Find your cost per mile. This free calculator divides total driving costs by miles, or uses fuel price and MPG for a running cost, with per-100-miles, per-km and trip-cost projections.
Work out cost per mile
$
mi
Add up the costs you want to include — fuel, insurance, maintenance, depreciation — and the miles they covered. Include as much or as little as you like.
$/ gal
mpg
For fuel cost alone, enter the fuel price and your vehicle’s MPG. Cost per mile is simply the price per gallon divided by miles per gallon.
mi
Cost per mile
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Enter your figures
Per mile
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Per 100 miles
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Per km
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Projected trip
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Cost per mile = total cost ÷ miles. Include only fuel for a running-cost figure, or add insurance, servicing, tyres and depreciation for the true cost of ownership per mile.
Use this free cost per mile calculator to work out what it costs to drive each mile. Use total costs over a distance, or just fuel from your price and MPG, and project any trip.
What this cost per mile calculator does
A cost per mile calculator divides your driving costs by the miles covered. Include everything (fuel, insurance, maintenance, depreciation) for true cost of ownership, or just fuel for a quick running cost.
How cost per mile is calculated
Total costs: cost per mile = total cost ÷ miles
Fuel only: cost per mile = fuel price ÷ MPG
$1,200 of costs over 10,000 miles is $0.12 per mile. On fuel alone, $3.50/gal at 30 MPG is about $0.117 per mile.
What to include
Figure
Include for…
Fuel only
Day-to-day running cost
+ Insurance & tax
Regular ownership cost
+ Maintenance & tyres
Realistic upkeep
+ Depreciation
True total cost of ownership
Why cost per mile is useful
It makes journeys, vehicles and reimbursement comparable on a single number. Multiply by a trip distance to estimate its cost, or compare two cars fairly regardless of tank size or service intervals.
How to use the cost per mile calculator
Pick a mode — total costs or fuel only.
Enter the figures (costs and miles, or price and MPG).
Add trip miles to project a journey’s cost.
Cost Per Mile FAQ
How do I calculate cost per mile?
Divide your total costs by the miles driven. For example, $1,200 over 10,000 miles is $0.12 per mile.
How do I work out fuel cost per mile?
Divide the fuel price by your MPG. At $3.50 a gallon and 30 MPG, that's about $0.117 per mile.
What costs should I include?
For running cost, just fuel. For true cost of ownership, add insurance, tax, maintenance, tyres and depreciation over the same mileage.
How do I estimate the cost of a trip?
Enter the trip miles and the calculator multiplies them by your cost per mile — so a 250-mile trip at $0.12/mi is about $30.
What's a typical cost per mile?
Fuel alone is often around $0.10–0.20 per mile; full ownership cost can be several times that, depending on the vehicle and how much you drive.
Is the cost per mile calculator free?
Yes, this cost per mile calculator is completely free, needs no sign-up, and gives instant results in your browser.
