Example: Annual mileage allowance: 12,000 mi · Lease length: 3 yrs · Miles you expect to drive per year: 15,000 mi · Overage fee: 25 ¢/mile → Projected overage charge: $2,250.
Miles over allowance: 9,000
Total allowance: 36,000 miles
Frequently asked questions
How do I calculate lease mileage? Enter your numbers above and the result updates instantly. For example: Annual mileage allowance: 12,000 mi · Lease length: 3 yrs · Miles you expect to drive per year: 15,000 mi · Overage fee: 25 ¢/mile → Projected overage charge: $2,250.
Is this Lease Mileage Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for lease mileage. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.