Work out an employee's National Insurance contributions
IfUse you'rethis ancalculator employee,to employer,work orout aemployee softwareNational developer,Insurance usecontributions thisfor calculatorthe tocurrent worktax outyear, employeeif Nationalyou're Insurancean contributions.employee, employer, or a software developer.
This calculator will allow you to check how much in National Insurance contributions an employee needs to pay.
Using the calculator
If you’re an employee
YouUse can use the calculator to find out if the amount of National Insurance contributions you’ve paid is correct.
If you’re an employer
Use the calculator to find out how much National Insurance you need to deduct from your employees’ pay.
If you’re a software developer
Check the payroll software you have developed is calculating National Insurance contributions for employees and employers correctly.
Before you start
This calculator is only for the current tax year.
You’ll need:
- the period of pay, which could be:
- weekly
- every 2 weeks
- every 4 weeks
- monthly
ifyou’reanemployee,paid- paid, if you’re an
employer, - the date you paid your
employeeemployee, if you’re an employer - the amount paid before any deductions
- the employee’s National Insurance category letter
—— this can be found on the employee’s payslip
Updates to this page
Last updated 26 July 2024 + show all updates
-
Information has been added to explain that the calculator is only for the current tax year.
-
Added translation
Update history
2024-07-26 15:50
Information has been added to explain that the calculator is only for the current tax year.
2023-12-20 13:18
Added translation