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Cap Rate Calculator — Real Estate ROI, Free (2026)

Calculate capitalization rate, cash-on-cash return, and net operating income for any rental property to compare real estate investments side by side.

ByEditorial Team, Finance Updated Jun 7, 20262026 verified Methodology

Property Details

Enter your property financials to calculate cap rate and cash flow.

%

Estimated Net Operating Income (NOI)

$26,200

Investment Analysis

Enter property details to see cap rate, cash-on-cash return, and more.

Ready to Analyze

Enter property price, rental income, and expenses to calculate your capitalization rate and investment metrics.

About this calculator

What is Cap Rate?

Cap Rate (Capitalization Rate) is the annual return on investment for a real estate property based on its net operating income (NOI) and property value. It's one of the most important metrics in real estate investing because it helps you evaluate whether a property is a good investment compared to other opportunities.

Cap Rate = (Net Operating Income / Property Value) × 100

A higher cap rate indicates a potentially better return on investment, but also typically means higher risk. A lower cap rate suggests lower risk but also lower returns.

How to Use the Cap Rate Calculator

Using our cap rate calculator is straightforward:

  1. Enter the Property Price - The purchase price or current market value
  2. Enter Annual Rental Income - Gross rental income expected annually
  3. Enter Operating Expenses - All costs to operate the property (taxes, insurance, maintenance, utilities, management, vacancy allowance)
  4. Calculate - The tool computes:
    • Net Operating Income (NOI)
    • Cap Rate percentage
    • Cash-on-Cash Return

What You'll Get

  • Cap Rate % - Your annual return percentage
  • Net Operating Income - Total revenue minus operating expenses
  • Gross Yield - Rental income as percentage of property price
  • Comparison - How this property stacks up against market averages

Cap Rate Formula

The capitalization rate uses this mathematical formula:

Cap Rate (%) = (Net Operating Income / Property Value) × 100

Where:

  • Net Operating Income (NOI) = Gross Annual Rental Income - Annual Operating Expenses
  • Property Value = Purchase price or current market value
  • Operating Expenses = Property taxes, insurance, maintenance, utilities, management fees, vacancy allowance, etc.

Important: NOI does NOT include mortgage payments or capital expenses, only operational costs.

Step-by-Step Example

Let's calculate the cap rate for a small apartment building:

Property Details:

  • Purchase Price: $500,000
  • Annual Rental Income: $60,000
  • Property Taxes: $8,000/year
  • Insurance: $2,000/year
  • Maintenance: $4,000/year
  • Property Management: $6,000/year
  • Vacancy Allowance (10%): $6,000/year
  • Utilities (landlord-paid): $2,000/year

Step 1: Calculate Total Operating Expenses

  • Total OpEx = $8,000 + $2,000 + $4,000 + $6,000 + $6,000 + $2,000 = $28,000/year

Step 2: Calculate Net Operating Income (NOI)

  • NOI = $60,000 - $28,000 = $32,000/year

Step 3: Apply Cap Rate Formula

  • Cap Rate = ($32,000 / $500,000) × 100 = 6.4%

Interpretation: This property returns 6.4% annually based on its current income and expenses, before accounting for mortgage payments or appreciation.

Cap Rate Comparison by Property Type

Property Type Market Cap Rate Range Risk Level
Class A Office 4-6% Low
Multifamily (Apartments) 5-8% Low-Medium
Industrial 5-7% Low
Retail 6-9% Medium
Class C Multifamily 8-12% Medium-High
Land 3-6% Medium
Development 10%+ High

Note: Cap rates vary by market, location, property condition, and economic conditions.

Cap Rate Examples by Market Condition

Property Price NOI Cap Rate Interpretation
Strong Market $400,000 $20,000 5.0% Lower cap rate = hot market, lower returns
Moderate Market $400,000 $28,000 7.0% Balanced cap rate = fair pricing
Weak Market $400,000 $36,000 9.0% Higher cap rate = buyer's market, strong returns

Same property price; different cap rates based on income potential and market conditions.

Cap Rate Formula

Cap Rate (%) = (Net Operating Income / Property Value) × 100

Where Net Operating Income (NOI) = Gross Annual Income - Operating Expenses

Advanced Cap Rate Analysis

Comparing Properties by Cap Rate

When evaluating multiple investment properties, cap rate provides a quick comparison metric:

  • A property yielding 8% cap rate means for every $100,000 invested, you generate $8,000 in annual NOI
  • In a low-interest environment (2-3% savings rates), an 8% cap rate appears attractive
  • However, cap rates must account for financing costs, vacancy rates, and maintenance reserves

Market Context Matters

Cap rates vary significantly by market and property type:

  • Prime urban markets: 4-6% cap rates (lower risk, higher demand)
  • Suburban markets: 6-8% cap rates (moderate risk and return)
  • Rural/emerging areas: 8-12% cap rates (higher risk, higher potential returns)

The Cap Rate Paradox

A high cap rate can indicate either:

  1. Opportunity: An undervalued property in a growing market
  2. Risk: A property in declining area with higher vacancy risk

Always investigate WHY a property has a high or low cap rate before investing.

Beyond Cap Rate

While useful, cap rate doesn't account for:

  • Property appreciation potential
  • Leverage (using mortgage financing to increase returns)
  • Tax benefits (depreciation, deductions)
  • Liquidity and exit strategy

Use cap rate as one metric among many, not the sole decision factor.

FAQ

What's a good cap rate?

"Good" cap rates vary by market, property type, and location. Typically: 5-6% for low-risk commercial, 7-8% for residential, 8-12% for higher-risk properties. Compare cap rates for similar properties in your market. Higher cap rates indicate higher risk but potentially better returns.

How is cap rate different from cash-on-cash return?

Cap Rate uses the property value. Cash-on-Cash Return uses your actual cash down payment. Example: If you put down $100,000 on a $400,000 property earning $28,000 NOI, cap rate = 7%, but cash-on-cash = 28%. This is why financing matters!

What should I include in operating expenses?

Include all costs to operate the property: property taxes, insurance, maintenance/repairs, property management fees, utilities (if landlord-paid), HOA fees, vacancy allowance (typically 5-10%), and advertising costs. Do NOT include mortgage payments or capital improvements.

Can cap rate predict future returns?

Cap rate shows current/expected returns based on today's NOI and price. Future returns depend on property appreciation, rent growth, expense changes, and market conditions. Use cap rate for comparison, not prediction of future gains.

How do I use cap rate to compare properties?

Compare cap rates for similar properties in the same market. A 7% cap rate property vs. a 5% cap rate property in the same neighborhood suggests the 7% property offers better income (or is priced lower). Adjust for property condition, tenant quality, and location.

What's a vacancy allowance and why does it matter?

A vacancy allowance (typically 5-10% of gross income) accounts for months when units are empty between tenants. This is crucial for realistic NOI calculation. A property that's never vacant is unrealistic for long-term returns. Factor in realistic vacancy rates for your market.

Related Calculators

Real Estate CalculatorRental Property CalculatorInvestment CalculatorROI Calculator

Sources & References

Disclaimer

This calculator is provided for educational and informational purposes only. It is not financial, legal, tax, or investment advice. The results are estimates based on the assumptions and inputs you provide.

Actual results may differ significantly due to:

  • Changing interest rates and market conditions
  • Taxes, fees, and charges not accounted for in the calculation
  • Individual circumstances and variables not captured by the calculator

Please consult with a qualified financial advisor, tax professional, or attorney before making any financial decisions. Past performance does not guarantee future results. Always verify important calculations independently before relying on them.

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