Mileage Deduction Estimator
Multiply business miles by the per-mile rate you use and add parking and tolls. Use your tax authority's current rate.
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Free tools
Free mileage calculators: standard-mileage deduction and business-use percentage. They run in your browser.
Vehicle Business-Use Percentage Calculator
Find the business-use share of a vehicle from your mileage log and split actual vehicle costs into business and personal parts.
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