Rental ROI Calculator: Cash-on-Cash Return

How hard is your rental property cash working for you? Real estate investors often answer with cash-on-cash return. It compares the cash a property pays you each year with the cash you put in.

The Rental ROI Calculator finds that number from three inputs. It also adds yearly loan principal paydown to show a broader total return. It suits new landlords, house hackers, and investors comparing deals before they buy.

Table of Contents

• What the Calculator Does
• How to Use It, Step by Step
• The Rental ROI Formulas
• Worked Example
• How to Read the Results
• Getting Your Inputs Right
• Cash-on-Cash Return vs Rental Yield
• Limitations and Assumptions
• FAQs About the Rental ROI Calculator

What the Calculator Does

The tool shows sample results as soon as the page loads. Change any field, then press the button to update.

• Cash-on-Cash Return: yearly cash flow as a percent of the cash you invested.
• One-Year Total Return (Cash Flow + Equity): yearly cash flow plus equity growth, as a percent of cash invested.
• Annual Net Cash Flow: your monthly cash flow times 12.
• Negative cash flow allowed: you can enter a monthly loss down to -$1,000 to see a negative return.

How to Use It, Step by Step

1. Enter all the cash you paid to get the property running in Total Out-of-Pocket Cash Invested ($).
2. Enter rent minus all monthly costs, including the mortgage, in Monthly Net Cash Flow ($).
3. Enter the yearly principal your loan payments retire in Annual Equity Growth / Principal Paydown ($).
4. Press Calculate Return Metrics to refresh the three cards.

Cash invested usually includes the down payment, closing costs, and upfront repairs. Your loan statement or amortization schedule shows yearly principal paid.

The Rental ROI Formulas

Both returns divide a yearly gain by the same cash invested. The only difference is whether equity growth counts.

• Annual net cash flow = monthly net cash flow × 12.
• Cash-on-cash return = annual net cash flow ÷ cash invested × 100.
• Total yearly gain = annual net cash flow + annual equity growth.
• One-year total return = total yearly gain ÷ cash invested × 100.

Both percentages are rounded to two decimal places. Dollar amounts use US format with commas, such as $4,560.00.

Worked Example

Priya buys a duplex unit with $52,000 for the down payment, closing costs, and fresh paint. After the mortgage and all bills, the unit nets $380 a month. Her loan also retires $2,900 of principal this year.

Now say a repair bill pushes her cash flow to a $150 monthly loss. Annual Net Cash Flow reads -$1,800.00, and cash-on-cash drops to -3.46%. The one-year total return stays positive at 2.12%, thanks to the $2,900 of principal paydown.

How to Read the Results

Cash-on-Cash Return is the yield you can actually spend. It helps you compare a rental with other uses for the same cash.

One-Year Total Return (Cash Flow + Equity) adds equity you build through loan paydown or any value gain you enter. That equity is real, but you only reach it by selling or refinancing.

Annual Net Cash Flow is the yearly dollar amount behind the first percentage. A negative value means you are paying money in to hold the property.

Getting Your Inputs Right

Most errors come from cash flow that leaves out costs. Subtract the mortgage, property tax, insurance, repairs, vacancy, and management fees. Set aside a reserve for big items like roofs and water heaters.

The field label mentions equity growth, so you may add expected appreciation too. Keep that number modest, since price gains are never certain. The property appreciation calculator can help you test an example rate.

For a wider view of the deal, pair this tool with these others. Each one looks at the property from a different angle.

• The rental yield calculator measures income against the full purchase price.
• The DSCR calculator checks whether rent income covers the loan payments.
• The payback period calculator estimates how long until your cash comes back.
• The general return on investment calculator handles any gain over a set period.

See more tools in the AskWebTools finance hub. It groups loan, savings, and property calculators in one place.

Cash-on-Cash Return vs Rental Yield

Rental yield divides yearly rent by the full property price. It ignores how you paid, so it works well for comparing buildings. Cash-on-cash return divides cash flow by only your own cash, so a loan changes it.

Borrowing can raise cash-on-cash return because you put in less money. It also adds a monthly payment that can turn cash flow negative. Check both numbers before you commit to a deal.

Limitations and Assumptions

• The tool covers one year only. It does not project returns over many years.
• The total return is a simple one-year figure. It is not compounded over a holding period.
• It does not count taxes, depreciation, or selling costs.
• Results change only when you press the button, not as you type.
• Cash invested must be at least $5,000. A blank or lower entry shows a red message, and every card reads N/A.
• Monthly cash flow must be -$1,000 or higher, and equity growth cannot be negative. Enter 0 in either field if it does not apply.
• Returns above 1,000% a year, up or down, are blocked as unrealistic. That usually points to a typo in cash invested.

FAQs About the Rental ROI Calculator

This calculator gives planning estimates only and is not financial advice. Reviewed for general accuracy by Prof. Dr. Khalil Mudassar, PhD.