Use our Budget calculator to find out how your finances may be affected by the chancellor's new measures.
If you live in Scotland, check the relevant box in the calculator below, as the Scottish Parliament now sets income tax rates and bands apart from the personal allowance.
The UK Parliament is responsible for national insurance, fuel, alcohol and cigarette duty.
Some changes will not be seen until future financial years and are not included in this calculator developed by Deloitte.
If you can't see the calculator, click or tap here.