Mileage Reimbursement Calculator
Calculate IRS standard mileage reimbursement for business, medical, and charitable driving. Enter values for instant results with step-by-step formulas.
Reviewed by Raz Mohammad, Tax & Salary Specialist
Formula
Reimbursement = Miles Driven x IRS Standard Rate
The IRS sets standard mileage rates annually for business, medical, and charitable driving. The business rate covers all operating costs including fuel, depreciation, insurance, and maintenance. Tolls and parking are added separately. Rates differ because business covers fixed and variable costs while medical and charity rates only cover variable operating costs.
Worked Examples
Example 1: Sales Representative Annual Mileage
Problem:A sales rep drives 12,000 business miles, 300 medical miles, and 150 charity miles in 2024. Tolls and parking total $800.
Solution:Business: 12,000 x $0.670 = $8,040.00\nMedical: 300 x $0.210 = $63.00\nCharity: 150 x $0.140 = $21.00\nTolls & Parking: $800.00\nTotal Reimbursement: $8,040 + $63 + $21 + $800 = $8,924.00\nMonthly average: $8,924 / 12 = $743.67
Result:Total Reimbursement: $8,924.00 | Business: $8,040 | Monthly: $743.67
Example 2: Standard vs Actual Expense Comparison
Problem:Compare methods for 8,000 business miles. Actual costs: $2,400 gas, $800 insurance, $600 maintenance, $2,000 depreciation (60% business use).
Solution:Standard Mileage: 8,000 x $0.670 = $5,360\nActual Expenses:\nTotal costs: $2,400 + $800 + $600 + $2,000 = $5,800\nBusiness portion (60%): $5,800 x 0.60 = $3,480\nStandard method advantage: $5,360 - $3,480 = $1,880\nThe standard mileage rate yields a higher deduction in this case.
Result:Standard: $5,360 | Actual: $3,480 | Standard saves $1,880
Frequently Asked Questions
What are the current IRS standard mileage rates and how are they determined?
The IRS updates standard mileage rates annually based on an annual study of the fixed and variable costs of operating an automobile. For 2024, the business rate is 67 cents per mile, the medical and moving rate is 21 cents per mile, and the charitable rate is 14 cents per mile. The business rate accounts for gas, oil, tires, maintenance, insurance, registration, and depreciation costs. The medical and charitable rates are lower because they only cover variable costs like gas and oil, not fixed ownership costs. The IRS commissions an independent study each year that analyzes fuel prices, vehicle depreciation data, insurance averages, and maintenance costs to set these rates. Notably, the charitable rate is fixed by statute and rarely changes, unlike the business and medical rates which fluctuate with actual driving costs.
What driving qualifies for business mileage reimbursement?
Business mileage includes driving from one work location to another, visiting clients or customers, going to meetings or conferences, traveling to the bank or post office for business purposes, and driving to temporary work locations. Critically, commuting from your home to your regular office does not qualify as business mileage under IRS rules. However, if you have a qualifying home office, driving from home to any work location may count as business travel since your home is your primary place of business. Travel between two workplaces always qualifies. Self-employed individuals can deduct business mileage on Schedule C, while employees may receive tax-free reimbursement from employers under an accountable plan. The key requirement is maintaining a contemporaneous mileage log with dates, destinations, business purposes, and miles driven for each trip.
How should I keep a mileage log for IRS compliance?
The IRS requires a contemporaneous written record, meaning you must log each trip at or near the time it occurs rather than reconstructing records at year end. Your mileage log must include the date of each trip, the starting location and destination, the business purpose of the trip, and the odometer reading or total miles driven. You should also record your odometer reading at the start and end of each tax year to establish total miles driven. Acceptable formats include paper logbooks, spreadsheets, and mobile apps designed for mileage tracking. Many tax professionals recommend mileage tracking apps because they use GPS to automatically record trips, reducing the chance of forgotten entries. The IRS can deny your entire mileage deduction if your records are inadequate, so consistent logging is essential. Keep your mileage records for at least three years after filing the related tax return.
References
Reviewed by Raz Mohammad, Tax & Salary Specialist · Editorial policy