£18,000 salary after tax — the UK, 2026/27

On a gross salary of £18,000 in 2026/27, you take home £16,479.60 in the UK after income tax and National Insurance. That is £1,373.30 a month and £316.92 a week.

£16,480Take-home per year
£1,373Per month
£1,086Income tax
£434National Insurance

The full calculation

Gross salary£18,000.00
Personal Allowance£12,570.00
Taxable income£5,430.00
Income tax−£1,086.00
National Insurance−£434.40
Take-home pay£16,479.60

Income tax by band

Tax bandAmount taxedTax
Basic rate — 20%£5,430.00£1,086.00

Overall, 8.4% of this salary goes in tax and National Insurance. On each extra £100 earned at this level, £28 would be lost to tax and National Insurance (a 28% marginal rate) — before any pension or student loan effects.

For comparison, the same salary in Scotland leaves £16,519.27 — that is £39.67 more than in the UK.

← £17,000 after tax £19,000 after tax →

Want to add a pension or student loan, or try a different figure? Use the take home pay calculator.

Frequently asked questions

How much tax do I pay on a £18,000 salary?

In 2026/27 a £18,000 salary in the UK pays £1,086.00 income tax and £434.40 National Insurance, leaving take-home pay of £16,479.60.

What is £18,000 a month after tax?

£1,373.30 a month — £16,479.60 a year, or £316.92 a week, for 2026/27.

What if I pay 5% into a pension on £18,000?

A 5% pension contribution is £900.00 a year. Through a net pay arrangement your take-home becomes £15,759.60 — the contribution costs you £720.00 of take-home because of the tax relief.