Breakdown
On a salary of £45,000 in 2026/27, the first £12,570.00 is covered by the tax-free Personal Allowance, leaving £32,430.00 of taxable pay. Income Tax on that comes to £6,486.00 at the rates for England, Wales and Northern Ireland (basic rate 20%), using HMRC's Rates and thresholds for employers 2026 to 2027. National Insurance at category A is £2,593.92, charged at 8% on earnings between £12,570 and £50,270 and 2% above (HMRC, 2026 to 2027). Together that is £9,079.92 a year, an overall rate of 20.2% of gross pay, and take-home pay is £35,920.08. A workplace pension, a student loan or a different tax code would change these figures.
Frequently asked questions
How much is £45,000 a year after tax per month?
A £45,000 salary leaves £2,993.34 a month after Income Tax and National Insurance in 2026/27, with tax code 1257L and no pension or student loan. In Scotland it is £2,960.34 a month.
How much tax do I pay on £45,000?
Income Tax is £6,486.00 and National Insurance is £2,593.92 a year, £9,079.92 in total (HMRC, Rates and thresholds for employers 2026 to 2027).
What is £45,000 a year as an hourly rate?
At 37.5 hours a week, £45,000 a year is £23.08 an hour before tax and £18.42 an hour after Income Tax and National Insurance.