▣ Car Finance Tools

Car Depreciation Calculator

Car Depreciation Calculator turns current value, annual rate and ownership period into a result you can check against the figures from your car, route or workshop note.

Calculate your result

Enter your figures below. Values stay in your browser.

How to use Car Depreciation Calculator

  1. Enter your figures in the units shown beside each field. Keep monetary inputs in the same currency; money results are currently displayed in USD.
  2. Select the unit standard where the form offers a choice, then choose Calculate.
  3. Read the breakdown and compare the worked example below. Change one assumption to see its effect.

Formula used

Future value = current value × (1 − annual depreciation/100)^years.

Worked example

30,000 × 0.85^5 = 13,311.16 after five years at an assumed 15% annual rate. Estimated loss is 16,688.84.

What the result means

The percentage is your scenario, not a forecast of the market. Compare current listings and actual offers for similar vehicles.

Check your result

Results retain calculation precision internally and round for display. Keep the input values with the result so you can reproduce it. Use Reset to restore the example inputs, or Copy result to copy the displayed answer.

If the result does not agree with your own calculation, report the page, inputs and expected answer. See our methodology and reference sources for the standards used.

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Formula, worked example and limitations updated September 10, 2026.

How we maintain these tools