Free Investment Calculators
Run the numbers on any deal in seconds. Each calculator includes how-to steps and links to glossary definitions.
Available now
Cap Rate Calculator
Evaluate a property's yield independent of financing.
Cash-on-Cash Return Calculator
Measure your actual cash yield on invested capital.
NOI Calculator
Calculate property income before debt service.
Cash Flow Calculator
See your monthly profit after all expenses and mortgage.
Mortgage Payment Calculator
Calculate your monthly principal and interest payment.
Amortization Calculator
See how each payment splits between principal and interest.
Gross Rent Multiplier (GRM) Calculator
Quick screening metric to compare deals across markets.
1% Rule Calculator
Instant screening: does this deal pass or fail?
50% Rule Calculator
Rough cash flow estimate without itemizing every expense.
70% Rule Calculator
Find the maximum price to pay for a fix-and-flip.
Fix & Flip Profit Calculator
Project profit and ROI on your next flip.
Break-Even Occupancy Calculator
Find the minimum occupancy to cover all expenses.
IRR Calculator
Annualized return including hold-period cash flows and exit.
DSCR Calculator
Check if your property qualifies for DSCR financing.
Coming in Phase 2
These tools are planned next. Use Phase 1 calculators and the glossary in the meantime.
- BRRRR Refinance Calculator
Model how much equity you can pull out after rehab.
- House Hack Analysis Calculator
Calculate your effective housing cost when renting out units.
Ready for the Full Analysis?
These free calculators are a starting point. Temelios pulls real comps, census data, and AI analysis so you can verify every assumption before you commit.
Create Free AccountNo credit card required. Free calculators + account.