Business Vehicle Calculator

Your vehicle

Purchase price Business-use % the share of miles that are for business — must be over 50% to use bonus/§179 Gross vehicle weight rating (GVWR) on the driver's door-jamb sticker — the "6,000 lb" line Your combined marginal tax rate (%)

Business-use share of the cost$64,000

First-year deduction$64,000

Illustrative first-year tax saved$20,480

Keep a mileage log. If business use later drops below 50%, part of the deduction is recaptured (added back to income).

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Educational only — not tax, legal, or financial advice. ScanMyTaxes is a software tool, not a tax preparer or advisor, and does not prepare or file returns. Every figure here is an estimate based on the information you enter; results are not guaranteed and depend on your specific situation. Confirm all strategies, eligibility, and numbers with your own qualified tax professional before acting. Using this tool does not create a client relationship.