National Insurance Calculator

Calculate your National Insurance contributions whether you're earning from employment or self-employment.
The calculator uses standard assumptions to estimate your tax breakdown. Remember, your actual take-home pay also depends on other factors like pension contributions and student loan repayments, and it may vary based on your tax code.

Employment Status:
Yearly Monthly Weekly Daily*
NI Class 2 - - - -
NI Class 4 - - - -
NI Total - - - -
You're left with: - - - -

How To Use The National Insurance Calculator

Note: We will update this calculator in January with the new National Insurance rates

National Insurance Rates


If you are employed, you will pay Class 1 National Insurance contributions. The rates below are the most common for most employees:

Self Employed

If you are self-employed, you will pay Class 2 and Class 4 National Insurance contributions.

Disclaimer: Although the calculations are quite accurate, please use the provided information for illustrative purposes only. Do not make any major financial decisions without consulting a qualified specialist.

The daily income calculation accounts for the number of workdays in a year, including leap years, and UK Bank holidays, to precisely determine your daily earnings.