Calculate your inflation rate
Monthly inflation figures show how much prices have risen for an average person - but what if your spending patterns are different?
The annual rate of inflation in January 2015 was 0.3%, but this calculator - developed with Warwick University - will work out how much prices have been going up for households like yours.
To find your household's rate of inflation, fill in the boxes below:
Users of the BBC News app tap here for the inflation calculator.