NEW NOI Calculator (Net Operating Income)

Free calculators to analyze any rental property deal in seconds.

18 free, fast calculators for rental property investors and landlords. No sign-up, no downloads — just clear numbers for every deal.

18 free calculators
No sign-up needed
Instant results
Runs in your browser

Built for fast, honest deal analysis

Every page is instant

Each calculator loads as its own lightweight page. No app to install, no waiting on JavaScript frameworks.

Numbers you can trust

Standard formulas for cash flow, cap rate, cash-on-cash return, and more — with the math shown so you can verify every result.

Always free

Every tool is free to use, as often as you like. We run ads to keep it that way, never paywalls.