23 March 2011 Last updated at 13:19 ET

Budget 2011: Budget calculator

How much better or worse off will you be in the coming year following the Budget?

Use our Budget calculator, developed by accounting firm KPMG LLP (UK), to find out how the measures being brought in next month will affect you. Find our full Budget coverage here.

Calculator basics:

• The tax system is complex, and the model used below gives only an indication of the Budget's impact
• Your personal information is safe - all calculations are carried out on your computer
• The calculator includes measures announced in previous budgets that come into effect in April this year

Your Details

• Sex
  Male Female
• Age
  *
• Number of children under 16
  * *
• Average weekly hours worked
  *
• Marital status
  Single Married Civil Partnership Cohabiting Divorced

Partner's Details

• Sex
  Male Female
• Age
  *
• Average weekly hours worked
  *
• Include partner's income

* If you have children under 16 then you will need to enter your partner's income to ensure that the Child Tax Credit and Working Tax Credit are calculated correctly.

Income

	Own	Partner
Salary (gross)	*	*
Self-Employment	*	*
Dividends	*	*
Interest	*	*
Rental (net)	*	*
Non-State pension	*	*

Weekly Consumption

• Packs of cigarettes *
• Pints of beer *
• Glasses of wine *
• Glasses of spirits (50ml doubles) *
• Vehicle Fuel (litres) * Unleaded Diesel LPG

Road Tax

•  
  CO₂ Emissions (g/km)
• First car
  No Car Low - 120 or less Medium - 121 to 165 High - 166 to 225 Very high - over 225
• Second car
  No Car Low - 120 or less Medium - 121 to 165 High - 166 to 225 Very high - over 225

Company Cars

	Own	Partner
List Price	*	*
CO2 Emissions (g/km)	*	*
Diesel
Fuel Provided

Company Vans

	Own	Partner
Private use permitted
Fuel provided