MathIsimple

Cap Rate Calculator

Evaluate rental property returns. Estimate capitalization rate, net operating income (NOI), cash-on-cash return, and gross rent multiplier for commercial real estate analysis.

Free online calculator Net operating income Investment metrics

Property inputs

Enter annual cash flow details. All values are annual unless noted.

Real Estate Investment

Total potential rent collected if fully occupied.

Laundry, parking, storage, or ancillary income streams.

Typical ranges: 5–10% for stabilized properties.

Includes taxes, insurance, management, maintenance, utilities, and reserves.

Use asking price, purchase price, or appraised value to compute cap rate.

Annual mortgage payments (principal + interest). Set to 0 for all-cash deals.

Down payment + closing costs + rehab budget for cash-on-cash calculation.

How to use this cap rate calculator

Enter annual rental income, vacancy, and operating expenses. Provide purchase price or value to compute cap rate and compare investments quickly.