Real Estate Calculators
Built for Investors
Free, instant analysis tools to help you make smarter property investment decisions. No sign-up. No data collected.
Calculators
Cash on Cash Return Calculator
Measure the annual return on the cash you actually invest in a rental property.
Rental Property ROI Calculator
Calculate cash flow, cap rate, cash-on-cash return, and total ROI for rental properties.
Rent vs Buy Calculator
Compare the true costs of renting versus buying a home over time with a year-by-year analysis.
Mortgage Amortization Calculator
See your monthly payment, total interest, and full amortization schedule with optional extra payments.
Fix and Flip Profit Calculator
Estimate net profit, margins, and break-even ARV for house flipping projects.
Home Affordability Calculator
Find out how much home you can afford based on income, debts, and DTI ratios.
Why PropCalc?
Whether you are evaluating your first rental property, deciding whether to keep renting or buy, or sizing up a flip opportunity, PropCalc gives you the numbers you need in seconds. Every calculator runs locally in your browser — your financial data never leaves your device.
- No account required — start calculating immediately
- Instant results — outputs update live as you type
- Standard formulas — the same calculations used by professionals
- Mobile-friendly — works on any device
Frequently Asked Questions
Are these calculators free to use?
Yes. All PropCalc calculators are completely free with no sign-up required. Run unlimited calculations.
How accurate are the results?
The formulas use standard industry calculations. Results are estimates — always consult a financial professional and lender for final decisions.
Do you store my data?
No. All calculations run entirely in your browser. No data is sent to any server.
Can I use these on my phone?
Absolutely. All calculators are fully responsive and work great on mobile, tablet, and desktop.