UK Driver Tax Calculator 2025/26 | Free HMRC Mileage & Tax Saver

Enter Your Details

Gross Earnings (before expenses)

Earnings Period

Choose Expense Method

Annual Business Mileage (miles)

Other Non-Vehicle Expenses (annual total)

Include: Licensing fees, business phone bills, dashcams, passenger supplies, or accountant fees.
Do NOT include fuel, insurance, or repairs — these are already covered by your mileage rate.

Total Business Expenses (annual total)

Include: Fuel, taxi insurance, servicing, repairs, licensing fees, phone bills, and all other business costs combined.

Hours Worked per Week (optional)

🔒 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

Real Hourly Earnings

net take-home per hour worked

Enter hours above ↑

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

— —

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

— —

Total Mileage Relief —

Step 3 — Net Taxable Profit

Other Non-Vehicle Expenses —

Total Deductions (Mileage Relief + Expenses) —

— —

Step 4 — Income Tax (Self Assessment)

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

Taxable Income —

— —

Total Income Tax —

Step 5 — Class 4 National Insurance

— —

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.