United Kingdom Income Tax Calculator 2026
Enter your gross annual income below to see a detailed tax breakdown based on official United Kingdom tax rates for 2026.
United Kingdom Tax Calculator
£
£0£250k£500k
Compare United Kingdom With Other Countries
Data Integrity & Methodology
- Primary Source
- HMRC CWG2 (2025-26) — Employer Further Guide to PAYE and NICs
- Global Source
- OECD Taxing Wages & TaxBEN — International Comparative Tax Data
- Last Verified
- Calculation Logic
- Deterministic Java engine mapped to official statutory rates stored in Postgres. Contextual AI insights grounded via Vertex AI Search using the cited documents above.
18 source documents from IRS, OECD & governments
Deterministic math — never AI-generated numbers
Updated for 2026 tax year