UK Tax Residence Calculator – Accurate UK tax residency assessment for expats and movers

Summary: This free calculator applies the full UK Statutory Residence Test (SRT) including all six automatic tests and the sufficient ties test, providing instant tax residency results with HMRC references. It simplifies complex 50-page HMRC guidance into an interactive questionnaire and day planner for tracking UK presence and planning trips.

What it does

The tool guides users through the complete SRT process, calculates residency status based on official RDR3 rules, and offers a day planner to monitor UK days and ties in real time. It requires no signup for instant results and is built with Next.js 14 and TypeScript.

Who it's for

Expats, contractors, remote workers, and individuals planning international moves needing to determine UK tax residency.

Why it matters

It replaces complex HMRC manuals and costly accountant fees by providing an accessible, precise method to establish UK tax residency status.