The core deductions
A take-home pay estimate usually starts with gross pay and subtracts Income Tax, employee National Insurance and pension contributions. The exact order matters because pension arrangements can reduce taxable income, National Insuranceable pay, or both.
Why tax codes matter
The standard Personal Allowance is not the same as every tax code. HMRC can adjust a tax code for previous underpayment, benefits, allowances or other income. That is why two people with the same salary can see different monthly take-home pay.
A sensible way to use the result
Use the calculator for budgeting and offer comparison, then check payslips once payroll starts. If a payslip differs materially, compare the tax code, pension method, student loan plan and any taxable benefits before assuming the calculator is wrong.
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UK Take Home Pay Calculator
Estimate annual, monthly and weekly take-home pay for the 2026 to 2027 UK tax year.
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