About Cap Rate Calculator: Net Operating Income
Calculate vacancy-adjusted NOI and capitalization rate from annual rent, operating costs, and property value.
Change the example inputs to match a scenario and review the methodology and limitations before using the result in a decision. Calculations run locally in your browser.
How the calculation works
NOI
Annual rent × (1 − vacancy rate) − annual operating expenses.
Cap rate
NOI ÷ property value × 100.
How to use this calculator
- 1Replace the example values with internally consistent inputs.
- 2Review all result cards and any not-applicable state.
- 3Compare multiple scenarios and verify important assumptions independently.
Understanding the result
Cap rate compares unlevered operating income with property value.
Mortgage payments must remain outside NOI.
Important limitations
- Outputs are planning estimates and do not include every provider, accounting, financing, tax, legal, or operational factor.
- Invalid divisions are shown as not applicable rather than NaN or Infinity.
- The result does not decide whether a property is a good investment.
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Frequently asked questions
What does the Cap Rate Calculator: Net Operating Income calculate?
Calculate vacancy-adjusted NOI and capitalization rate from annual rent, operating costs, and property value.
Are the results guaranteed?
No. Results are deterministic estimates from the values and assumptions you enter.
How should I use the result?
Use it for planning and scenario comparison, then verify current rates, costs, accounting definitions, and professional requirements that apply to your situation.
Is entered data uploaded?
No. The calculation runs in your browser.
Use with
These tools support a practical next or previous step in the same workflow.
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