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Cap Rate Calculator

Calculate the capitalization rate for a real estate investment. Enter the property value and net operating income to evaluate your investment return.

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Annual income minus operating expenses, before debt service

Enter the property value and net operating income, then click Calculate to see the cap rate.

How Cap Rate Works

Understanding Capitalization Rate

The capitalization rate, or cap rate, is a fundamental metric in real estate investing. It tells you the percentage return a property would generate based on its net operating income (NOI) and current market value, assuming an all-cash purchase. This calculator helps you determine the cap rate and see how different cap rates would change the implied property value.

The Cap Rate Formula

Cap rate is straightforward: divide the annual net operating income by the property value, then multiply by 100. NOI is the total rental income minus all operating expenses (property taxes, insurance, maintenance, management fees, vacancy allowance) but before mortgage payments and income taxes.

How to Interpret Cap Rate

A lower cap rate generally indicates a lower-risk, more expensive property in a desirable location. A higher cap rate suggests a higher return but potentially more risk. For example:

  • Class A urban property: 3–5% cap rate
  • Suburban residential: 5–7% cap rate
  • Value-add or secondary market: 7–10% cap rate

Valuing Property with Cap Rate

Cap rate also works in reverse to estimate property value. If you know the NOI and the market cap rate for similar properties, you can calculate the implied value: Property Value = NOI / (Cap Rate / 100). This is how commercial real estate appraisers often determine fair market value.

For instance, a property with $50,000 NOI in a market where similar properties trade at 6% cap rates would be valued at approximately $833,333.

Limitations

Cap rate ignores financing, capital expenditures, and appreciation. Use it alongside other metrics like cash-on-cash return, internal rate of return (IRR), and debt service coverage ratio for a complete investment analysis.

Frequently asked questions

A capitalization rate (cap rate) is the ratio of a property’s net operating income (NOI) to its current market value. It expresses the expected annual return on an investment property as a percentage, assuming the property is purchased with cash (no financing). Cap rate is one of the most widely used metrics for comparing real estate investments.

A good cap rate typically ranges from 5% to 10%, depending on the property type, location, and market conditions. Properties in prime urban areas may have cap rates of 3–5% due to lower risk and higher demand, while properties in secondary markets or higher-risk areas may have cap rates of 8–12%. A higher cap rate means more income relative to price but may also indicate higher risk.

Cap rate measures the unlevered return based solely on the property’s NOI and value, ignoring financing. ROI (return on investment) accounts for all costs including the mortgage, down payment, closing costs, and financing expenses. A property might have a 6% cap rate but a 12% ROI if purchased with leverage, since the investor only puts down a portion of the purchase price.

Cap rates are influenced by location (urban vs. suburban), property type (residential, commercial, industrial), market conditions (supply and demand), interest rates, tenant quality, lease terms, property condition, and local economic factors. Rising interest rates tend to push cap rates higher, while strong demand and low inventory compress them.

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