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Rental Property ROI Calculator

Analyze rental property cash flow, cap rate, cash-on-cash return, gross yield, and mortgage payment before you buy your next income property.

Investment assumptions
Outputs include monthly cash flow, annual cash flow, cap rate, cash-on-cash return, gross yield, mortgage payment, and a full monthly expense breakdown.
Performance summary
Green = healthy cash flow, amber = tight deal, red = negative.
Perfect for rental property underwriting.
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Frequently asked questions

How do you calculate rental property cash flow?

Monthly cash flow equals effective rent after vacancy minus mortgage, taxes, insurance, maintenance, HOA dues, and property management. Positive cash flow means the property pays you each month.

What is a good cap rate for a rental property?

That depends on your market and risk tolerance, but many investors compare similar local deals and look for cap rates that justify neighborhood risk, renovation needs, and financing costs.

What does cash-on-cash return mean in real estate?

Cash-on-cash return measures annual pre-tax cash flow divided by the cash you invested up front. It is useful when comparing financed rental properties with different down payments.

Should I enter maintenance as a percent or a dollar amount?

Use the percentage method if you want a quick rule of thumb based on purchase price, or switch to dollar mode if you already know your annual repair and maintenance budget.

Does this rental ROI calculator include vacancy and management fees?

Yes. It subtracts vacancy loss and property management from rental income so you can see a more realistic monthly cash flow estimate.

Need investor-ready forms after the numbers work?

Use our template store for leases, notices, scope sheets, and property operations documents once you find a deal worth buying.