Rental Green Light

Enter the numbers, hit Calculate, and get an instant Green / Yellow / Red for profitability.

Basics

Purchase Price

$

Down Payment %

%

Cash invested also includes optional closing costs % (below).

Interest Rate (APR)

%

Loan Term (Years)

Monthly Rent

$

Property Taxes (Monthly)

$

Insurance (Monthly)

$

HOA Fees (Optional)

$

Utilities (Owner Paid, Monthly)

$

Advanced Inputs

Maintenance (% of Rent)

%

Vacancy (% of Rent)

%

Management (% of Rent)

%

Closing Costs (% of Price)

%

Used in cash invested for CoC return.

—

Monthly Cash Flow

$0

Cap Rate

0%

Cash-on-Cash

0%

P&I Payment

$0

Enter values and press Calculate.

Loan Amount$0

Cash Invested (Down + Closing)$0

Operating Expenses (Monthly, excl. P&I)$0

NOI (Annual)$0

Monthly Cash Flow → Rent minus all monthly costs (mortgage P&I, taxes, insurance, HOA, utilities, maintenance, vacancy, management). Shows profit or loss per month.
Cap Rate → Capitalization Rate. Annual Net Operating Income (NOI) ÷ Property Value. A quick way to compare rental properties regardless of financing.
Cash-on-Cash Return → Annual cash flow ÷ total cash invested (down payment + closing costs). Measures return on your actual money invested.
NOI (Net Operating Income) → Rent minus operating expenses (taxes, insurance, HOA, utilities, vacancy, maintenance, management) before debt service.

Disclaimer: RentalGreenlight is an educational tool designed to simplify common real estate calculations. Results are estimates only and do not constitute financial, legal, or investment advice. Always verify assumptions and consult qualified professionals before making investment decisions.

Note: This calculator does not account for Mortgage Insurance (PMI on Conventional loans with less than 20% down or MIP on FHA loans). These additional costs can significantly reduce profitability and should be included in your own analysis if applicable.