HMRC MILEAGE
Business mileage calculator
Estimate approved mileage allowance for business journeys in your own vehicle.
Estimated result
£5,000
- Employer paid
- £3,000
- Mileage allowance relief basis
- £2,000
- First 10,000 miles
- 45p per mile
For cars and vans. Tax relief is normally on the shortfall, not a cash repayment of the full amount.
SOURCES & REVIEW
Checked against official guidance
Last checked 14 July 2026 · Rule version GB-2026.27.1
GOV.UK: Expenses and benefits — business travel mileage ↗COMMON QUESTIONS
Frequently asked questions
Is this an exact quote or tax return?
No. It is an estimate based on the inputs and assumptions shown.
When was this checked?
The method and linked official guidance were reviewed for the current UK release.