About PensionTaxReliefCalculator.co.uk

What this site is for

Use the pension tax relief calculator to estimate your relief entitlement based on your gross income, contribution amount and contribution method. The calculator shows basic rate relief, extra higher and additional rate relief, and — for salary sacrifice — employee and employer NI savings alongside the net monthly cost. For formal pension advice, consult a qualified financial adviser or your pension provider.

What we cover

• Basic rate relief (20%) — how relief at source works, when HMRC adds the top-up automatically, and how to check your scheme type.
• Higher and additional rate relief — how 40% and 45% taxpayers claim the extra relief through Self Assessment or PAYE coding, with worked examples.
• Net pay arrangements — how employer pension contributions reduce taxable pay before income tax is applied, and why the relief is automatic.
• Salary sacrifice — NI savings for both employee and employer, how sacrifice affects take-home pay, and the interaction with benefits-in-kind and state pension entitlement.
• Annual Allowance — the £60,000 limit, money purchase annual allowance, tapered annual allowance for high earners, and carry-forward rules.
• Scottish income tax — how Scottish starter and intermediate rates interact with pension relief calculations for Scottish taxpayers.

Editorial approach

All content is written in plain British English and reviewed against current HMRC and GOV.UK pension guidance for the active tax year. We prioritise practical accuracy, transparent assumptions and pages that are genuinely useful for pension planning. Where estimates are made, they are documented on the methodology page.

This site does not provide financial or tax advice. For personalised pension planning, consult a qualified financial adviser or contact your scheme administrator.

How the site is maintained

• Calculator rates and allowances are updated when HMRC confirms the Annual Allowance and relief rates for the new tax year.
• Guides are reviewed at each Budget and when HMRC updates its pension tax relief guidance.
• Pages are updated when readers report unclear assumptions or outdated figures.
• We do not publish pages without practical value for a UK pension planning audience.

Editorial ownership and contact

Editorial owner: James Whitfield, a UK personal finance writer with a background in pension taxation, relief at source and salary sacrifice. James writes about pension tax relief, the Annual Allowance and contribution methods against HMRC guidance.

For corrections or data-quality feedback: contact page.

Last reviewed: May 2026. Tax year: 2026/27.