Yield Lens – Rental Property Calculator

See cash flow, cap rate and cash-on-cash return directly on Zillow, Redfin, Rightmove and Domain listings.

Thinking about buying a rental property in the US, UK or Australia? Yield Lens runs the numbers on the listing you're already looking at, with no spreadsheets and no copy-pasting. Open a for-sale listing on Zillow, Redfin, Rightmove or Domain. A compact panel then shows: • Monthly cash flow • Cap rate and cash-on-cash return • Gross and net rental yield • Break-even rent: the rent you need for the deal to pay for itself • Mortgage payment and total cash needed BUILT FOR EACH MARKET • United States: rent and HOA from the listing when available, property tax by state, closing-cost estimate • United Kingdom: England/NI Stamp Duty (SDLT) with additional-property (+5%) and non-resident (+2%) rates, Scottish LBTT with the 8% ADS, Welsh LTT higher rates, and interest-only buy-to-let loans • Australia: transfer duty for every state and territory, plus foreign-purchaser surcharges FULLY ADJUSTABLE Change price, rent, interest rate, down payment, vacancy, management, maintenance, tax or insurance, and every number updates instantly. Set your own defaults per country. YIELD LENS PRO ($6.99/month including tax, 7-day free trial) • Save listings and compare them side by side • Keep multiple scenarios per property (e.g. "Base" vs "Low rate") • Export everything to CSV for Excel or Google Sheets The calculator panel itself stays free. PRIVATE BY DESIGN Listing data is processed only in your browser and never sent to our servers. There are no ads and no tracking. Figures are estimates, not financial or tax advice. Yield Lens is not affiliated with or endorsed by Zillow, Redfin, Rightmove or Domain.