United Kingdom Salary Calculator

How United Kingdom income tax works

Progressive tax applies to income after the supported deductions and personal allowance. Each band taxes only the portion inside it. These bands use the taxable income base; the initial table is for England.

Personal Allowance: GBP 12570. It reduces by 50% of adjusted income above GBP 100000. The result includes the actual allowed amount and the marginal effect of tapering.

Supported tax residences: England, Wales, Northern Ireland, Scotland. The calculator applies the selected residence’s income-tax bands.

Social contributions

The listed contributions are additional to the main tax schedule. This reference table is for England; the calculation result includes contributions for your actual selection. Some countries include national-insurance premiums in that schedule; see the country assumptions to avoid double counting. Employer payments do not reduce employee take-home pay. Contribution thresholds and rounding use the period specified by the rule.

Deductions & supported scenarios

Supported payments: Net pay pension. Tax deductibility and actual cash payments are tracked separately. Enter only the payment arrangements described in the questions and country limitations.

Where an optimisation scenario is supported, the engine recalculates tax and shows the trade-off in spendable income. Absence of a suggestion does not establish that no other legal relief exists.

Calculation assumptions

• UK resident, age 21 to 64, ordinary NI category A employee throughout the tax year.
• Salary is paid equally across twelve monthly payroll periods. Tax is an annual estimate; NI and loan deductions use monthly thresholds and rounding.
• Standard Personal Allowance only; the selected home nation determines non-savings income-tax rates.
• Any pension entered is a gross employee contribution under a net pay arrangement, not salary sacrifice or relief at source.
• Pension contributions must fit your confirmed available annual allowance including employer contributions; no previous flexible pension access, carry-forward or annual allowance charge is assumed.
• No child benefit, marriage transfer, other income, benefits in kind or nonstandard tax codes.

Coverage & limitations

Coverage: Standard · Rule version: GB-2026-27-v1 · Tax year: 2026-27 · Independent verification: pending.

• Supported ages 21-64 and NI category A only. Other ages and contribution categories require additional rules.
• Annual income-tax estimate for 6 April 2026 to 5 April 2027; payroll tax-code rounding may differ.
• Monthly NI and student-loan deductions assume equal earnings; irregular pay and part-year work are unsupported.
• Only gross net-pay pension contributions are supported, up to £60,000 and gross income up to £200,000 when contributions are entered, assuming sufficient remaining allowance.
• Salary sacrifice, relief at source, pension annual-allowance charges, child benefit charges and government benefits are not included.
• Employer cost excludes workplace pension, Apprenticeship Levy and employer-level Employment Allowance.
• Loan stop notices, remaining balances and multiple undergraduate loans are not modelled. Independent professional review pending.

Official sources

• Employer rates and thresholds 2026-27 - HM Revenue & Customs
• Income tax rates and Personal Allowance - HM Revenue & Customs
• Student and postgraduate loan deduction tables 2026-27 - HM Revenue & Customs
• Tax relief on pension contributions - HM Revenue & Customs
• Pension scheme allowances and limits - HM Revenue & Customs

Source research date: 16 October 2026. This is distinct from independent professional verification. Automated source checks appear in the administration dashboard after the worker runs.

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