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Rental Property Calculator

Result

Annual NOI15600
Cap rate %6.24
↗ Finance

Rental Property Calculator — free online calculator.

Formula

Annual NOI = 12 × (monthly rent − monthly operating expenses); cap rate = NOI ÷ property value.
  • Rental Property Calculator calculates its result from Monthly rent, Monthly operating expenses, Property value. It uses the formula Annual NOI = 12 × (monthly rent − monthly operating expenses); cap rate = NOI ÷ property value.. Change any input to recalculate the result instantly.
  • The main inputs are Monthly rent, Monthly operating expenses, Property value. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Rental Property

Inputs
  • Monthly rent: 2000
  • Monthly operating expenses: 700
  • Property value: 250000

Using Monthly rent = 2000, Monthly operating expenses = 700, Property value = 250000, the calculated result is Annual NOI: 15600 | Cap rate %: 6.24.

Sample result: Calculating…

Frequently asked questions

What does the Rental Property calculate?

Rental Property Calculator — free online calculator.

Which values should I enter?

Enter Monthly rent, Monthly operating expenses, Property value using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Annual NOI = 12 × (monthly rent − monthly operating expenses); cap rate = NOI ÷ property value..

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026