Cap rate calculator

Enter a property's net operating income and price to get its capitalization rate, and see the value a target cap rate would imply.

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Cap rate calculator

The starting figures come from the OCC's income-property example: a $9 million rental property with net operating income of $694,000. Replace them with your own.

Rent collected minus operating expenses, before loan payments
Optional check: the value this cap rate implies
Cap rate
7.71%
NOI ÷ price
Value at 7.5%
$9,253,333
NOI ÷ target cap rate

Formula: Cap rate = net operating income ÷ price. Value = net operating income ÷ cap rate.

Starting figures are hypothetical examples, except where a section names its source. Results are screening estimates, not appraisals, loan approvals or investment advice.

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How to calculate cap rate

A cap rate converts one year of net operating income into a value. Freddie Mac's appraisal guidance writes it as NOI ÷ cap rate = value, so the same three numbers can solve for any one of them.

  1. Start with gross rent

    In the OCC example, scheduled rent is $1,000,000 a year. Subtract 5% for vacancy and collection loss to get effective gross income of $950,000.

  2. Subtract operating expenses

    Taxes, insurance, repairs, management and replacement reserves total $256,000. That leaves net operating income of $694,000. Loan payments are not operating expenses.

  3. Divide by price

    $694,000 ÷ $9,000,000 = 0.0771, a cap rate of 7.71%.

  4. Or solve for value

    If similar sales trade at a 7.5% cap rate, $694,000 ÷ 0.075 = $9,253,333. A lower cap rate on the same income means a higher value.

Use the NOI calculator if you need to build net operating income from rent and expenses first.

How to read a cap rate

There is no single good cap rate. It reflects what buyers will pay for a stream of income given its risk and expected growth, so compare it only with similar properties.

Higher cap rate

More income per dollar of price. That can mean a better buy, or more risk: weaker location, older building, shorter leases or income the market expects to fall.

Lower cap rate

Less income per dollar of price. Buyers accept it when they see stable income or expect rents and value to grow. Freddie Mac notes that expected income change is built into the rate.

Check whose NOI it is

A seller's NOI may leave out reserves or management. Lenders and appraisers often deduct them. Rebuild NOI on the same basis before comparing cap rates.

Cap rate ignores financing

It measures the property, not your loan. To see the return on your own cash after the mortgage, use the cash-on-cash return calculator.

Frequently asked questions

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How we reviewed this

Sources reviewed October 16, 2026. The worked example uses the OCC handbook's published figures. Interpretation guidance is Zero Flux's, based on these sources.

Sources