How £45,000 is taxed in 2026/27
The first £12,570 of a £45,000 salary is covered by the personal allowance and is tax-free, leaving £32,430 in taxable income. Income Tax is charged progressively — 20% up to £50,270, 40% up to £125,140 and 45% above — so a £45,000 earner pays about £6,486 in Income Tax. The top of this salary sits in the 20% band.
On top of Income Tax, employee National Insurance takes 8% of earnings between £12,570 and £50,270 and 2% above, adding about £2,594. Together, Income Tax and National Insurance come to £9,080 on a £45,000 salary, leaving £35,920 take-home.
Monthly and weekly pay
Spread across the year, £35,920 take-home is about £2,993 a month or £691 a week. Before tax, £45,000 is roughly £23.08 per hour on a 37.5-hour working week.
Estimate for England, Wales & Northern Ireland, 2026/27 (Scotland has different bands). Personal allowance £12,570 (tapered above £100k); 20/40/45% Income Tax bands; employee NI 8%/2%. Excludes pension salary sacrifice, student loan and tax-code adjustments. Not tax advice — verify at GOV.UK.