Mileage is the expense that gets forgotten, argued over, or paid three months late. Add each trip, or just the total miles, and see exactly what is owed at the 2026 IRS rate or your own rate, with a summary you can paste straight into an expense claim. Free, and no signup needed.
Is this you?
If two or more sound familiar, the fix is a trip list and one agreed rate. The calculator below builds both.
These boxes are filled in with three example trips, not real ones. Clear them and put in your own.
76 cents is the IRS business rate from July 1, 2026. Many employers use the IRS rate; some pay a lower rate or a fixed amount. Use whatever rate was agreed.
Trips
Summary for your expense claim
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Everything is worked out in your browser. Nothing is sent anywhere unless you choose to email the result to yourself. This calculator does the arithmetic only: it does not decide what is taxable or deductible.
Mileage is small money per trip, which is exactly why it goes wrong. Nobody writes down a 9 mile drive to the supplier, so at the end of the month the claim is a guess, and a guess is easy to question. The person who drove feels short changed, the person paying feels they are being asked to take it on trust, and the claim sits unpaid while both wait for the other to sort it out.
Almost every argument about mileage comes down to one of three missing things: a record of each trip, a rate both sides agreed before the driving started, and a regular day the claim gets paid. The calculator gives you the first two in a form you can hand over. The third is a habit.
The IRS publishes a standard mileage rate each year, and for 2026 it raised the business rate mid-year because of fuel prices. It is the figure many employers use as their reimbursement rate:
| Period | IRS business rate per mile |
|---|---|
| From July 1, 2026 | 76 cents |
| Jan 1 to June 30, 2026 | 72.5 cents |
| 2025 | 70 cents |
Rates from the IRS Standard Mileage Rates page. The business rate rose to 76 cents per mile effective July 1, 2026. Always confirm the current figure at irs.gov, since the IRS can revise it. The IRS rate is a published figure, not a rate anyone is required to pay: many employers reimburse at it, and some pay a lower per-mile rate or a fixed allowance. What you pay or are paid is whatever your policy or agreement says.
Because of the July change, a claim that spans both halves of 2026 has two rates in it. With a date on each trip and the rate set to 76 cents, the calculator prices trips from January 1 to June 30, 2026 at 72.5 cents and the rest at 76 cents. Untick the box above if your policy uses one rate for the whole year.
Each trip is priced on its own, then the trips are added up, so the per-trip amounts on the claim always add up to the total.
miles for a trip = miles one way x 2 if it was a round trip
amount for a trip = miles for the trip x rate, rounded to the cent
total = the sum of the trip amounts
For example, 240 miles at 76 cents a mile is $182.40. If you enter one total instead of trips, the calculator multiplies that total by the rate. Trips with no miles are left out, and trips dated outside the claim period are flagged so you can move them to the right month rather than dropped without a word.
It does not decide whether a reimbursement is taxable, or whether any of the driving is deductible. That depends on how the arrangement is set up and recorded, and on your own situation. An accountant can confirm the treatment for yours. If you drive for your own business and want to estimate a deduction rather than a reimbursement, the mileage deduction calculator is built for that.
If you bill clients for travel, Billbooks lets you record the expense and add it to the invoice as a line, so the mileage is on file when the question comes.
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Claims are easier to settle when the trips were written down at the time. The free mileage log template keeps that record and exports it, and if the same person also works from home, the home office deduction calculator compares the two IRS methods.
Driving to jobs is part of the work? These guides go further:
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