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United Kingdom Financial Calculators

2 calculators ยท reported in GBP

Calculators built around United Kingdom's own rules. The relevant authority is HMRC (HM Revenue & Customs). Every tool runs entirely in your browser, so the numbers you type are never uploaded.

United Kingdom calculators

Tax facts at a glance

  • The 2026/27 Personal Allowance is ยฃ12,570 (frozen) and starts to taper above ยฃ100,000 of income.
  • Income tax rates are 20% basic, 40% higher and 45% additional.
  • Employee National Insurance is 8% between ยฃ12,570 and ยฃ50,270, then 2% above.
  • Auto-enrolment pensions require a 5% employee contribution on qualifying earnings by default.
  • Scottish income tax bands differ from the rest of the UK โ€” the calculator documents that it models England, Wales and Northern Ireland.

Figures reflect the published rates for the current tax year and are estimates rather than filing advice on their own.

Frequently asked questions

Does this cover Scottish income tax bands?

The UK paycheck calculator models England, Wales and Northern Ireland rates. Scottish bands and thresholds differ, so treat the result as a guide if you are a Scottish taxpayer.

How is my pension handled?

Enter your employee contribution percentage and the calculator deducts it before calculating income tax, which is how a net-pay workplace pension works.

Why is my real payslip slightly different?

Payroll software may apply cumulative tax codes, student loan plans, salary sacrifice and benefit-in-kind adjustments that a simple annual estimate does not include.

These calculators provide planning estimates, not tax advice. Verify every figure with the official guidance published by HMRC (HM Revenue & Customs) before you file or sign a contract.

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