Lease Mileage Calculator
Calculate predicted excess mileage fees and monthly savings needed for your lease
Calculate Lease Mileage Overage
Total duration of your lease agreement
Time left until lease expires
Total miles you've driven so far on this lease
Miles per year allowed without penalty (typically 10,000-15,000)
Cost per mile over allowance (typically $0.15 - $0.30 per mile)
Lease Mileage Analysis
Current Usage Analysis
Formula Breakdown
Formula: s + [s × t / (T - t)] - (A × T / 12)
s: Current miles (0)
t: Remaining months (0)
T: Total lease months (0)
A: Annual allowance (0)
Example Calculation
3-Year Car Lease Example
Total lease term (T): 36 months
Remaining time (t): 12 months
Current miles driven (s): 20,000 miles
Annual mileage allowance (A): 12,000 miles/year
Excess distance fee: $0.25 per mile
Step-by-Step Calculation
1. Total allowed miles: (12,000 × 36) ÷ 12 = 36,000 miles
2. Projected total miles: 20,000 + (20,000 × 12) ÷ (36 - 12) = 30,000 miles
3. Excess miles: 30,000 - 36,000 = 0 miles (no overage)
4. Charge: 0 × $0.25 = $0.00
Lease Mileage Tips
Track Regularly
Monitor your mileage monthly to avoid surprises
Plan Ahead
Start saving early if you expect to exceed limits
Alternative Transportation
Use public transit for long trips to save miles
Quick Reference
Understanding Lease Mileage Calculations
What is Lease Mileage Overage?
Lease mileage overage occurs when you drive more miles than your lease agreement allows. Most leases include an annual mileage allowance (typically 10,000-15,000 miles per year), and exceeding this limit results in per-mile fees at lease end.
Why Monitor Mileage?
- •Avoid unexpected charges at lease end
- •Plan budget for potential overage fees
- •Adjust driving habits if necessary
- •Consider early lease termination if severely over
Calculation Formula
Excess Miles = s + [s × t / (T - t)] - (A × T / 12)
- s: Current miles driven
- t: Remaining lease time (months)
- T: Total lease term (months)
- A: Annual mileage allowance
Note: This formula projects your total mileage based on current driving patterns and calculates the expected overage at lease end.