Owner Tool
Calculate a basic cap rate and understand how buyers use NOI in apartment valuations.
By Don Favia · Updated July 3, 2026
Direct Answer
Cap rate is net operating income divided by value or price. This calculator gives a basic planning estimate. It does not replace a valuation because the right cap rate depends on location, rent control, condition, buyer demand, financing, and current market context.
Estimate
5.56%
Basic cap-rate estimate. Actual pricing depends on market, condition, rent control, and buyer demand.
Enter annual net operating income and estimated value or purchase price. The output is a simple cap-rate estimate for planning and comparison.