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Calconomics

Cap Rate Calculator

Cap rate is the fastest way to screen a rental: net operating income divided by purchase price. Enter the numbers and get your cap rate and NOI instantly — then open the full analyzer for cash flow, cash-on-cash, and financing.

Deal

$
$
%
$
Cap rate
6.98%
NOI ÷ purchase price
Net operating income
$17,448
per year

The numbers

Effective gross income (after vacancy)$25,080
Free · part of the Rental Cash-Flow Analyzer toolkit
Open the full calculator →⤓ Keep this one (free)

How it's calculated

Our methodology & 2026 data sources →

Frequently asked questions

What is a good cap rate?
It varies by market, but many investors screen for 6%+ in typical markets. Use the full analyzer to judge financing and cash flow too.
Does cap rate include the mortgage?
No — cap rate uses NOI, which excludes mortgage payments, so it's comparable across deals regardless of financing.

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