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Salary Sacrifice Calculator — UK Tax Calculator

UK Tax Calculator

Salary Sacrifice Calculatorfocused tool2026/27 · Take-home & tax
Income

Salary Sacrifice Calculator

Compare take-home with and without pension salary sacrifice, and see the income tax and National Insurance you save on what you sacrifice.

Take-home at 0% sacrifice

£51,157

after tax, NI & pension · per year
Into pension

£2,100

Tax + NI saved

£0

What if I sacrifice…
Percentage of £70,000 gross · £0/yr

Take-home

£51,157

Tax + NI

£18,843

Pension/yr

£2,100

Marginal rate on next £1

42%

Common questions

Quick answers for the 2025/26 tax year. For guidance only — not financial advice.