How much mileage deduction can I claim for 2026 or 2027 planning?
Use this mileage deduction calculator to estimate the tax deduction for business driving. Enter business miles, total miles, and vehicle expenses to compare the standard mileage method with an actual expense approach.
mileage deduction calculator
Quick answer
Business mileage deductions are usually estimated with either the IRS standard mileage rate or actual vehicle expenses allocated by business use. Good mileage records are essential for either method.
Also answers
- business mileage calculator
- IRS mileage rate calculator
- standard mileage deduction
- actual vehicle expense calculator
Good fit when
- Estimating vehicle deductions for Schedule C
- Comparing standard mileage and actual expenses
- Planning mileage logs before filing
Have ready
- Business miles and total miles
- Vehicle expenses and business-use percentage
- Tax year and method assumptions
Result you get
Estimated mileage deduction and method comparison.
How this calculation works
- Applies the IRS standard mileage rate to business miles.
- Summarizes the estimated deduction for Schedule C.
- Reminds you about substantiation and recordkeeping.
Common mistakes and caveats
- Standard mileage rules differ for some vehicle types.
- Actual expense method is not calculated unless you enter full costs.
- Personal miles are not deductible.
FAQ
Do I need a mileage log?
Yes. The IRS expects a contemporaneous log showing business miles driven.
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