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Use the self-employed ready reckoner to budget for your Self Assessment tax bill for the 2021 to 2022 tax year.
Enter your estimated weekly or monthly profit to get an idea of how much Income Tax, Class 2 and Class 4 National Insurance you’ll pay.
on the HMRC website
This tool assumes you have no other taxable income and receive the standard Personal Allowance. It does not include payments you must make for previous tax bills - known as payments on account.
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