Cap Rate Calculator
Understanding Capitalization Rate (Cap Rate) in Real Estate
Whether you are a seasoned investor or buying your first rental property, understanding the Capitalization Rate (Cap Rate) is fundamental to evaluating the profitability of a real estate investment. Our Cap Rate Calculator helps you instantly determine the potential return on a property based on its income-generating capabilities, independent of how you finance it.
What is Cap Rate?
The Capitalization Rate, or "Cap Rate," is a metric used in commercial and residential real estate to indicate the rate of return that is expected to be generated on a real estate investment property. It represents the yield of a property over a one-year time horizon assuming the property is purchased for cash (without a mortgage).
The Cap Rate formula is:
How to Calculate the Variables
To use the Cap Rate effectively, you need accurate inputs for the formula:
- Net Operating Income (NOI): This is your annual revenue minus necessary operating expenses.
Formula: (Monthly Rent × 12) – (Monthly Operating Expenses × 12) - Property Value: The current purchase price or market value of the asset.
- Operating Expenses: These include property taxes, insurance, management fees, maintenance, utilities paid by the landlord, and vacancy reserves. Note: Do not include mortgage payments (principal and interest) in Cap Rate calculations.
Real-World Example
Let's say you are looking at a duplex listed for $500,000.
- The property generates $4,500 per month in rent ($54,000 annually).
- The monthly operating costs (taxes, repairs, insurance) average $1,500 ($18,000 annually).
Step 1: Calculate NOI
$54,000 (Income) – $18,000 (Expenses) = $36,000 Net Operating Income.
Step 2: Calculate Cap Rate
($36,000 / $500,000) = 0.072 or 7.2%.
This means if you bought the property with all cash, your annual return on investment would be 7.2%.
What is a "Good" Cap Rate?
There is no single "good" Cap Rate, as it depends heavily on the risk level and location of the property. Generally:
- 4% – 6%: Often found in high-demand, low-risk areas (like major city centers). The appreciation potential is usually higher, but immediate cash flow is lower.
- 6% – 8%: A balanced range for many residential investors, offering decent cash flow with moderate risk.
- 8% – 12%+: Typically found in riskier neighborhoods or rural areas. While the return is higher on paper, the risk of vacancy or major repairs may also be higher.
Why Exclude Mortgage Payments?
New investors often ask why mortgage debt service isn't included in the expenses. The Cap Rate is designed to measure the property's natural profitability, regardless of the investor's specific financing situation. To calculate returns including your mortgage leverage, you should use the Cash on Cash Return metric instead.