Underwrite deals before you buy — cash-on-cash, cap rate, and debt coverage — and track a portfolio's performance with free investor calculators plus analysis spreadsheets.
Run the numbers in your browser — no signup. Each pairs with a ready-made spreadsheet.
enter price, down payment, rent, and expenses to see cash-on-cash return, cap rate, and monthly cash flow instantly
Free toolenter rental income, operating expenses, and your mortgage payment to see your debt service coverage ratio and whether it clears a lender's 1
Free toolenter home price, down payment, rate, and term to see your monthly principal & interest, loan amount, and total interest paid
Google Sheets & Excel, each with a free phone version. Buy direct or on Etsy.
Check three numbers before you buy: cap rate, cash-on-cash return, and monthly cash flow. The free real estate ROI calculator gives you all three from price, rent, and expenses.
Many cash-flow investors target 8%+ cash-on-cash, though appreciation-focused buyers accept less. The point is to see the real number honestly before you buy — run it in the ROI calculator.
Most DSCR lenders want at least 1.25 — the property's income 25% above its debt payment. Check any deal with the DSCR calculator.
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