Driver-Tax.co.uk

UK Driver Tax & Mileage Saver

Instantly calculate your HMRC take-home pay, mileage relief and National Insurance — free for self-employed drivers in 2025/26.

HMRC Compliant 2025/26 Free Calculator Instant Results

Enter Your Details

Gross Earnings (before expenses)

Earnings Period

Annual Business Mileage (miles)

Other Allowable Expenses (annual total)

🔒 100% Private: Your data is processed locally on your device and is never stored on our servers.

Your Tax Breakdown

Estimated Monthly Take-Home

£0.00

Annual: £0.00

Income Tax £0.00

Class 4 NI £0.00

Mileage Savings £0.00

Total Expenses £0.00

Where Your Money Goes

Take-Home Pay

Income Tax

Nat. Insurance

Expenses & Relief

💡 View Calculation Steps & Logic

Step 1 — Annualised Gross Earnings

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Step 2 — HMRC Mileage Relief (AMAP 2025/26)

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Total Mileage Relief —

Step 3 — Net Taxable Profit

Other Allowable Expenses —

Total Deductions (Mileage Relief + Expenses) —

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Step 4 — Income Tax (Self Assessment)

Personal Allowance (2025/26 tax-free threshold) −£12,570.00

Taxable Income —

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Total Income Tax —

Step 5 — Class 4 National Insurance

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Total Class 4 NI —

Estimates based on HMRC 2025/26 rates for self-employed sole traders. Income tax uses basic rate (20%) and higher rate (40%) bands. Class 4 NI at 6% and 2%. Personal allowance taper above £100,000 not applied. This tool is for guidance only and does not constitute financial or tax advice. Consult a qualified accountant for personalised advice.