Ready Reckoner

Ready Reckoner is a small, growing set of privacy-first financial calculators. Nothing you type ever leaves your device — every calculation runs in your browser, using data built into the page itself.

Available now

• Stamp Duty Calculator — Stamp Duty Land Tax, Land and Buildings Transaction Tax, and Land Transaction Tax across England, Northern Ireland, Scotland and Wales.

Our promise

We collect nothing, store nothing beyond a single consent choice, and sell nothing. Read the full detail on our privacy page, or check it for yourself onwhat this site loads.