Your details

Gross business income Total turnover before expenses

Business expenses Allowable deductions

Advanced options

Pension contributions Annual amount — reduces income tax and Class 4 NI

Student loan plan 9% (or 6% PG) on income above the plan threshold

Trading Allowance Use £1,000 flat deduction when your expenses are under £1,000

Your results

Estimated take-home pay

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Total tax & NI

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Effective rate

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Marginal rate

Tax breakdown

Quarterly tax (est.)

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Payment on account estimate

Monthly take-home

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After tax & expenses

Chart & tax brackets

Profit after expenses — tax vs take-home

Estimates only — not tax advice. Confirm with HMRC or a qualified accountant.

UK Sole Trader Tax Calculator

Tax estimator