Fast & Source-backed
Calculations update as you type. Our 2026/27 rates are checked against published HMRC, GOV.UK and Scottish Government guidance. Results are annual estimates and can differ from payroll.
Clearer payslips
About AfterTax
We believe everyone deserves clear information about their payslip. Our mission is to provide private, source-backed UK tax estimates with assumptions you can understand.
Our Mission
Understanding your payslip shouldn't require an accounting degree. We built AfterTaxCalculator because we were frustrated by the overly complex and confusing tax calculators currently available on the market.
Our goal is simple: to help UK employees and job seekers understand where their pay goes—quickly, transparently, and without compromising personal data.
Our Core Values
Privacy First
Your financial data is incredibly sensitive. That's why AfterTaxCalculator runs entirely in your browser. We do not track, store, or transmit your salary information to any servers.
Free to Use
Financial literacy should be accessible to all. Our core calculator is and always will be completely free to use without any hidden paywalls or premium subscriptions.
Tested calculations
We check the calculation engine with automated tests and publish the assumptions, official sources and limitations behind each estimate.
Editorial accountability
Guides are maintained by the AfterTaxCalculator editorial team and receive an editorial fact-check, not a review by a regulated tax adviser. We publish the official sources, assumptions and review dates so you can understand the basis of each estimate.
Our editorial and corrections policy explains how numerical claims are checked and material errors are corrected.
Support the Project
AfterTaxCalculator is maintained by independent developers in their free time. If this tool helped you negotiate a salary, plan your finances, or understand your payslip, consider buying us a coffee to help cover our server hosting and domain costs!