Before you start, have details of your income to hand (bank statements, pension details, benefits and other taxable income).
Use actual details where you can, but use estimates for the period 6 April 2014 to 5 April 2015.
Enter whole pounds only. If you need more information to answer the question, click on the question mark at the side.
You can print a copy of the calculation for your use. The results won't be saved or passed on to HM Revenue & Customs (HMRC).
You'll only need to do this once unless your circumstances change.
Answer all form fields marked with an* (asterisk)