£18,641 net a year and £1,553 a month on a £21,000 salary in United Kingdom — an effective rate of 11.2% for 2026/2027.
| Component | Amount | % |
|---|---|---|
| Income Tax | £1,686 | 8.0% |
| National Insurance | £673 | 3.2% |
| Total Tax | £2,359 | 11.2% |
| Net Pay | £18,641 | 88.8% |
United Kingdom deducts £2,359 from £21,000, made up of Income Tax £1,686 and National Insurance £673. That leaves £18,641 a year, about £1,553 per month, an effective rate of 11.2%. The marginal rate here is about 28.0% — the rate applied to the next £1,000 of gross. On a monthly basis the same salary shows £1,750 gross and £1,553 net before the year is out. These are 2026/2027 rules for United Kingdom applied to a twenty-one thousand salary on its own, not an average for the income band.
Computed on 2026/2027 United Kingdom rules at each gross figure, so you can see what the next pay rise is actually worth.
| Gross a year | Total deductions | Net pay | Effective rate |
|---|---|---|---|
| £19,000 | £1,799 | £17,201 | 9.5% |
| £20,000 | £2,079 | £17,921 | 10.4% |
| £21,000 | £2,359 | £18,641 | 11.2% |
| £22,000 | £2,639 | £19,361 | 12.0% |
| £23,000 | £2,919 | £20,081 | 12.7% |
£21,000 a year in United Kingdom leaves £1,553 a month after £2,359 of yearly deductions (11.2% of gross). The weekly equivalent is £358 and the hourly figure, based on 2,080 hours, is £9.
On £21,000 the deductions are Income Tax £1,686 and National Insurance £673, a combined £2,359 or 11.2% of gross, which leaves £18,641 in net pay for the year. That is the position for a twenty-one thousand gross salary in United Kingdom under the 2026/2027 rules, before any personal reliefs you may be entitled to.
An hourly gross of £10 on £21,000 becomes £9 net in United Kingdom, assuming 2,080 hours a year. That is £358 a week in take-home pay.
At £21,000 the marginal rate in United Kingdom is about 28.0% — that is the rate charged on the next £1,000 of gross. The effective rate is lower, at 11.2%, because the earlier bands are taxed at less.
| Component | Amount | % |
|---|---|---|
| Total Tax | £2,359 | 11.2% |
| Net Pay | £18,641 | 88.8% |
Every number on this page is computed by the TaxYourSalary tax engine from published United Kingdom rates — it is not an estimate, an average, or a figure carried over from another salary.
| Rates published by | HM Revenue & Customs (HMRC) |
|---|---|
| Tax year applied | 2026/27 |
| What the source covers | Income tax bands and the personal allowance, plus National Insurance for employees from GOV.UK's own rates pages. |
| Figures last compared | 19 September 2026 |
Spotted a figure that disagrees with the source? Tell us and we will correct it — see our editorial policy.
Same salary, other pay periods: Annual · Biweekly · Weekly · Hourly
The gross figure of £21,000 in United Kingdom becomes £18,641 net once £2,359 has been deducted.The headline rates describe slices, not the total: the effective rate here is 11.2%. The marginal rate on the next £1,000 is 28.0%, which returns £720 to you.
A rise to £22,050 — 5% above this level — leaves £756 extra in the year, or £63 a month, charged at 28.0%.
Monthly the net figure is £1,553, fortnightly £717, weekly £358 and hourly £9 for a 2080-hour year. Over five years, £93,204 stays with you against £11,796 paid over.
| Gross salary | Net per year | Net per month | Total tax | Effective rate | Marginal rate |
|---|---|---|---|---|---|
| £17,000 | £15,761 | £1,313 | £1,239 | 7.3% | 28.0% |
| £18,000 | £16,481 | £1,373 | £1,519 | 8.4% | 28.0% |
| £19,000 | £17,201 | £1,433 | £1,799 | 9.5% | 28.0% |
| £20,000 | £17,921 | £1,493 | £2,079 | 10.4% | 28.0% |
| £21,000 | £18,641 | £1,553 | £2,359 | 11.2% | 28.0% |
| £22,000 | £19,361 | £1,613 | £2,639 | 12.0% | 28.0% |
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