Mileage Deduction Calculator
Calculate your IRS mileage deduction for business driving.
Enter business miles driven to get your tax deduction amount for the current year.
Mileage Deduction
IRS Standard Mileage Rate allows you to deduct a fixed amount per mile driven for business purposes instead of tracking actual vehicle expenses.
2025 IRS Mileage Rates:
- Business: 70 cents per mile ($0.70)
- Medical/Moving (military): 21 cents per mile ($0.21)
- Charity: 14 cents per mile ($0.14)
Imperial formula:
Deduction = Business Miles x IRS Rate per Mile
Metric conversion:
Miles = Kilometers x 0.621371
Deduction = (Kilometers x 0.621371) x IRS Rate per Mile
What qualifies as business miles:
- Driving between work locations
- Client/customer visits
- Business errands
- Travel to temporary work locations
- NOT your regular commute to/from your office
Standard mileage vs. actual expenses:
- Standard method: simple, per-mile deduction
- Actual method: deduct gas, insurance, repairs, depreciation proportionally
- You must choose one method for each vehicle
- Can switch between years but restrictions apply
Record-keeping requirements:
- Date of each trip
- Business purpose
- Starting and ending locations
- Miles driven
- Keep a mileage log or use a tracking app
Note: Use the most current IRS rates for your tax year. Rates shown are for 2025.