What is the 2026 mileage rate?

72.5 cents per mile for January through June, 76 cents for July through December. The IRS raised it mid-year, so dates on your trips matter.

Can W-2 employees deduct mileage?

Generally no, on the federal return. If you drive for work as an employee, get reimbursed by your employer instead. The deduction is for the self-employed.

Standard mileage or actual expenses?

Standard mileage is simpler and wins for most drivers. Actual expenses can win for expensive vehicles with high costs. You choose per vehicle, per year, so check with your accountant before switching.

Keep a mileage log without the notebook

Last updated: October 18, 2026

Quick answer

Tell the AI your trips each week in plain words and it builds a dated mileage log with the date, destination, purpose, and miles the IRS asks for.

At a glance

All outcome figures are estimates from cited sources, not independent verification by us.

What it is allowed to do: Drafts for you
Writes drafts (emails, posts, plans, replies). You review and send. Nothing goes out without you.
Time saved (estimate): Saves an estimated 30 minutes a month vs reconstructing trips from memory.
Difficulty: Beginner
Tools needed: ChatGPT
Typical cost: Free tiers of ChatGPT or Claude handle this. Dedicated apps like MileIQ automate the GPS part if you want it.

Basis (estimate): Your own estimate: weekly 10-minute logging vs an annual scramble through calendars and guesses. Not measured.

What does this setup do?

Turn plain-words trip notes into an IRS-ready mileage log with dates and business purposes

Who is it for?

Someone who drives for work and keeps meaning to log miles but never does

How do you set it up?

Tools

ChatGPT or Claude (free tier works)
Your trip notes: where you went, why, roughly how far

Steps

At the end of each week, jot down your business trips: date, where you went, why, and the miles.
Paste the prompt below with your trips.
The AI formats them into a log: date, destination, business purpose, miles.
Add your odometer reading at the start and end of the year. The IRS wants both.
Save the log where you keep tax documents. Append weekly.
At tax time, multiply business miles by the IRS standard rate for that period.

Example output

Illustrative. Your results will differ.

Your input turned into a clear, prioritized plan
Next 3 actions with dates, in priority order
You stay in charge. The agent just organizes.

Where to paste this prompt

ChatGPT: ChatGPT → Project instructions, or ChatGPT Tasks for scheduled reminders (once a day on Free)

Copy-paste prompt

Adapt bracketed fields to your situation.

Build my mileage log for this week. Here are my trips in plain words: [LIST EACH TRIP: date, where I went, why, approximate miles]. Format them as a log with columns: date, destination, business purpose, miles. Flag any trip that looks like commuting (home to a regular workplace), since that does not count. Keep a running total of business miles. If a purpose is vague, ask me to clarify instead of guessing.

Newsletter

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Free starter pack with five beginner copy-paste prompts after you confirm, plus three sourced setups in your inbox each week. Unsubscribe anytime.

What usually goes wrong?

Where agents tend to stall on this job. More patterns in Where AI gets stuck.

Reconstructing the whole year in April from memory. The IRS specifically rejects rebuilt logs.
Logging commuting miles. They do not qualify, and including them poisons the whole log.
Vague purposes like "business". Write what you actually did: "client meeting with Acme" counts.
W-2 employees: you generally cannot deduct unreimbursed mileage on your federal return. This log is for reimbursement or for the self-employed.

Which chat tools work with this prompt?

Paste the prompt into any of these assistants (free or paid tiers).

ChatGPT
Claude

Common questions

What is the 2026 mileage rate?: 72.5 cents per mile for January through June, 76 cents for July through December. The IRS raised it mid-year, so dates on your trips matter.
Can W-2 employees deduct mileage?: Generally no, on the federal return. If you drive for work as an employee, get reimbursed by your employer instead. The deduction is for the self-employed.
Standard mileage or actual expenses?: Standard mileage is simpler and wins for most drivers. Actual expenses can win for expensive vehicles with high costs. You choose per vehicle, per year, so check with your accountant before switching.

What tips make it smoother?

Log weekly, not yearly. The IRS wants contemporaneous records, made at or near the time of the trip.
Commuting does not count. Home to your regular workplace and back is never business mileage.
Record odometer readings on January 1 and December 31. It takes 30 seconds and the IRS expects it.
For 2026 the IRS rate is split: 72.5 cents per mile January through June, 76 cents July through December.

Where do the claims come from?

Summaries use public sources linked below, not independent verification. How setups are picked.

Read SelfEmployTax’s write-up (selfemploytax.com)
SelfEmployTax: IRS mileage log requirements: date, destination, purpose, odometer readings, contemporaneous records.
Read Way’s write-up (www.way.com)
Way: How to build a mileage report: the four facts per trip, the 2026 split rates, common denial reasons.

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