Rental Property Investment Calculator

Rental Property Calculator

Evaluate cash flow, Cap Rate, and ROI for investment properties

1. Property Purchase & Financing

Purchase Price ($)

Down Payment (%)

Mortgage Rate (%)

Closing Costs ($)

Initial Rehab / Repairs ($)

Loan Term (Years)

2. Rental Income & Vacancy

Monthly Rent Income ($)

Other Monthly Income ($)

Vacancy Rate (%)

3. Operating Expenses (Monthly)

Property Tax ($/mo)

Property Insurance ($/mo)

Property Mgmt Fee (%)

Maintenance Reserve (%)

HOA / Other Fees ($/mo)

Monthly Net Cash Flow

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Cash on Cash ROI

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Cap Rate

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Total Outlay

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Mortgage P&I

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How to Use the Rental Property Calculator

Property Purchase Details: Input the target purchase price, down payment percentage, interest rate, closing costs, and upfront repair budget.
Income Assumptions: Enter projected gross monthly rent, extra income (laundry/parking), and an estimated vacancy percentage rate.
Operating Expenses: Add recurring monthly expenses including property taxes, landlord insurance, management fees, maintenance reserves, and HOA fees.
Calculate Returns: Click “Calculate Investment Returns” to see your net cash flow, Cash-on-Cash Return, and Cap Rate.

Real Estate Investment Metrics & Formulas

1. Monthly Mortgage Payment (P&I):

PMT = Loan * [ r(1 + r)^n ] / [ (1 + r)^n – 1 ]

2. Net Operating Income (NOI):

NOI = Gross Operating Income – Operating Expenses (Excluding Mortgage)

3. Capitalization Rate (Cap Rate):

Cap Rate = (Annual NOI / Purchase Price) * 100

4. Cash on Cash Return (CoC ROI):

CoC ROI = (Annual Net Cash Flow / Total Initial Cash Invested) * 100

Frequently Asked Questions (FAQ)

What is a good Cash on Cash return for a rental property?

Most real estate investors target a Cash on Cash return between 8% and 12%. However, target returns depend heavily on the market stability, risk class of the property, and appreciation potential.

What is the difference between Cap Rate and Cash on Cash ROI?

Cap Rate measures the unleveraged profitability of a property regardless of financing. Cash on Cash ROI measures the actual return on the actual out-of-pocket cash invested, factoring in mortgage debt financing.

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