HMRC Calculators

National Insurance Calculator
If you’re an employee, you’ll need to pay Class 1 NICs on your earnings. As an employee: you pay National Insurance contributions this calculator can help you work out what that contributions should be.
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Self-Employment Ready Reckoner
If you are self–employed, you can use the HMRC self–employed ready reckoner to help budget for your tax bill. If you are an employee (paid through PAYE), you can use an HMRC tax calculator to estimate tax based on your pay.
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Estimate Income Tax Calculator
Use this service to estimate how much Income Tax and National Insurance you should pay for the current tax year. This tells you your take-home pay if you do not have any other deductions, such as pension contributions or student loans.
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PAYE Calculator
Use this calculator to calculate your take home salary. It will show you PAYE, NI and Net Salary. Detailed Income tax and National Insurance contribution calculations included.
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Directors National Insurance Calculator
Directors‘ national insurance. A director’s NI normally calculates differently to that of a normal employee which always calculates on a non-cumulative basis. This means that their liability is assessed in each pay run without reference to their earnings from any other pay run.
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Stamp Duty Land Tax Calculator
Stamp Duty Land Tax (SDLT) is a tax on properties bought in England and Northern Ireland. You’ll need to pay it when you buy a residential property that costs more than £125,000. Use this calculator to work out how much Stamp Duty you’ll need to pay on your new home.
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Inheritance Tax Calculator
Inheritance tax paid on what you leave behind to your heirs, and they could pay as much as 40% tax on what they inherit. The good news is that there are lots of ways to cut down your bill, which we’ve explained in full in our guides to inheritance tax.
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