Income Tax and National Insurance Calculator 2004-5

Tax Credits are excluded because they are very complex and would require the calculator to ask many more complicated questions. As a rule, most taxpayers who have children living with them, that they support, will be entitled to at least some Child Tax Credit.

Your earnings

Select your Tax Allowances and National Insurance Status.

Personal Allowance, select one:-
Age under 65
Age 65-74
Age 75+

Other Allowances
Blind Persons Allowance

Married Persons Allowance*.

Only for older couples where one partner was born before 6th April 1935, select the box representing the age of the oldest partner:-

Under 75
Age 75+

National Insurance**

Your net earnings:
Your annual tax bill:
Your annual national insurance bill:

*Only granted to one person. For effective tax planning assume to be the person with the highest income.

**National Insurance is not payable by those under 16, or over 65 (men) or 60 (women). The details are complex, but most people who do pay NI will fall into one of the categories listed, and the purpose of this is to at least give a ballpark idea of the total tax and NI liability that you face. If you wish to find out if you are Contracted In or Out, ask whoever prepares the wages, or your Personnel Department.