UK take-home · FY 2026/27 Calc-engine routed
A gross monthly salary of £3,800 (£45,600 a year) under the locked HMRC 2026/27 ruleset, standard
tax code 1257L. Figures match the interactive calculator to the penny.
Engine note · monthly gross annualised ×12 then `calculateTakeHome()` integer-pence band-walk — no float drift, no hardcoded constants.
Monthly take-home
£3,029.30
This page assumes a flat monthly gross with no pension, student loan or salary sacrifice. The interactive calculator models those — pre-seeded at the annualised gross.
Effective tax rate is 20.3% with a 28% marginal rate on the next pound. Open the calculator pre-seeded at £45,600 .