UK Tax Code Parser

Enter your UK tax code to understand its meaning and tax-free allowance

Please enter a valid UK tax code

💰 Annual Tax-Free Allowance

£12,570
This is the amount you can earn before paying Income Tax

📋 Tax Code Meaning

🧮 Monthly Tax-Free Allowance

£1,047.50
Tax-free amount per month

Common tax code examples (click to auto-fill):

Guide:
Numbers: Multiply by 10 to get the annual tax-free allowance (e.g. 1257 = £12,570)
Letter L: Standard tax-free allowance for most people
Letters M/N: Related to Marriage Allowance transfer
W1/M1: Week/Month emergency tax codes — tax is calculated per period, not cumulatively
BR/D0/D1: All income taxed at basic/higher/additional rate
0T: No personal allowance; tax applied at progressive rates
K prefix: Negative allowance — extra tax is deducted from your pay
S prefix: Scottish tax rates, C prefix: Welsh tax rates