What this calculator does
True cost per mile to drive works out all-in running cost of a vehicle, spread across the miles driven. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
FormulaCost per mile = (fuel + maintenance + insurance + depreciation, per year) / miles driven per year
The inputs explained
| Field | What to enter |
|---|---|
| Miles driven per year | A number. Starts at 12000. |
| Fuel, per year ($) | A number, measured in your currency. Starts at 1800. |
| Maintenance & repairs, per year ($) | A number, measured in your currency. Starts at 900. |
| Insurance, per year ($) | A number, measured in your currency. Starts at 1400. |
| Depreciation, per year ($) | A number, measured in your currency. Starts at 3000. |
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
How the answer changes with miles driven per year
Every other input is held at the calculator’s starting values while miles driven per year varies. Select any row to load that scenario into the calculator.