Know the deal
before you buy.
Eight free calculators for rental-property screening and analysis. Start with cash flow, understand the property's operating performance, then test financing, risk and long-term return.
Choose the metric you need
Use the full calculator for underwriting, or isolate one metric when comparing deals.
Rental Property Calculator
Cash flow, NOI, cap rate, cash-on-cash return, DSCR and the 1% rule in one model.
Start full analysis →Rental Yield Calculator
See gross and net yield after vacancy and recurring operating expenses.
Calculate yield →Cap Rate Calculator
Measure annual NOI against property value before financing.
Calculate cap rate →Cash-on-Cash Return
Compare annual pre-tax cash flow with the cash you actually invested.
Calculate CoC return →1% Rule Calculator
Check rent-to-price ratio, required rent and maximum price at your target.
Run quick screen →Gross Rent Multiplier
Compare acquisition price with annual gross rental income.
Calculate GRM →Vacancy Cost Calculator
Estimate income lost to vacancy and your break-even occupancy level.
Stress vacancy →Rental Property ROI
Model cash flow, appreciation, mortgage paydown, selling costs and sale equity.
Model long-term ROI →One property. Four layers of analysis.
Rental investing gets confusing when operating performance, financing and future appreciation are mixed together. Keep them separate.
Screen the opportunity
Use rent-to-price and GRM for a fast first pass. They help eliminate obvious mismatches, but they do not measure profitability.
1% Rule · GRMUnderstand operations
Adjust rent for vacancy and subtract recurring expenses. That produces NOI—the core operating number behind cap rate.
Rental Yield · Cap RateAdd your financing
Mortgage payments turn property performance into investor cash flow. Then compare that cash flow with the cash you invested.
Cash-on-Cash · Full AnalysisStart with the complete property analysis.
Enter the purchase, rent, expenses and financing assumptions once and see the major rental metrics together.