Real estate math,
made simple.

Free calculators for anyone buying property, from first mortgage to fourth rental. Type in a deal, see the math, judge the number.

Cap Rate Calculator
live, try your numbers
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Cap rateNOI ÷ Price

6.2%

4.5%above market average7.5%
Gross scheduled rent$45,600
Vacancy + expenses−$19,380
Net operating income$26,220
Full calculator with benchmarks →

Spend less time guessing, more time finding deals

Cap Rate = NOI ÷ Price

Formulas made for humans

Every result prints the formula and the intermediate numbers, so you can defend the answer to a lender, a partner, or yourself.

Multifamily 4.5–6.0%You: 6.2% ✓

Benchmarks built in

A number means nothing in a vacuum. Results come with typical ranges by property type, so you know if a deal is strong or priced for perfection.

$0no signupno paywall

Free means free

Nothing gated behind an email address. Run one deal or a hundred. The calculators are supported by ads, not your inbox.

Underwrite any deal in four steps

Start free →

Price and rent

Start with the two numbers every deal has: what it costs and what it rents for.

~1 minute

Operating expenses

Taxes, insurance, maintenance, vacancy. We suggest typical ranges if you don’t know yet.

~2 minutes

Financing

Add your loan terms to see cash flow, DSCR, and whether leverage helps or hurts.

~1 minute

The verdict

Cap rate, cash-on-cash, and benchmarks side by side, with every formula shown.

instant

12

free calculators, one per underwriting question

15

plain-English guides to the metrics

$0

cost, forever. No signup, no paywall