Chancellor Philip Hammond has announced an increase to the amount you can earn before you pay income tax, and the amount you can earn before you pay the higher rate.
The personal tax free allowance will increase from £11,500 to £11,850.
The higher-rate (40%) tax threshold will rise for people in England, Wales and Northern Ireland from £46,350. People in Scotland currently pay higher-rate tax after £43,000.
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Income tax calculator 2018-19
Use our income tax calculator to find out how much tax you’ll pay in the 2018/19 tax year, starting on 6 April 2018. This calculator only applies to taxpayers in England, Wales and Northern Ireland.
More ways to work out how the Budget affects you
If you’re a first-time buyer, you’ve been given a huge boost by seeing stamp duty dramatically cut. Use our calculator to find out how much you’ll now pay.
National Insurance is also changing next year. Use our calculator to work out how much you’ll pay in the next tax year.
Read all our Budget coverage and see how the changes will affect your finances.