Investment Property Calculator

Estimate the returns on a rental property — net operating income, cap rate, monthly cash flow, cash-on-cash return, and gross rent multiplier — from the purchase price, financing, and operating numbers.

Purchase price

Down payment

= $100,000 down · $300,000 financedInterest rate (APR)

Loan term

years

Gross monthly rent

Vacancy

Monthly operating expenses

taxes, insurance, maintenance, management — not the mortgageClosing & rehab costs

Net operating income (NOI)$25,680

Cap rate6.42%

Gross rent multiplier (GRM) — price ÷ gross monthly rent125.00

Monthly cash flow$144.09

Annual cash flow$1,729

Total cash invested$112,000

Cash-on-cash return1.54%

Estimates only. NOI excludes financing; cap rate and cash-on-cash depend on your actual rents, expenses, and financing. Not investment advice.

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