Mileage Reimbursement for 100 miles at $0.21/mile
The reimbursement or tax deduction total for 100 miles at $0.21/mile, compared across common mileage rates. Adjust any field below to try your own numbers.
Total Reimbursement / Deduction
$21.00
Driving 100 miles at a $0.21-per-mile rate comes to a total of $21.00.
Miles Driven
100 mi
Rate Per Mile
$0.21
Total at 100 miles, by purpose
What is a Mileage Calculator?
A mileage calculator turns miles driven into a dollar figure — a reimbursement from an employer, or a tax deduction claimed on a return — by multiplying the miles by a fixed per-mile rate. In the US, the IRS publishes standard mileage rates each year for three distinct purposes: business use, medical or moving-related use, and charitable service use, each with its own rate.
Using the standard mileage rate is an alternative to tracking actual vehicle expenses (gas, maintenance, depreciation, insurance) individually — it trades some potential precision for dramatically simpler recordkeeping, which is why it's the far more common method for most individual taxpayers and small reimbursement programs.
Totals by Purpose for 100 Miles
Every row below applies a different standard mileage rate to your exact mileage — figures are illustrative reference rates; always confirm the current-year IRS rate before filing.
| Purpose | Rate | Total |
|---|---|---|
| Business | $0.67/mi | $67.00 |
| Medical / Moving (your rate) | $0.21/mi | $21.00 |
| Charitable | $0.14/mi | $14.00 |
Totals by Mileage at $0.21/Mile
| Miles | Total |
|---|---|
| 50 | $10.50 |
| 100 | $21.00 |
| 250 | $52.50 |
| 500 | $105.00 |
| 1,000 | $210.00 |
| 2,500 | $525.00 |
| 5,000 | $1,050.00 |
| 10,000 | $2,100.00 |
How Mileage Reimbursement Is Calculated
The calculation itself is simple multiplication — the complexity is entirely in choosing the right rate and correctly tracking eligible miles.
The standard mileage rate is designed to approximate the full cost of operating a vehicle — fuel, maintenance, insurance, depreciation — averaged across typical vehicles, so you don't need to track each expense category separately.
The Three Standard Mileage Rate Categories
The business rate (the highest of the three) covers self-employed individuals and employees driving for work purposes not otherwise reimbursed, and is by far the most commonly used. The medical/moving rate applies to miles driven for medical care or, for active-duty military members relocating under orders, moving expenses (moving mileage was eliminated as a deduction for most civilian taxpayers starting in 2018). The charitable rate is set by statute rather than adjusted for actual vehicle costs, which is why it has stayed far lower and more stable over time than the other two rates.
Standard Mileage Rate vs. Actual Expense Method
Taxpayers claiming vehicle expenses generally choose between the standard mileage rate (multiply eligible miles by the published rate) and the actual expense method (track and deduct the business-use percentage of every real cost — gas, repairs, insurance, depreciation, lease payments). The standard rate requires far less recordkeeping and is the more common choice for most individuals, but the actual expense method can produce a larger deduction for expensive vehicles with high real operating costs. Once you choose the actual expense method for a vehicle, switching back to standard mileage later is restricted, so the choice is worth making carefully in the first year of business use.
Example — Your Current Inputs
Driving 100 miles at a $0.21-per-mile rate comes to a total of $21.00.
Additional Example — A Freelancer's Year
A freelance consultant logs 4,200 business miles over the year driving to client meetings. At a 67-cent business rate, that's a $2,814 deduction — with no need to save a single gas or repair receipt, as long as a contemporaneous mileage log (date, destination, business purpose, and miles for each trip) is kept to substantiate the claim if audited.
About These Parameters
- Miles Driven
- Only miles for the qualifying purpose count — ordinary commuting between home and a regular workplace is generally not deductible business mileage, even for the self-employed.
- Rate Per Mile
- The dollar-per-mile reimbursement or deduction rate. Selecting a purpose in the dropdown fills in an illustrative reference rate — always verify the current official rate for the tax year or reimbursement policy you're applying it to, since standard mileage rates are updated annually (and occasionally mid-year, as happened during periods of unusually high fuel prices).
Frequently Asked Questions
Does commuting to my regular workplace count as business mileage?
No — the daily commute between home and your regular, fixed workplace is considered personal (non-deductible) mileage, even for self-employed people. Business mileage generally starts once you leave your regular workplace (or home, if home is your principal place of business) to travel to a client, temporary work location, or business errand.
What records do I need to support a mileage deduction?
A contemporaneous log is the standard requirement: date, starting and ending locations, business purpose, and miles driven for each trip. Apps that automatically track drives via GPS have become the most common way to maintain this, since reconstructing a year of trips from memory at tax time is both unreliable and a red flag in an audit.
Can I switch between the standard rate and actual expenses each year?
Generally, once you use the actual expense method (including certain accelerated depreciation) for a vehicle, you cannot switch back to the standard mileage rate for that same vehicle in a later year. If you start with the standard mileage rate in the first year a vehicle is used for business, you generally retain the flexibility to switch to actual expenses in a later year. Consult a tax professional before choosing, since the rules have specific exceptions.
Why is the charitable mileage rate so much lower than the business rate?
The charitable mileage rate is fixed directly by federal statute and requires an act of Congress to change, whereas the business and medical/moving rates are recalculated by the IRS each year (sometimes more than once) based on an analysis of actual vehicle operating costs, including fuel prices. That structural difference is why the charitable rate has stayed far more stable — and far lower — over time, even as gas prices and other costs have moved significantly.