What is the conversion factor used?

The tool uses the standard international factors: 1 acre = 43,560 square feet = 0.404686 hectare. All conversions on this page use those constants.

Can I convert multiple units at once?

Yes, the results panel shows the equivalent in every common unit in one view.

What is a cap rate in real estate?

Cap rate, or capitalization rate, is the ratio of annual net operating income to purchase price. It helps investors compare property income performance across assets.

How do you calculate NOI for an investment property?

Net operating income equals gross rental income minus operating expenses, excluding mortgage debt service, depreciation, and income taxes.

What is a good cap rate for commercial property?

A good cap rate depends on market risk, asset class, and location. Lower cap rates often signal lower risk or stronger markets, while higher cap rates may reflect more risk and potential return.

Are real estate tax benefits included in this analysis?

This calculator highlights underwriting metrics, while property tax deductions, depreciation, mortgage interest deductions, and other tax benefits should be reviewed with a tax professional as part of a full investment strategy.

Modern apartment building investment exterior

Commercial Real Estate Underwriting

Real Estate Cap Rate & ROI Estimator

Evaluate purchase price, monthly rent, operating expenses, NOI, cap rate, 50% rule, and 1% rule in a polished institutional-grade dashboard.

Investment Inputs

Purchase Price / ValueMonthly Rent

Operating Expenses

Property TaxesProp. Management FeesInsuranceLeasing FeesHOAUtilities not paid by tenantRepairs & Maintenance

Live results

Result Dashboard

Estimated Cap Rate

5.94%

Gross Monthly Income

$18,500

Total Monthly Expenses

$6,125

NOI

$12,375

Annual NOI

$148,500

50% Rule

Pass

Operating expenses are 33.11% of gross income.

1% Rule

Fail

Monthly rent equals 0.74% of purchase price.

Simple ROI Proxy

5.94%

Price-to-Rent Ratio

11.3x

Real Estate Knowledge Center

What is a cap rate?

Cap rate is a standard real estate underwriting metric that measures the annual return generated by a property’s net operating income relative to its price.

How to calculate it?

Divide annual NOI by purchase price and multiply by 100%. This calculator does that instantly while you adjust rent and expenses.

What is a good cap rate?

A good cap rate depends on the market, asset quality, tenant strength, and financing environment. Investors often weigh higher cap rates against greater risk.

Tax benefits

Real estate investors may benefit from depreciation, interest deductions, maintenance expense deductions, and other tax strategies that can improve after-tax returns.

Checklist

1. Verify income stability

Use realistic monthly rent and vacancy assumptions before underwriting a deal.

2. Stress-test expenses

Review management, repairs, HOA, insurance, and leasing costs conservatively.

3. Compare to market cap rates

Benchmark the result against similar properties in the same neighborhood or submarket.

About the Real Estate Cap Rate Roi Estimator Property Investment

Real Estate Cap Rate Roi Estimator Property Investment is a free, browser-based real estate & land tool that gives you accurate real estate cap rate roi estimator property investment results in seconds — with no account and no data uploaded to any server.

This particular page focuses on the investment workflow of real estate cap rate roi estimator property investment; use it alongside the related tools below to cover adjacent scenarios without switching sites.

Every input you enter is processed locally, so results appear instantly and your figures stay private. Preset examples give you a fast starting point, and the output updates live as you refine your numbers.

Last updated September 2026 · Reviewed by the LoanPay Logic editorial team

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