Cost Per Mile Calculator

Find the true cost of running your car per mile (fuel plus insurance, maintenance, registration, depreciation, and loan interest) with monthly and annual totals. Calculates in your browser.

True cost per mile

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Cost per month-
Total per year-
Fuel (per year)-
Fixed costs (per year)-
Fuel cost per mile-

Show the math

Total ownership cost is fuel plus everything else, spread over miles:

fuel/yr = miles ÷ mpg × price

total/yr = fuel + insurance + maintenance + registration + depreciation + interest

cost per mile = total ÷ annual miles

Depreciation is usually the biggest hidden cost of owning a car, estimate it as this year's value drop. All math runs locally in your browser.

What this does

A cost per mile calculator finds the true cost of running your car per mile (fuel plus insurance, maintenance, registration, depreciation, and loan interest) with monthly and annual totals.

How it works

It adds your yearly fuel bill to fixed costs (insurance, maintenance, registration, depreciation, and loan interest) then divides the total by the miles you drive in a year.

How to use it

  1. Enter your annual mileage and fuel bill.
  2. Add insurance, maintenance, and registration.
  3. Add depreciation and loan interest.
  4. Read your cost per mile.

Understanding your result

Depreciation is usually the largest cost of owning a car, even though you never write a cheque for it. For an average car the all-in figure often lands around 50–70 cents per mile.

Example

$6,000 of yearly costs over 12,000 miles is 50 cents per mile.

Sources & methodology

Last updated .

Frequently asked questions

What goes into cost per mile?

It adds your yearly fuel bill to fixed costs (insurance, maintenance, registration, depreciation, and any loan interest) then divides the total by the miles you drive in a year.

Why include depreciation?

Depreciation is usually the largest cost of owning a car, even though you never write a cheque for it. Estimate it as the drop in your car’s value over the year.

What is a typical cost per mile?

For an average car it often lands around 50–70 cents per mile once everything is counted, but it varies widely with the vehicle and how far you drive.

Do you keep my numbers?

No. Everything is computed locally in your browser.