Free rental property calculator

Free Rental Property Cash Flow & ROI Calculator

Estimate rental property cash flow, ROI, rental yield, cap rate, and mortgage costs before you buy. Start with a benchmark, then adjust the numbers to match your property.

Your assumptions

Property inputs

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Adjust any figure. Your yield, cap rate, and cash flow update immediately.

Advanced underwriting assumptions

Add vacancy, management, reserves and acquisition costs for a more conservative estimate.

Investment snapshot

Your estimated returns

Updates live

Gross rental yield

0.00%

Annual rent ÷ purchase price

Net rental yield

0.00%

After tax, insurance & HOA

Cap rate

0.00%

Net operating income ÷ price

Estimated mortgage payment

$0

Monthly principal and interest

Net operating income

$0

Annual income before debt service

Cash-on-cash return

0.00%

Annual cash flow ÷ cash invested

DSCR

0.00×

NOI ÷ annual debt service

Break-even occupancy

0.00%

Occupancy needed to cover costs

Total cash invested

$0

Down payment, closing and repairs

Monthly net cash flow

+$0

Positive cash flow

After vacancy, operating costs, reserves and mortgage debt service.

Annual cash flow$0
Annual operating expenses$0

Planning estimate only. Verify actual taxes, insurance, financing, rents, vacancy and property condition before making an investment decision.

Rental investing fundamentals

Use the calculator as an underwriting starting point

Rental yield is a screening metric, not a promise of return. Start with realistic rent, then add property taxes, insurance, maintenance, vacancy, management, and financing. The result becomes more useful when you test a range instead of one optimistic assumption.

Read the rental yield vs. cap rate guide, the cash-flow walkthrough, and the property-tax guide to build a more conservative estimate.

Explore local benchmarks for Austin, Houston, Dallas, Nashville, and Indianapolis.