Self-Employed Tool

HMRC Tax Estimator

Slide or enter your figures below to instantly calculate an estimate of your 2025/2026 UK self-employed Income Tax and Class 4 National Insurance contributions.

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Annual Income (Revenue)

£35,000

£5,000£150,000

Allowable Business Expenses

£5,000

£0£50,000

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Business expenses must be solely for business operations. Our accountants ensure everything from home office allocations to software costs are optimised to reduce your final bill.

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Estimate only. This calculator provides a guide and should not be treated as tax advice. For accurate advice based on your personal circumstances, please contact HMX Accounting.

Est. Financial Summary — 2025/2026

Net Profit£30,000.00

Personal Allowance£12,570.00

Taxable Income£17,430.00

Income Tax£3,486.00

Class 4 NI£1,045.80

Class 2 NI£179.40

Total Tax Liability£4,711.20

Your Take-home Pay£25,288.80

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HMRC Compliant

Our logic is updated in line with the latest UK tax legislation and thresholds.

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Expert Support

Dedicated UK-based accountants ready to review your figures before final submission.

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Fast Filing

We handle your self-assessment submission directly with HMRC on your behalf.

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Important Disclaimer

This calculator provides an estimate only and should not be treated as tax advice. Actual figures will vary based on your personal circumstances, employment status, allowances and HMRC assessments. For accurate advice tailored to your situation, please contact HMX Accounting.

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