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Free UK Estimator

UK Self Assessment Tax Calculator

Estimate your UK self-employed tax — income tax bands plus Class 4 National Insurance — for your Self Assessment.

Estimated total tax

£10,529

Effective rate 20.3% on £52,000 net profit

Income tax£8,232
Class 4 National Insurance£2,297
Set aside each quarter£2,632

Stop guessing at tax time. MoneyFeed tracks every expense from WhatsApp and builds this automatically for United Kingdom.

Estimates use 2025/26 UK figures (HMRC): the £12,570 Personal Allowance, Income Tax bands (20% / 40% / 45%) and Class 4 National Insurance (6% between £12,570 and £50,270, then 2%). Scottish income tax rates and Class 2 NI are not modelled. Simplified estimate for planning only — not tax advice.

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Calculating tax is only part of the job

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Calculators by country

🇺🇸United States (1099)🇬🇧United Kingdom🇨🇦Canada🇩🇪Germany🇪🇸Spain (Autónomo)🇫🇷France (Micro)🇦🇺Australia🇳🇿New Zealand🇦🇪UAE (VAT)🇸🇦Saudi Arabia (VAT)

Guides for your region

🏴 Scotland tax guide🇮🇪 Ireland tax guide
Read our freelancer tax guides