What Counts as Business Mileage for a Tax Deduction?

For the 2026 tax year, business mileage is any driving you do for work beyond your regular commute, and the IRS lets qualifying taxpayers deduct it at 72.5 cents per mile.¹ What counts as business mileage for a tax deduction comes down to three things: where the trip starts, where it ends, and whether you’re self-employed or someone else’s W-2 employee. Get any of those wrong and you either lose the deduction or invite a penalty.

Trips the IRS Counts as Business Mileage

Several categories of driving qualify. The most common is going between two work locations in the same day, such as leaving your main office for a satellite location or a job site across town. Visits to clients or prospective customers at their locations also count, whether the visit is a formal meeting or a routine service call.²

Local business errands are deductible too. Picking up office supplies, dropping off deposits for your company, or heading to the post office to mail invoices all generate business miles.

Travel to a temporary work location is deductible even if it’s within your normal metro area, as long as you realistically expect the assignment to last one year or less and it actually does.² If the work stretches past a year, or you expected it to from the start, the site becomes a regular workplace and the drive there becomes a nondeductible commute. If your expectation changes partway through, the location turns indefinite from that date forward.

Professional development trips qualify when they directly relate to your current work. Driving to an industry conference, a continuing education seminar, or a trade show counts, so long as the event benefits your existing trade or business rather than a new career you’re exploring.²

The Commute That Doesn’t Count

Your daily drive between home and your regular workplace is never deductible. The IRS treats it as a personal choice about where you live, not a business expense, and distance doesn’t change that. The rule rests on your “tax home,” meaning the general area of your main place of business.²

Two exceptions matter, and both are commonly missed.

When You Have a Qualifying Home Office

If your home office qualifies as your principal place of business, every trip from your home to another work location in the same business is deductible, even if that other location is permanent and no matter the distance.² Your business day starts at your home office, so the first and last trips of the day are business miles, not commuting. The space has to meet the rules under Section 280A, which generally means an area used regularly and exclusively for business.³ For freelancers and remote workers, this is one of the most valuable mileage rules on the books.

When You Drive to a Temporary Site

If you have a regular workplace but also travel to a temporary job site, the trip from home to that temporary site is deductible.² The same one-year test applies. Once the assignment is expected to run longer than a year, or actually does, the trips become commuting from that point on.

Mixing Personal Stops Into a Business Trip

Personal detours don’t wipe out the whole trip, but they don’t stretch it either. You deduct only the miles the direct business route would have taken. Drive from your office to a client meeting 30 miles away and swing by a friend’s house for a 10-mile detour, and you deduct 30 miles, not 40. The same logic runs through out-of-town travel: the cost of getting to and from the business destination is deductible; added expense from personal side trips is not.²

Who Can Actually Deduct Business Mileage in 2026

Whether qualifying trips do you any good on your return depends entirely on how you earn your income. This is where most people trip up.

Self-employed individuals, meaning sole proprietors, independent contractors, freelancers, and gig workers, can deduct business mileage on Schedule C. Every mile driven for the business qualifies, subject to the rules above.⁴

W-2 employees generally cannot deduct unreimbursed mileage. The Tax Cuts and Jobs Act eliminated that deduction starting in 2018, and the One Big Beautiful Bill Act made the elimination permanent. Four narrow categories can still file Form 2106: Armed Forces reservists, qualified performing artists, fee-basis state or local government officials, and employees with impairment-related work expenses.⁵ Everyone else on a W-2 should focus on getting a mileage reimbursement from the employer, because the deduction isn’t there anymore.

Charitable, medical, and military moving mileage have their own separate rates and rules and aren’t part of the business mileage deduction.

Rideshare, Delivery, and Other Gig Work

If you drive for a rideshare platform or deliver food and packages, you’re self-employed and your driving goes on Schedule C. Every mile driven while you’re online and available for rides or deliveries counts, including miles between pickups when you’re waiting for the next request. Business errands connected to the work, like heading to a car wash, buying supplies for passengers, or attending a driver information session, also count.

The miles that don’t count are personal ones. Driving from your home to the area where you start accepting rides is generally a commute, unless your home qualifies as your principal place of business under the home office rules. Once you go online and start accepting work, the meter starts. When you log off from your last drop-off and head home, that return trip is typically deductible, since you’re returning from a business location. Given the mileage volume gig work generates, a GPS-based tracking app from day one is the only realistic way to keep the records the IRS expects.⁴

What Your Mileage Log Has to Show

A mileage log is not optional. The IRS wants records kept at or near the time of each trip, not reconstructed from memory at tax time. For every business trip, you need four things:

The date of the trip.
The destination, or the route for local driving.
The business purpose. “Client meeting with Smith Co.” beats “business.”
The miles driven.

Also record your odometer at the start and end of each tax year. That gives you total annual miles, which you need to figure the business-use percentage if you’re using actual vehicle expenses instead of the standard rate.²

Paper logbooks work, but GPS-based apps are more reliable and harder to challenge. Consistency matters. Entries for January and February that go blank until December will raise questions. If your records fail an audit, the IRS can disallow the deduction entirely and add a 20% accuracy-related penalty on the resulting underpayment.⁶

Tolls and business-related parking are deductible on top of the 72.5-cent standard rate, so hold onto those receipts too.⁷

Where the Deduction Gets Reported

Self-employed filers report vehicle expenses on Schedule C (Form 1040), using Part IV for vehicle information and carrying the deduction into business income. Farmers use Schedule F instead.⁷ The few W-2 employees who still qualify file Form 2106 and carry the result to Schedule 1.⁵ You’ll also choose between the standard mileage rate and the actual expense method, which tracks fuel, maintenance, insurance, depreciation, and the rest against your business-use percentage.⁴ Whichever form and method you use, keep the log and receipts for at least three years after filing. That’s the standard audit window, and records lost after the fact are the same as records never kept.

1
Internal Revenue Service. 2026 Standard Mileage Rates Notice 2026-10
2
Internal Revenue Service. Publication 463 (2025), Travel, Gift, and Car Expenses
3
Office of the Law Revision Counsel. 26 USC 280A – Disallowance of Certain Expenses in Connection With Business Use of Home
4
Internal Revenue Service. Topic No. 510, Business Use of Car
5
Internal Revenue Service. 2025 Instructions for Form 2106 – Employee Business Expenses
6
Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments
7
Internal Revenue Service. Topic No. 511, Business Travel Expenses