How do I calculate my National Insurance contributions UK?
For the tax year 2021-22, Class 4 contributions are calculated at the rate of 9% + £3.05 per week if your profits are between £9,569 and £50,270, and if your profits after deducting expenses are above £50,270 then, Class 4 contributions are calculated at the rate of 2% of your profits + £3.05 per week.
How much is income tax and National Insurance UK?
Income tax and National Insurance contributions

Band | Tax rate | Income tax bands |
---|---|---|
Personal allowance | 0% | Up to £12,500 |
Basic rate | 20% | £12,501 to £50,000 |
Higher rate | 40% | £50,001 to £150,00 |
Additional rate | 45% | over £150,000 |
How is NI and PAYE calculated?
Calculate income tax (PAYE) and National Insurance (NI) contributions plus the effects of salary increases. Your final salary is calculated by deducting income tax and national insurance from your gross salary.
What was the personal tax allowance for 16 17?
£11,000
From 2016-17 onwards, all individuals will be entitled to the same personal allowance, regardless of the individuals’ date of birth. This personal allowance is £11,000, an increase of £400 from 2015-16. The income limit for personal allowance remains at £100,000.
How much is National Insurance tax?

Employers pay Class 1A and 1B National Insurance on expenses and benefits they give to their employees. They must also pay Class 1A on some other lump sum payments, for example redundancy payments. The rate for the tax year 2022 to 2023 is 15.05%.
What was the personal allowance for 2015-16?
2. Income tax allowances
2014-15 | 2015-16 | |
---|---|---|
Personal Allowance | ||
those born after 5 April 1948 | 10,000 | 10,600 |
those born between 6 April 1938 and 5 April 1948 | 10,500 | 10,600 |
those born before 6 April 1938 | 10,660 | 10,660 |