Cash-on-Cash Return Calculator
Measure the yearly cash return on the money you put into a rental property, with a full income and expense breakdown, cap rate, and the rent needed to reach your target return.
Currency only changes how amounts are displayed. No amounts are converted.
Inputs
Default values are examples. Replace them with your own figures.
Results
Your cash-on-cash return
0
Yearly income and expense breakdown
Compare Down Payments
Same property and rent with different amounts of cash put down.
| Down payment | Cash invested | Monthly mortgage | Monthly cash flow | Cash-on-cash |
|---|
Compare Rent Levels
How the return changes if monthly rent comes in higher or lower.
| Monthly rent | Annual cash flow | Cash-on-cash | Cap rate |
|---|
Compare Interest Rates
Same property and down payment with the mortgage rate shifted.
| Interest rate | Monthly mortgage | Annual cash flow | Cash-on-cash |
|---|
Quotelyo Calculators
Explore more free calculators
Loans, savings, investing, retirement, real estate and business calculators. Free to use, no signup required.
No calculators match that search. Try a different word or category.
What Is Cash-on-Cash Return?
Cash-on-cash return measures the annual pre-tax cash flow generated by a real estate investment compared with the amount of cash you personally invested. A Cash-on-Cash Return Calculator helps property investors estimate this percentage and understand how efficiently their invested money is generating ongoing cash income.
This metric is commonly used to evaluate rental properties, investment real estate, and other income-producing property opportunities. It focuses on the actual cash contributed by the investor rather than the property's total market value or the full amount of a mortgage-financed purchase.
By entering your annual rental income, operating expenses, mortgage payments, down payment, closing costs, and other upfront expenses, you can estimate your annual cash flow and calculate the cash-on-cash return. This makes it easier to compare investment scenarios, test different financing structures, and evaluate the effects of changes in rent or expenses.
For example, suppose you invest $80,000 of your own cash into a rental property. After accounting for rental income, operating costs, mortgage payments, and any included recurring reserves, the property generates $6,400 in annual pre-tax cash flow. Your cash-on-cash return is 8%.
Important: Cash-on-cash return is not the same as total investment return. It typically measures annual pre-tax cash flow against the cash invested, excluding property appreciation, loan principal paydown, depreciation benefits, and potential tax effects. Those items may be important to your overall investment analysis, but they are evaluated separately.
How to Use the Cash-on-Cash Return Calculator
To calculate a meaningful estimate, gather the purchase details, financing terms, initial cash expenses, and expected annual operating figures for the property. Use realistic figures rather than relying only on advertised rental income or optimistic expense assumptions.
Enter the property purchase price
Start with the property's agreed or estimated purchase price. This helps establish the overall transaction size, but the full purchase price is not the denominator in a conventional cash-on-cash return calculation when the property is financed.
Enter your initial cash investment
Include the down payment, eligible closing costs, loan fees, initial renovation expenses, and other out-of-pocket acquisition costs. Follow the calculator's input definitions to avoid including the same cost more than once.
Estimate rental income
Enter expected rent and other recurring property income. Account for realistic vacancy and collection losses so that your projected income does not assume every unit is occupied and every payment is collected throughout the year.
Add operating expenses
Include property taxes, insurance, maintenance, management fees, owner-paid utilities, association fees, and other relevant operating expenses. Use annual figures consistently, and account for reserves separately if your calculator provides a distinct field for them.
Enter mortgage payments and financing costs
Use the expected annual debt service required by the loan, including scheduled principal and interest payments. Check whether the calculator asks for annual debt service or a monthly mortgage payment before entering your figures.
Review the return and cash flow
Examine the estimated annual cash flow, total cash invested, and resulting cash-on-cash percentage. Test different rent, expense, financing, and investment assumptions to understand how sensitive the result is to changes in the property's performance.
Tip: Use annual income and expense amounts throughout the calculation unless the tool explicitly requests monthly values. Mixing monthly and annual figures can produce an incorrect cash flow and return percentage.
What Counts as Total Cash Invested?
Total cash invested is the amount of money you contribute to acquire, prepare, and place the property into service. In a financed rental purchase, it generally includes your down payment and other eligible out-of-pocket acquisition or improvement costs, rather than the full property price.
Down payment
The down payment is typically the largest component of the initial cash investment when you finance a property with a mortgage.
- Cash contributed toward the purchase price
- Funds paid directly at closing
- Your contribution after accounting for the borrowed amount
Closing costs and loan fees
These are the eligible expenses you pay to complete the transaction and arrange financing.
- Legal and settlement costs
- Eligible loan origination or lender fees
- Appraisal and inspection costs
- Other applicable acquisition charges
Renovations and initial repairs
Properties may require cash spending before they can be rented or operated as planned.
- Initial repairs and improvements
- Necessary renovation work
- Eligible installation or preparation costs
- Initial furnishing costs for furnished rentals
Upfront reserves and other cash costs
Some investors set aside additional cash for property needs at or shortly after closing.
- Initial operating reserves
- Prepaid items and deposits, as appropriate
- Other documented cash contributions
- Additional eligible out-of-pocket expenses
Should you include the full property price?
Not as the denominator of a conventional cash-on-cash return calculation when the purchase is financed. The metric measures annual cash flow relative to the cash you invested. If you buy a property entirely with cash, however, the purchase price and acquisition costs may make up most of the total cash investment.
Should borrowed money count as cash invested?
Generally, borrowed funds used to finance the purchase are not counted as your personal cash contribution. Instead, the effect of financing appears in the cash flow through the property's debt service. If you borrow additional money separately to fund repairs or the acquisition, follow a consistent definition of invested equity and account for the related repayment obligation in your financial analysis.
How should you treat future capital expenditures?
Major future improvements and replacement costs can materially affect a property's cash generation. Some cash-on-cash analyses deduct an annual capital expenditure reserve before calculating cash flow, while others report operating cash flow before that reserve. Both approaches can be useful if they are clearly defined, but comparisons should use the same methodology.
How to Estimate Annual Rental Cash Flow
Annual cash flow is the numerator in the cash-on-cash return formula. For a financed rental property, it is generally calculated from collected income after operating expenses and scheduled debt service, before income taxes. If the analysis includes capital reserves or other recurring cash costs, those items should also be deducted consistently.
Rental income
Estimate the rental income you expect to collect over the year rather than relying only on the maximum rent the property might generate.
- Monthly residential or commercial rent
- Other recurring rental income
- Parking or storage income, where applicable
- Other eligible property-related receipts
Vacancy and credit losses
Allow for the possibility of vacant units, delayed occupancy, missed payments, and unpaid rent. The appropriate assumption depends on the market, property type, tenant profile, and historical performance.
Operating expenses
Operating expenses are the recurring costs of running the property before mortgage debt service.
- Property management
- Property taxes and insurance
- Repairs and routine maintenance
- Owner-paid utilities and association fees
Debt service and reserves
Debt service covers scheduled loan payments, including principal and interest. Depending on the model, recurring capital expenditure or replacement reserves may also be deducted to estimate cash that remains available to the investor.
Net operating income versus cash flow
Net operating income (NOI) is the property's income after vacancy and operating expenses, before mortgage principal and interest. It is a useful measure of property-level operating performance because it separates operating results from how the acquisition is financed.
Cash flow after debt service starts with NOI and subtracts the property's scheduled debt payments. If your cash flow measure also includes capital reserves or other recurring cash expenses, subtract them before dividing by total cash invested. Keep the methodology consistent when comparing potential investments.
Key distinction: Property taxes, insurance, management, and routine maintenance are generally included as operating expenses in NOI. Mortgage principal and interest are generally excluded from NOI but affect cash flow after financing. Income taxes are typically excluded from a standard pre-tax cash-on-cash return calculation.
Cash-on-Cash Return Calculation Example
Suppose you purchase a rental property for $300,000 using a mortgage. Your annual income and expenses are estimated below. The example is hypothetical and is intended to demonstrate the calculation, not represent a typical or guaranteed investment result.
| Item | Amount | Calculation notes |
|---|---|---|
| Property purchase price | $300,000 | Used to establish the transaction size. |
| Down payment | $60,000 | Cash contributed toward the purchase. |
| Closing and loan costs | $8,000 | Eligible acquisition and financing costs paid in cash. |
| Initial improvements | $12,000 | Cash used to prepare the property. |
| Total cash invested | $80,000 | $60,000 + $8,000 + $12,000. |
| Collected rental and other income | $35,400 | Annual income after an assumed vacancy allowance. |
| Operating expenses | $14,400 | Annual property operating costs. |
| Annual debt service | $14,000 | Scheduled mortgage principal and interest payments. |
| Annual reserve allowance | $2,000 | Optional recurring reserve included in this example. |
| Annual cash flow after reserves | $5,000 | $35,400 − $14,400 − $14,000 − $2,000. |
Step 1: Calculate total cash invested
Add the down payment, closing and loan costs, and initial improvements:
Total cash invested = $60,000 + $8,000 + $12,000 = $80,000
Step 2: Calculate annual cash flow
First, subtract operating expenses from collected income. This produces an illustrative NOI of $21,000. Next, subtract the $14,000 in annual debt service to obtain $7,000 before the additional reserve allowance. Deducting $2,000 in reserves leaves $5,000 in annual cash flow after reserves.
Step 3: Calculate cash-on-cash return
Divide the selected annual cash flow measure by the total cash invested and multiply by 100:
Using the $7,000 annual cash flow before the separate reserve allowance would produce a cash-on-cash return of 8.75%. The difference illustrates why it is important to state whether recurring capital reserves are included in the cash flow figure.
Remember: The example uses cash flow after a specific reserve allowance to calculate the 6.25% result. Your calculator may use a different convention, so read its field descriptions and use the same definition when comparing properties.
How to Interpret Your Cash-on-Cash Return
The cash-on-cash percentage helps you evaluate how much annual pre-tax cash flow a property generates relative to the cash you contribute. It does not have a universal ideal value. The result needs to be interpreted alongside the property's risk, local market conditions, financing structure, maintenance needs, and alternative investment opportunities.
Cash-generating property
A positive cash-on-cash return means the selected annual cash flow measure is positive relative to the cash invested. Check whether the estimate includes realistic vacancy, operating costs, debt service, and recurring reserves.
Cash shortfall
A negative result means the property requires more cash than it generates under the model's assumptions. The owner may need to contribute money to cover operating shortfalls or financing obligations.
Break-even cash flow
A zero result indicates that the annual cash flow measure is zero. The property may cover its included cash expenses but is not producing a positive annual cash return under that calculation.
What is a good cash-on-cash return for a rental property?
There is no single percentage that makes every property a good investment. A higher projected return can reflect higher operating risk, greater leverage, uncertain rental demand, larger maintenance needs, or more intensive management. A lower projected return may occur in markets where investors expect other potential benefits, but appreciation and other future gains are not guaranteed.
Rather than choosing a property based only on a headline percentage, consider its risk-adjusted cash flow, financing conditions, location, tenant demand, long-term maintenance requirements, and how it compares with realistic alternatives.
Can a property have a positive cash-on-cash return but still lose money?
Yes. A projected return can differ from actual performance if rent is lower than expected, a tenant stops paying, repairs cost more than budgeted, insurance or property taxes increase, or financing terms change. If the model excludes certain expenses or relies on optimistic assumptions, the displayed result may overstate the cash that is actually available.
Should you compare cash-on-cash returns across different properties?
Yes, provided the calculations use consistent assumptions. Compare similar time periods, operating expense treatments, vacancy allowances, financing costs, reserve assumptions, and definitions of cash invested. Otherwise, two percentages may not measure the same thing.
Cash-on-Cash Return vs. Other Real Estate Metrics
Cash-on-cash return is most useful when viewed alongside other property investment measures. Each metric answers a different question, and no single percentage fully describes a property's financial performance.
| Metric | What it measures | Key distinction |
|---|---|---|
| Cash-on-cash return | Annual pre-tax cash flow relative to total cash invested. | Focuses on the cash return generated by the investor's contributed funds. |
| Cap rate | Net operating income relative to the property's value or purchase price. | Usually excludes mortgage financing and debt service. |
| Gross rental yield | Gross annual rental income relative to property value or price. | Typically does not deduct operating expenses or financing costs. |
| Net operating income | Property income after vacancy and operating expenses. | Measures operations before debt service and income taxes. |
| Return on investment (ROI) | A return measure based on a defined investment and measurement period. | May include cash flow, appreciation, sale proceeds, or other gains depending on the formula. |
| Internal rate of return (IRR) | The discount rate that sets the net present value of modeled cash flows to zero. | Accounts for the timing of multiple cash flows over the modeled investment period. |
Cash-on-cash return vs. cap rate
The capitalization rate, or cap rate, is generally calculated by dividing annual NOI by the property's value or purchase price. It helps assess operating performance without directly factoring in the financing arrangement.
Cash-on-cash return uses annual cash flow after debt service and divides it by the investor's total cash contribution. Because financing affects both debt payments and the amount of cash invested, the cash-on-cash return can change significantly when the down payment, loan terms, or interest rate changes.
Cash-on-cash return vs. gross rental yield
Gross rental yield compares annual gross rent with the property's price or value. It is a simple screening metric, but it does not account for property taxes, insurance, repairs, management, vacancy, or mortgage payments. Cash-on-cash return uses a cash flow measure that accounts for relevant expenses and financing under the selected methodology.
Cash-on-cash return vs. total ROI
Cash-on-cash return focuses on annual cash flow relative to the cash invested. Total ROI can include additional gains or losses, such as property appreciation, principal repayment, sale costs, and taxes, depending on the formula used. A property may have modest annual cash flow but still produce a different overall outcome when its full holding period is evaluated. Future appreciation and sale proceeds remain uncertain.
How Mortgage Financing Affects Cash-on-Cash Return
Mortgage financing changes the amount of cash you contribute, the debt service you must pay, and the amount of annual cash flow that remains for you. This is why the cash-on-cash return for the same property can differ under different financing arrangements.
Smaller down payment
A smaller down payment generally reduces the initial cash contribution but increases the amount borrowed. Depending on the loan terms, higher debt service may reduce annual cash flow. A higher calculated percentage is not guaranteed, and a larger outstanding debt creates additional repayment risk.
Larger down payment
A larger down payment usually means less borrowing and lower scheduled debt payments. However, it also increases the amount of cash invested. The resulting cash-on-cash return may rise or fall depending on how much cash flow improves relative to the larger investment.
Interest rate and loan term
Interest rates, amortization periods, and loan structures affect scheduled payments and the cash remaining after debt service. Higher rates may weaken projected cash flow, while a longer repayment period may reduce periodic payments but affect total interest costs and principal repayment.
Fixed vs. variable financing
A fixed-rate loan can make scheduled payments more predictable during its fixed-rate period. Variable-rate financing may create payment uncertainty if rates change. Understand the loan terms and test scenarios that reflect plausible changes in financing costs.
Important: Leverage can increase the potential return on your cash contribution, but it can also increase financial risk. A lower initial investment does not automatically make a property safer or more profitable.
Why a higher loan amount does not always improve returns
Increasing the amount borrowed reduces the cash you need to contribute at purchase, but the additional debt must be serviced. If rental income cannot comfortably cover operating expenses and loan payments, the property may require regular cash contributions from you.
Evaluate both the projected cash-on-cash return and the property's ability to meet debt obligations under less favorable scenarios. Consider higher vacancies, unexpected repairs, refinancing costs, and changes in interest rates where relevant.
How to Improve Cash-on-Cash Return
Improving cash-on-cash return generally means increasing annual cash flow, reducing avoidable expenses, or deploying less cash for the same sustainable cash flow. Changes should be evaluated carefully because some strategies can increase financial or operating risk.
Improve rental income responsibly
Review comparable rentals, tenant demand, and the condition of the property when evaluating rent levels. Reducing unnecessary vacancy or improving tenant retention may strengthen collections, but rent assumptions should reflect actual market conditions.
Manage operating expenses
Review maintenance contracts, insurance coverage, utility costs, management fees, and recurring service expenses. Focus on cost efficiency rather than cutting essential maintenance or insurance protection.
Reduce vacancy and collection losses
Thoughtful tenant screening, prompt repairs, clear lease administration, and good property management may help minimize avoidable vacancy and missed payments. Actual results still depend on market conditions and tenant circumstances.
Review financing terms
Compare the overall borrowing cost, repayment schedule, fees, and risks associated with available financing options. Refinancing or changing the loan structure may affect cash flow, but costs and eligibility must be considered.
Evaluate the purchase price
A lower purchase price may improve investment economics if expected rents and operating costs remain similar. However, investigate why a property is priced below alternatives and avoid assuming that a low price automatically indicates value.
Budget for recurring costs
Include realistic allowances for maintenance and major replacements when evaluating available cash flow. Accounting for recurring needs can reduce the risk of relying on a return figure that overlooks expected property costs.
Can you improve cash-on-cash return by investing less cash?
Mathematically, a smaller denominator can increase the ratio if annual cash flow stays unchanged. In practice, contributing less cash often means borrowing more, which can increase debt service and make cash flow less stable. Some upfront costs also cannot be reduced without changing the property's condition or transaction terms.
Evaluate the cash flow and risks under each financing scenario instead of targeting the highest percentage in isolation.
Focus on sustainable cash flow, not just the percentage
A projected cash-on-cash return is only as reliable as the income, expenses, financing, and cash investment figures behind it. Conservative assumptions and adequate reserves help you evaluate whether a property can support its obligations when actual results differ from your expectations.
Common Cash-on-Cash Return Calculation Mistakes
Small inconsistencies in your inputs can materially change the calculated return. Review the common errors below before using the percentage to compare properties or make an investment decision.
Using property price as cash invested
For a financed purchase, the total price is not the same as the investor's cash contribution. Include the actual cash investment, such as the down payment and eligible upfront costs, when using the conventional formula.
Ignoring mortgage payments
Rental income remaining after operating expenses is NOI, not necessarily cash available to the investor. Subtract the relevant debt service to calculate cash flow after financing.
Overestimating rental income
Using full occupancy and maximum advertised rents can overstate income. Allow for realistic vacancy, rent collection losses, concessions, and changes in tenant demand.
Leaving out operating expenses
Property taxes, insurance, maintenance, management, utilities, association fees, and other costs can substantially affect cash flow. Include expenses that apply to the property under the chosen method.
Double-counting initial costs
If renovation costs are included in total cash invested and also deducted from annual cash flow, the same initial expenditure may be counted twice in the wrong period. Separate acquisition costs from recurring operating expenses.
Comparing inconsistent definitions
One calculation may include capital reserves while another excludes them. Make sure the income, expense, cash investment, and time-period assumptions are consistent before comparing return percentages.
Why You Should Test Different Investment Scenarios
A cash-on-cash calculation often relies on projections of future rent, occupancy, expenses, and debt payments. These values can change after you purchase a property. Scenario analysis helps you understand whether the projected return remains manageable when the assumptions become less favorable.
Higher vacancy
Test what happens if the property remains vacant longer than expected or tenants do not pay on schedule. Lower collected income can reduce annual cash flow and weaken the cash-on-cash return.
Higher maintenance costs
Estimate the effect of more frequent repairs, replacement work, insurance increases, or other unexpected expenses. A return that depends on unrealistically low maintenance costs may not be sustainable.
Lower rental income
Model a scenario with lower rent or slower rent growth. This helps you determine whether the property can still cover recurring costs and scheduled debt service when market conditions are weaker.
Changed financing costs
For variable-rate debt or future refinancing, test the effect of higher interest rates, new fees, or changed repayment terms. These factors can alter both monthly obligations and annual cash flow.
What is a reasonable safety margin?
There is no single safety margin that fits every investment property. The amount of cash reserves you may need depends on property age, maintenance condition, insurance requirements, tenant turnover, financing terms, and the reliability of rental income. Assess the property's operating risks and your capacity to cover shortfalls instead of relying on an arbitrary return threshold.
Planning reminder: A projected return should not be treated as guaranteed income. Keep enough liquidity for expected property costs and plausible disruptions, and review whether your investment assumptions remain appropriate as conditions change.
Cash-on-Cash Return Calculator FAQs
Find answers to common questions about calculating cash-on-cash return, estimating rental cash flow, accounting for acquisition costs, and evaluating real estate investments.
What is a cash-on-cash return calculator?
A cash-on-cash return calculator estimates the annual pre-tax cash flow generated by a property relative to the total cash invested by the investor. It commonly uses rental income, operating expenses, mortgage payments, a down payment, and other upfront investment costs to calculate a percentage that helps assess cash-generating performance.
How do you calculate cash-on-cash return?
Divide annual pre-tax cash flow by total cash invested and multiply the result by 100. Annual cash flow is generally calculated after operating expenses and debt service. If recurring capital reserves or other cash costs are included, deduct them consistently before calculating the return.
Formula: Cash-on-cash return = Annual pre-tax cash flow ÷ Total cash invested × 100.
What is considered a good cash-on-cash return?
There is no universally good cash-on-cash return percentage for every real estate investment. A suitable target depends on the property's risks, location, financing, expected expenses, management requirements, and alternative opportunities. Compare consistent estimates and review the assumptions behind the return rather than relying only on a headline percentage.
Does cash-on-cash return include mortgage payments?
In a conventional rental property calculation, annual cash flow is measured after scheduled mortgage debt service, including principal and interest payments. Mortgage payments are generally excluded from net operating income, which measures operating performance before financing, but they affect the cash flow used to calculate cash-on-cash return.
What counts as total cash invested?
Total cash invested generally includes the down payment and eligible out-of-pocket costs, such as closing costs, loan fees, initial renovation work, and certain upfront expenses or reserves. For a financed purchase, it generally does not include the entire property price because part of that price is paid with borrowed funds.
Should I include closing costs in cash-on-cash return?
Generally, yes, when you are calculating the total cash invested in a property. Eligible closing costs and upfront acquisition or financing fees represent money contributed by the investor. Keep these initial costs separate from recurring annual operating expenses to avoid counting them inconsistently.
Should capital expenditure reserves be included?
Capital expenditure reserves are sometimes deducted when calculating cash flow available to the investor, while some analyses report cash flow before a separate reserve allowance. Either approach can be useful if clearly defined. Use the same treatment across properties and review whether major future replacements could affect the investment's actual cash requirements.
Is cash-on-cash return the same as cap rate?
No. Cap rate generally divides annual net operating income by the property's value or purchase price and excludes mortgage financing. Cash-on-cash return divides annual pre-tax cash flow after debt service by the cash invested. The two metrics answer different questions and can produce different percentages for the same property.
Is cash-on-cash return the same as ROI?
No. Cash-on-cash return usually measures annual pre-tax cash flow relative to cash invested. ROI can measure a broader gain or loss over a defined period and may include appreciation, sale proceeds, principal repayment, fees, and taxes depending on the method. Always check the formula and measurement period before comparing them.
Can cash-on-cash return be negative?
Yes. A negative return occurs when the annual cash flow used in the calculation is negative while the investor has positive cash invested. This means the property requires more cash than it generates under the stated assumptions. Review income, operating expenses, debt service, and reserves to identify the main causes of the shortfall.
Can cash-on-cash return be higher than 100%?
Mathematically, yes. A result above 100% means the annual cash flow used in the calculation exceeds the total cash invested. Such a result warrants careful verification of the inputs and assumptions, especially the cash flow, invested amount, and timeframe. It is not a guarantee of future performance.
Does cash-on-cash return include property appreciation?
Usually not. Conventional cash-on-cash return focuses on annual cash flow rather than changes in the property's market value. Appreciation or depreciation can affect the overall investment outcome, but those effects are generally evaluated separately through a broader return analysis.
Does cash-on-cash return include income taxes?
It is generally presented as a pre-tax cash return. Income taxes, depreciation deductions, interest deductibility, and other tax effects can alter the investor's after-tax outcome. The actual tax treatment depends on personal circumstances, property structure, and applicable tax law.
How does leverage affect cash-on-cash return?
Leverage affects both the amount of cash invested and the debt service deducted from property income. A smaller down payment can increase the percentage by reducing the amount of cash contributed, but it also creates a larger loan balance and potentially higher payments. The result depends on financing terms and the property's operating performance.
Can cash-on-cash return help compare rental properties?
Yes. It can help compare the expected cash flow generated by different rental property investments relative to the cash required. Use consistent methods for vacancy, expenses, mortgage payments, capital reserves, and initial costs. Consider market risk, property condition, liquidity, and financing alongside the result.
How often should I recalculate cash-on-cash return?
Recalculate the metric when meaningful inputs change and review actual performance against projections periodically. Rent adjustments, vacancies, repairs, property taxes, insurance, refinancing, and other changes can affect annual cash flow. Using updated figures helps you understand whether the property is performing as expected.
Is cash-on-cash return a guarantee of investment performance?
No. It is a ratio based on historical figures or assumptions about future income, expenses, financing, and cash invested. Actual results may differ because of vacancies, unexpected repairs, changing market conditions, rising costs, or other events. Treat projected returns as estimates rather than guaranteed income.
Final takeaway: The Cash-on-Cash Return Calculator helps you estimate how efficiently a real estate investment turns your contributed cash into annual pre-tax cash flow. Include realistic rental income, operating costs, mortgage payments, upfront investment costs, and any reserve allowance used by your calculation. Compare properties with consistent assumptions, and consider risk, financing, and long-term ownership costs alongside the final percentage.