RE Calculator — Real Estate Investment Analyzer

Analyze any Zillow or Redfin listing as an investment. See cash flow, cap rate, cash-on-cash return and DSCR instantly.

DETAILED DESCRIPTION: Know your numbers before you buy. RE Calculator turns any Zillow or Redfin listing into an investment analysis in seconds. HOW IT WORKS Browse Zillow or Redfin like you normally do. When you open a property listing, click the RE Calculator icon. Enter your down payment, interest rate, and estimated rent — and instantly see the full investment picture. WHAT YOU GET - Monthly Cash Flow — will this property pay you or cost you? - Cap Rate — the property's return independent of financing - Cash-on-Cash Return — your actual return on the cash you invest - DSCR (Debt Service Coverage Ratio) — can the rent cover the mortgage? - Monthly Payment — principal, interest, taxes, and insurance - Break-Even Rent — the minimum rent needed to cover all costs - Investment Verdict — Good, OK, or Bad with a plain-English explanation WORKS ON - Zillow (all US listings) - Redfin (all US listings) - Realtor.com (coming soon) BUILT FOR INVESTORS Whether you're analyzing your first rental property or your fiftieth, RE Calculator gives you the numbers that matter. No spreadsheets, no guesswork, no switching between tabs. - Adjust down payment, rate, and rent assumptions on the fly - See how different scenarios change your returns - Works on any residential listing (single family, multi-family, condo) 100% FREE - No account required - No signup, no credit card - All calculations run locally in your browser - No data collected or transmitted - Lightweight — won't slow your browsing Stop guessing. Start analyzing.