Landlord NumbersFree landlord calculators
Quick, private, formula-transparent calculators for rental property owners.
Analyze a deal
Cash flow calculatorMonthly NOI, mortgage, cash flow and DSCR.Cap rate calculatorNOI ÷ price, plus value at a target cap rate.Cash-on-cash returnReturn on the cash you actually put in.ROI & IRR calculatorHold-and-sell projection with IRR and equity multiple.GRM & 1% rulePrice ÷ annual rent, with a 1% rule check.Expense ratio & 50% ruleHow much of your rent goes to expenses.
Financing
DSCR calculatorRent ÷ PITIA, rent needed and max loan.PITI mortgage calculatorP&I plus taxes, insurance, HOA and PMI.BRRRR calculatorCash left in after the refinance.
Run your rentals
Prorated rentPartial-month rent for move-in or move-out.Rent increaseNew rent, % change and turnover break-even.Vacancy costWhat an empty unit really costs.Rent-to-income ratioTenant screening with the 3× rule.
Taxes
Depreciation (27.5-yr)Mid-month schedule for Schedule E line 18.Depreciation recaptureEstimate tax when you sell a rental.
Built for small landlords
These calculators are free, run entirely in your browser (nothing you type is sent anywhere), and show their formulas so you can check the math. They're for landlords with 1–10 units analysing a purchase or reviewing a property they already own.