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Rental Property Investment Calculator

Cash flow, cap rate and cash-on-cash return together — the numbers that actually decide whether a rental pencils out.

Property & financing

Rental income & expenses

Monthly cash flow

-$363

Cap rate

4.60%

Cash-on-cash return

-3.89%

NOI (annual)$22,992
Mortgage payment$2,279
Total cash invested$112,000

Monthly breakdown

Frequently asked questions

What's a 'good' cap rate?+

It varies significantly by market and property type — what's considered attractive in a lower-priced secondary market may look unremarkable in a major city with high land values. Compare cap rates against similar properties in the same specific market rather than a single national benchmark.

Why does NOI exclude the mortgage payment?+

NOI (Net Operating Income) is a property-level metric meant to be comparable regardless of how a specific buyer finances the purchase. Cash flow and cash-on-cash return, which do include the mortgage payment, tell you what's actually left in your pocket for your specific financing.

Is negative cash flow always a bad sign?+

Not necessarily — some investors accept negative or breakeven cash flow in exchange for expected appreciation or equity paydown over time. It does mean you'd need to cover the shortfall from other income each month, which is worth planning for explicitly rather than discovering after closing.