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Estimate how much Income Tax and National Insurance you can expect to pay for the current tax year (6 April 2024 to 5 April 2025).
Find out how much you need to put aside for your Self Assessment tax bill by using HM Revenue and Customs' (HMRC's) Self Assessment tax calculator.
Use HM Revenue and Customs’ (HMRC) tax checker to get an estimate of how much Income Tax you should have paid in a previous tax year.
Check how the government calculates and spends your Income Tax and National Insurance contributions within your Annual Tax Summary.
If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
Check your Income Tax, Personal Allowance and tax code for the current tax year. Update details of your income from jobs and pensions.
Analysis of estimated Income Tax liabilities statistics
Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account
How to work out payments and when you should make them if your company’s annual taxable profits are between £1.5 million and £20 million.
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