Mileage allowance
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What it really means
Money paid per mile when you use your own car for work, to cover fuel and wear. HMRC sets an approved rate per mile up to which it's tax-free. It does not usually cover your normal commute.
Chinese explanation
里程津贴（mileage allowance）：因公使用私家车时按英里支付的补贴，用于抵偿油费和车损。HMRC 设定了一个每英里的免税上限费率。通常不包括你的日常通勤。
Example conversation
A: I drove ninety miles to the site.
B: Log it for mileage allowance — there's a set rate per mile.
A：我开了九十英里去现场。
B：登记里程津贴——每英里有固定费率。
Official sources
Rules and amounts change — confirm important details with the official source.
Go deeper
All Work & Jobs
Reviewed by the UK Decoded editorial team
· Last checked 24 July 2026 · Report a mistake