Free calculators · rates dated 2026/27
Every number,
shown working.
Herramientas simples y precisas para la vida cotidiana. Sin registro. Each calculator cites its sources, shows the breakdown, and states the year its rates come from.
- Gross salary
- £35,000
- Income Tax
- −£4,486
- National Insurance
- −£1,794
- Personal Allowance£12,570
- Basic Rate£22,430
The library
Browse by category
UK payroll & tax · 2026/27
One connected set of payroll calculators
UK Salary Calculator
EmployeeTake-home pay after Income Tax, National Insurance, pension and student loan.
Salary Sacrifice Calculator
EmployeeCompare take-home pay and pension contributions before and after salary sacrifice.
Pro Rata Salary Calculator
EmployeeConvert a full-time salary into part-time pay from contracted hours or days.
Two Jobs Tax Calculator
EmployeeSee how two employments share allowances while National Insurance stays separate.
Employer NI Calculator
EmployerEstimate secondary Class 1 National Insurance and total employment cost.
Maternity Pay Calculator
EmployerBuild a week-by-week Statutory Maternity Pay schedule for 2026/27.
Redundancy Calculator
EmployerEstimate statutory redundancy pay from age, service and capped weekly pay.
Annual Leave Calculator UK
EmployerCalculate statutory holiday for full-time, part-time and part-year workers.
Self-Employed Tax Calculator
Self-employedEstimate Income Tax, Class 4 NI and payments on account from annual profit.
Inside IR35 Calculator
ContractorCompare deemed-employment and outside-IR35 take-home from one contract.
Sources, linked
Rates and thresholds link to the government or standards body they come from — HMRC, NHS, IRS — at the point where the number is used.
Dated, not vague
Every calculator states the tax year or data year it uses, so you know exactly what you are looking at.
Workings shown
Results come as a full breakdown you can check against your own payslip or bill — see the methodology.