Tax Year 2026/27

Self-Employed (Sole Trader) Calculator

Calculate your take-home pay, income tax bands, Class 2 & 4 National Insurance, student loans, pension relief, and payment on account — updated for the 2026/27 tax year.

Business Income

Student Loans

Pension

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Pension Tax Relief: Your pension provider claims 20% basic rate relief automatically. If you're a higher/additional rate taxpayer, claim the extra relief via Self Assessment.

Tax Breakdown

Turnover £0
Expenses −£0
Taxable Profit £0
Pension −£0
Personal Allowance £12,570
Income Tax −£0
Class 2 NI (£3.65/week) −£0
Class 4 NI −£0

Class 2 (£3.65/week if profit exceeds £12,570) and Class 4 (6%/2%) are standard self-employed rates. HMRC: Self-employed NI rates →

Student Loan −£0
Annual Take-Home £0
Monthly Take-Home £0
Effective Rate: 0.0%
Marginal Rate: 0.0%

Payment on Account

Total Tax Bill £0
1st PoA — 31 Jan −£0
2nd PoA — 31 Jul −£0

HMRC requires two payments on account, each equal to 50% of your previous year's tax bill. These are due on 31 January and 31 July. A balancing payment (or refund) is made with your Self Assessment return.

Pension Contribution Benefit

Gross Contribution £0
Basic Rate Relief (auto) £0
Higher Rate Relief (via SA) £0
Total Tax Saving £0

Your Tax Calendar

Assumptions & Limitations

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  • Self-employed NI: Class 2 at £3.65/week (if profit exceeds £12,570) and Class 4 at 6% (£12,570–£50,270) / 2% above. Rates may differ if you have a deferment certificate. HMRC: Self-employed NI rates →
  • Tax region: England, Wales & NI rates by default. Tick “Scottish taxpayer” for Scottish bands. HMRC: Income Tax rates →
  • Allowable expenses: Only genuine business expenses are deductible. This calculator does not validate what qualifies as an allowable expense. HMRC: Allowable expenses →
  • Payment on account: Calculated as 50% of total tax bill. You may reduce payments on account if you expect a lower bill next year. HMRC: Payments on account →
  • Pension relief: Personal contributions receive basic-rate relief at source; higher/additional rate relief must be claimed via Self Assessment. HMRC: Pension tax relief →
  • MTD: Making Tax Digital for Income Tax is mandatory from April 2026 for those with qualifying income above £50,000. HMRC: MTD for Income Tax →

This calculator is for illustrative purposes only and does not constitute financial or tax advice. Calculations are based on announced HMRC rates for the 2026/27 tax year. Always consult a qualified accountant or tax adviser for personalised guidance. Student loan repayment thresholds and rates are subject to annual review by the Student Loans Company.

Annual Take-Home £0
Monthly Take-Home £0