Tax Rates 2024/25 National Insurance. Class 4 nic stop from the start of the tax year after the one in which the person reaches state pension age. 6% on profits of £12,570 up to £50,270;

This tax and ni calculator will provide you with a forecast of your salary as well as your national insurance contributions for the tax year of 2024/25. A quick guide to 2024/25 tax rates, bands and allowances.