Pick any two UK PAYE tax codes and we will line up the allowance, emergency status, region and approximate annual tax on a £30,000 salary so you can see exactly how they differ.
Last updated 2026-04-12
| Attribute | BR | K50 |
|---|---|---|
| Category | BasicRate | KCode |
| Region | rUK | rUK |
| Allowance | £0 | £-500 |
| Emergency / non-cumulative | No | No |
| Approx. annual tax on £30k | £6,000 | £6,100 |
| In one sentence | All income from this source taxed at 20%, no personal allowance. | Adds £500 to your taxable pay because untaxed income exceeds your allowance. |
Bottom line on £30k
On a £30,000 salary, BR deducts roughly £6,000 in income tax per year vs £6,100 for K50. That is a difference of £100 per year - BR is less expensive.
Hand-picked side-by-sides that answer the most-searched UK tax-code questions.
Upload your payslip and we will tell you whether the code being applied is correct for the pay you actually received.
Check My Payslip