Make confident financial decisions with our free calculators — designed for UK businesses, company directors, and freelancers.

Estimate your tax and National Insurance liabilities as a sole trader based on your income and expenses.

Quickly calculate how much income tax you’ll pay for the current UK tax year based on your annual earnings.

Work out the tax you’ll pay on dividends from shares or your limited company, including tax-free thresholds.

Find out how much NI you owe as an employee, employer, or self-employed based on your income.

Estimate how much CGT you’ll pay when selling assets like property, shares, or investments.

Break down your payslip to see how much tax, NI, and pension is deducted from your gross salary.

Calculate allowable mileage expenses and potential tax savings if you use your vehicle for work.

See what you’ll actually receive in your bank account after tax, NI, and pension deductions.
Yes, all of our calculators are 100% free to use. You don’t need to sign up, and there are no hidden costs — just fast, helpful insights for your business or personal finances.
These tools are designed to give accurate estimates based on current HMRC rates, but they are for guidance only. For filing or official use, we recommend speaking with a qualified accountant.
No. All calculations happen instantly in your browser. We don’t collect or store any personal or financial information you enter.
They’re ideal for UK taxpayers, including freelancers, limited company directors, small business owners, and anyone looking to understand their tax obligations or income more clearly.
We’re here to help. If you're unsure how to apply the results to your business or want expert advice on improving tax efficiency, just reach out to our team.
Let us help you simplify and grow your business today.
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