Model PAYE, Class 1 NI, salary sacrifice pensions, student loans
and the 60% PA-taper trap against the locked HMRC
2026/27 ruleset. Recalculates client-side as you
type — penny-accurate, no telemetry.
Scenarios modelled
2,418,902
Tax bands tracked
17
Median accuracy
±£0.04
SG
Advanced UK Salary Grid
2026/27 · Compliant
Real-time PAYE, NI & pension modelling — recalculated client-side against the locked HMRC 2026/27 ruleset.
Marriage Allowance is restricted to Basic Rate taxpayers only.
02Contextual alert
conditional · amber
60% Tax Trap Active
Marginal · 60%
Your income falls within the £100,000 – £125,140 bracket where HMRC reduces your Personal Allowance by £1 for every £2 earned. The effective marginal rate on this slice is 60% — every additional £1 of gross retains just £0.40.