RENTAL PROPERTY CALCULATOR

Know if the rent covers the property—before you buy.

Enter purchase price, financing, rent, expenses and vacancy assumptions. Review estimated monthly cash flow, NOI, cash-on-cash return and DSCR before your next decision.

CALCULATE MY CASH FLOW

SEE HOW IT WORKS

FIRST DEAL: NO SIGNUP

3 FREE ANALYSES WITH AN ACCOUNT

NO CREDIT CARD

CASH FLOW · DSCR · CAP RATE

DECISIONS, NOT JUST CALCULATIONS

Rent minus mortgage isn’t an analysis.

Vacancy, repairs, management, taxes, insurance and debt service decide whether a rental pays you or you pay it.

WHAT TO OFFER

Find the price where cash flow and DSCR still clear your targets.

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WHAT TO OFFER

Find the price where cash flow and DSCR still clear your targets.

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WHAT THE RENT SUPPORTS

Model rent and vacancy you can defend, then see how much cushion is left.

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WHAT THE RENT SUPPORTS

Model rent and vacancy you can defend, then see how much cushion is left.

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WHAT IT COSTS TO RUN

Maintenance, management, taxes, insurance and reserves—the costs that quietly erase cash flow.

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WHAT IT COSTS TO RUN

Maintenance, management, taxes, insurance and reserves—the costs that quietly erase cash flow.

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WHAT THE FINANCING DOES

See debt service, DSCR and cash-on-cash return under the loan you plan to use.

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WHAT THE FINANCING DOES

See debt service, DSCR and cash-on-cash return under the loan you plan to use.

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HOW IT WORKS

Underwrite the property as an operating business.

Start with the numbers you have, stress the ones you’re least sure of, and decide with the cushion in view.

1. ENTER THE DEAL

Purchase, closing, financing and any upfront improvements.

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1. ENTER THE DEAL

Purchase, closing, financing and any upfront improvements.

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2. MODEL THE INCOME

Rent, vacancy and other income for this property.

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2. MODEL THE INCOME

Rent, vacancy and other income for this property.

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3. ADD REAL EXPENSES

Recurring operating costs and reserves that affect cash flow.

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3. ADD REAL EXPENSES

Recurring operating costs and reserves that affect cash flow.

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4. CHECK THE CUSHION

Cash flow, DSCR, cap rate and cash-on-cash—then test lower rent or a higher rate.

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4. CHECK THE CUSHION

Cash flow, DSCR, cap rate and cash-on-cash—then test lower rent or a higher rate.

RUN THE NUMBERS

METHOD BEFORE MOMENTUM

A rental model is a framework for questions—not a substitute for diligence.

FlipCalculatorPro calculates from the property, financing, income, and expense assumptions you enter. Confirm leases, market rents, taxes, insurance, condition, and local requirements independently.

Transparent assumptions. Real financial calculations. AI-assisted interpretation.

Decision support—not financial, tax, legal, property-management, or investment advice.

FlipCalculatorPro public sample analysis cost ledger showing every project cost from purchase to selling costs

WHAT COULD GO WRONG

Review what can change the rental outcome.

The most useful rental analysis makes operating assumptions explicit and invites scenario testing before capital is committed.

INCOME QUALITY

Validate rent, occupancy, lease, and other income assumptions using property-specific evidence.

INCOME QUALITY

Validate rent, occupancy, lease, and other income assumptions using property-specific evidence.

OPERATING REALITY

Maintenance, management, taxes, insurance, utilities, and reserves can materially affect cash flow.

OPERATING REALITY

Maintenance, management, taxes, insurance, utilities, and reserves can materially affect cash flow.

FINANCING EFFECT

Rates, terms, leverage, and closing costs influence both cash flow and return calculations.

FINANCING EFFECT

Rates, terms, leverage, and closing costs influence both cash flow and return calculations.

Could it work better as a BRRRR or a flip?

Run the same property through the deal analyzer and compare strategies before you choose how to hold it.

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FAQ

Rental property calculator questions, answered.

Practical answers about inputs, outputs, assumptions, accuracy, privacy, and access.

What rental-property inputs will I need?

Inputs may include purchase and financing terms, expected rent, vacancy, operating expenses, reserves, and other assumptions available in the application.

Which operating expenses should I consider?

Consider property-specific costs such as taxes, insurance, maintenance, management, utilities, association fees, vacancy, and capital reserves where applicable.

What outputs can the rental calculator provide?

Available outputs depend on the current workflow and information entered. They are intended to help review cash flow and return assumptions—not guarantee performance.

Where should rent and vacancy assumptions come from?

Use current, property-relevant evidence and validate material assumptions through local research and appropriate professional diligence.

How is my data handled?

Data handling and privacy are governed by the existing FlipCalculatorPro application. Review its current privacy and account information before submitting sensitive data.

How do pricing and access work?

Your first analysis needs no signup, and a free account includes 3 lifetime analyses with no credit card. A $19 Deal Pass unlocks one complete analysis to use within 72 hours. Pro is $49/month and Investor is $99/month. The app’s pricing page shows current details.

Know the deal before you make the deal.

Preview rental cash flow, NOI, cash-on-cash return and DSCR before creating an account.

CALCULATE MY CASH FLOW