UK Answers

£30,000 vs £40,000 After Tax: What Is the Difference?

Moving from £30,000 to £40,000 is a £10,000 rise before tax, but you take home £7,200 more a year (£600 a month). You keep 72% of the extra pay.

2026/27 rates · England, Wales and Northern Ireland, with Scotland below · checked 8 October 2026

Item£30,000£40,000Difference
Take-home a year£25,120£32,320+£7,200
Take-home a month£2,093£2,693+£600
Take-home a week£483.07£621.53+£138.46
Income tax£3,486£5,486+£2,000
National Insurance£1,394£2,194+£800
Take-home in Scotland£25,155£32,255+£7,100

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Why you keep less than the full rise

Extra pay is taxed at your highest rate: income tax is 20% and National Insurance 8% on this slice, so you keep about 72p in every extra pound.

See each salary in detail

Figures assume the standard tax code, no pension and no student loan. Source: GOV.UK.

Frequently asked questions

How much more do I take home on £40,000 than £30,000?

You take home £7,200 more a year (£600 a month) on £40,000 than on £30,000, even though the pay rise is £10,000. That is 72% of the extra pay.

What is £40,000 after tax?

£40,000 a year is £32,320 after income tax and National Insurance (£2,693 a month) in England, Wales and Northern Ireland, and £32,255 in Scotland.

What is £30,000 after tax?

£30,000 a year is £25,120 after tax (£2,093 a month), or £25,155 in Scotland.

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