If you work in the UK, compare job offers, or just want a quick salary-after-tax estimate, I built a small browser-based tool for this:
It is designed for quick salary planning rather than formal payroll work. You enter your income, choose the pay period and UK tax region, then the calculator estimates annual, monthly and weekly take-home pay.
What it can estimate
- PAYE Income Tax for the 2026/27 tax year
- Employee National Insurance
- Salary sacrifice pension deductions
- Student Loan Plans 1, 2, 4 and 5
- Optional Postgraduate Loan deduction
- England, Wales, Northern Ireland and Scotland tax regions
- Annual, monthly and weekly take-home pay breakdowns
When it is useful
This is useful when you want to compare a new job offer, check what a salary increase might mean in monthly take-home pay, plan a budget, or understand how pension sacrifice and student loan deductions affect salary.
Because the calculation runs in the browser, the salary amount is not uploaded to a server or stored in a database.
Tool link
Try it here: https://mini-tools.uk/tax
Search terms it may help with
UK tax calculator, UK income tax calculator, salary after tax UK, take-home pay calculator, PAYE calculator, National Insurance calculator, UK salary calculator, student loan deduction calculator, salary sacrifice pension calculator, Scotland tax calculator.
Note
This is an estimate only. Actual payslips can differ because of tax codes, benefits in kind, bonuses, pension scheme rules, payroll rounding and employer-specific deductions. For official decisions, check GOV.UK, HMRC guidance or a qualified adviser.
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