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Compare UK Tax Codes

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

Illustration: £30,000 gross / year
AttributeK600SK700
CategoryKCodeScottish
RegionrUKScotland
Allowance£-6,000£-7,000
Emergency / non-cumulativeNoNo
Approx. annual tax on £30k£7,200£7,400
In one sentenceAdds £6,000 to your taxable pay because untaxed income exceeds your allowance.Scottish K code: adds £7,000 to taxable pay, taxed at Scottish rates.

Bottom line on £30k

On a £30,000 salary, K600 deducts roughly £7,200 in income tax per year vs £7,400 for SK700. That is a difference of £200 per year - K600 is less expensive.

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