What is the Car Depreciation Calculator?
Estimate how much a car will be worth after a number of years. Know what a trip or a vehicle really costs. These auto and travel calculators cover fuel, charging, depreciation and the true per-mile cost of driving for commuters and professional drivers.

How to use the Car Depreciation Calculator
- Enter your purchase price, your annual depreciation, your years owned.
- Results update automatically as you type; you can also press Calculate.
- Read the output: estimated value, total depreciation, value retained.
- Use the 📊 chart to see the result visually, then copy or share it.
Formula and method
Worked example
With purchase price = $35,000, annual depreciation = 15 %, years owned = 5, the Car Depreciation Calculator returns estimated value: $15,529.69; total depreciation: $19,470.31; value retained: 44.4%.
Tips for better results
- Use your real-world fuel economy rather than the window sticker.
- Depreciation is often the largest hidden cost of owning a car.
- Gig drivers should track every mile — it changes net hourly pay dramatically.
Frequently asked questions
What does the Car Depreciation Calculator do?
Estimate how much a car will be worth after a number of years.
How is it calculated?
The Car Depreciation Calculator uses this method: Value = Price × (1 − rate)^years.
Can you show an example?
With purchase price = $35,000, annual depreciation = 15 %, years owned = 5, the Car Depreciation Calculator returns estimated value: $15,529.69; total depreciation: $19,470.31; value retained: 44.4%.
Is the Car Depreciation Calculator accurate?
Yes. It uses standard formulas and exact constants, and the results are verified by our automated test suite. Values are displayed to up to 12 significant digits.
Is this tool free and private?
Yes — the Car Depreciation Calculator is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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