HMRC Mileage
Deduction Tool
Driving for Deliveroo, Uber, or a client? Calculate your 45p/mile allowance and lower your tax bill legally.
Standard Mileage Rates
Business miles only. Commuting doesn't count.
What is MAR?
The Mileage Allowance Relief (MAR) is a simplify way to claim for your fuel, insurance, and wear & tear without keeping receipts for every petrol fill-up.
This amount is subtracted from your Trading Profit, reducing the total tax you owe.
What you can claim:
How mileage allowance works
If you use your own vehicle for business purposes (excluding your commute to a regular workplace), HMRC allows you to claim a "Simplified Expense" per mile. This rate is designed to cover fuel, insurance, servicing, and wear & tear all in one go.
What is "Simplified Expenses"?
HMRC Approved Mileage Rates (2026/27)
Cars & Vans
45p per mile for the first 10,000 miles. 25p per mile thereafter.
Motorcycles
24p per mile for all business mileage.
Bicycles
20p per mile for all business mileage (Yes, you can claim for cycling!)