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Find out how much you are owed for driving by multiplying your miles by a reimbursement rate.
Example
Driving 100 miles round trip for 3 work trips at the 2025 IRS rate of $0.70/mile gives 100 × 2 × 3 = 600 total miles. Your reimbursement is 600 × $0.70 = $420.00, or $140.00 per trip.
How it works
Reimbursement = miles driven × rate per mile. The 2025 IRS standard business rate is $0.70/mile; round trips simply double the one-way distance before multiplying.
Good to know
This Mileage Reimbursement Calculator turns three inputs — distance per trip, the rate paid per mile, and how many trips you made — into a single payout figure, plus a per-trip breakdown and the total miles behind it. It is built for people who get paid back for using a personal vehicle: employees filing expense reports, contractors and consultants billing clients for travel, gig and delivery drivers, volunteers tracking charitable miles, and small-business owners reconciling what they owe staff.
Reach for it whenever a number needs to be defensible rather than guessed. Common moments include filling in a monthly expense form, invoicing a client for site visits, deciding whether a fixed travel stipend actually covers your driving, or sanity-checking a reimbursement a payer has already given you. Because you can change the rate field freely, it works just as well for an employer's custom cents-per-mile policy as it does for the published IRS figures.
To read the result, start with the Total miles stat — that confirms the calculator used the distance you intended after any round-trip doubling and trip multiplication. The big number is your full reimbursement (total miles × rate), while Per trip shows what a single journey is worth, which is handy when trips happen on different dates or need to be split across invoices. If a figure looks off, the usual culprit is the One-way / Round trip toggle: in round-trip mode you enter only the one-way leg and the tool doubles it for you, so entering the full there-and-back distance would double-count.
A few practical caveats: the standard mileage rate is meant to cover fuel, maintenance, insurance, and depreciation together, so you generally should not also claim those costs separately on top of it. Rates change by tax year and differ by purpose (business, medical or moving, and charitable are all different), so confirm the current figure for your situation before you submit, and keep a contemporaneous log of dates, destinations, and odometer or map distances to back up the total this calculator produces.
Frequently asked questions
What mileage rate should I use?
For US business driving in 2025, the IRS standard rate is $0.70 per mile. Medical/moving is $0.21 and charitable is $0.14. If your employer or client sets a different rate, enter that instead.
How do I handle round trips?
Switch the toggle to Round trip and enter only the one-way distance. The calculator automatically doubles the miles, then multiplies by your number of trips and the rate per mile.
Is my data uploaded anywhere?
No — this calculator runs entirely in your browser. Your inputs never leave your device, and it works offline once loaded.
Is this calculator free?
Yes, completely free with no sign-up and no limits.
People also ask
How do I calculate mileage reimbursement?
Multiply the total number of business miles driven by the applicable rate per mile. For example, 250 miles at $0.70 per mile equals $175. For round trips, count both the outbound and return distance in your total miles.
What is the 2025 IRS standard mileage rate?
For 2025 the IRS standard rate is $0.70 per mile for business use, $0.21 per mile for medical or moving purposes (the latter limited to active-duty military), and $0.14 per mile for charitable driving. The business rate is updated by the IRS each year.
Are employers required to reimburse mileage?
Federal law does not require private employers in most states to reimburse mileage, but a few states such as California, Illinois, and Massachusetts require reimbursement of necessary business expenses. Employers are also not obligated to use the IRS rate and may set their own, as long as any applicable state minimums are met.
Is mileage reimbursement taxable income?
Reimbursement paid under an accountable plan at or below the IRS standard rate is generally not taxable and is not reported as wages. Amounts paid above the IRS rate, or paid without proper substantiation, may be treated as taxable income.
What counts as a deductible business mile?
Business miles are generally trips made for work between business locations, to clients or temporary work sites, and similar work-related travel. Commuting between your home and your regular workplace is typically not deductible or reimbursable as business mileage.
Can I deduct mileage if my employer already reimburses me?
Generally no. If you have already been reimbursed for those miles, you cannot also deduct them, and unreimbursed employee travel deductions are limited for most employees under current federal rules. Self-employed individuals can deduct qualifying unreimbursed business mileage on their own returns.
Should I use the standard mileage rate or actual vehicle expenses?
The standard mileage rate applies a single per-mile figure that bundles fuel, maintenance, insurance, and depreciation, while the actual-expense method tracks and prorates real costs for business use. The methods can produce different totals, and eligibility rules differ, so the better choice depends on your vehicle costs and record-keeping.
What records do I need to support a mileage claim?
Keep a log showing the date, destination, business purpose, and miles for each trip, ideally recorded at or near the time of travel. Odometer readings or mapping-app distances and supporting receipts help substantiate the total if it is ever reviewed.
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