🧮 Free Tool

Tax Calculator

Estimate your income tax, National Insurance, and take-home pay as a sole trader or landlord for the 2025/26 tax year.

📊 Your Income

Total income from self-employment before expenses
Costs you can deduct (supplies, travel, repairs, etc.)
Income from a PAYE job, if any — this affects your tax band

📋 Tax Breakdown

Income

Gross Income
Expenses
Other Income (PAYE)
Taxable Profit

Income Tax

Personal Allowance
Basic Rate (20%)
Higher Rate (40%)
Additional Rate (45%)
Total Income Tax

National Insurance

Class 2 NI
Class 4 NI
Total NI
Estimated Take-Home Pay
Effective tax rate:
Estimated quarterly tax set-aside

Need to submit your quarterly updates to HMRC? QuarterBridge connects your spreadsheet directly — no migration needed.

Get Started — £10/mo
⚠️ Disclaimer: This calculator provides estimates only based on 2025/26 UK tax rates and thresholds. It does not account for all possible allowances, reliefs, or individual circumstances. This does not constitute tax advice. For personal tax advice, please consult a qualified accountant or HMRC directly.