Use this service to estimate how much Income Tax you should have paid for a previous tax year.  

There are different ways to: 

• see how much Income Tax you paid last tax year (external link) 
• check your Income Tax payments for the current tax year (external link) 

If you are self-employed, use the HMRC self-employed ready reckoner (external link) to budget for your tax bill. 

You may be able to claim a refund (external link) if you have paid too much. 

Before you Start 

You need to be: 

• born after 5 April 1938 
• a basic or higher rate (external link) taxpayer earning under £100,000 
• getting the Personal Allowance (external link) 

You need details of: 

• your earnings, before and after tax - get this from your P60 (external link) 
• any savings - get this from your bank statements or annual statement from your bank or building society 
• any Gift Aid (external link) donations you have made to charity 

Who Cannot get an Estimate Online 

You cannot get an estimate online if you: 

• get taxable state benefits (external link) 
• are entitled to claim Married Couple’s Allowance (external link) 
• were born on or before 5 April 1938 and get the higher allowances  
• have other taxable income, for example from dividends and trusts 
• are a higher rate taxpayer and want to estimate your Gift Aid tax relief (external link)  

You can check you have paid the right tax by contacting HMRC (external link) or by getting help from an accountant (external link).