About the Book Value Calculator
Book value of an asset after N years of straight-line depreciation, or a company’s book value per share.
Also known as: net book value, carrying value, book value per share.
How to use this calculator
- Enter asset cost, salvage value, useful life, years elapsed.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Book value = cost − accumulated depreciation
Worked example
Using the values pre-filled in the calculator above:
- Asset cost = 25,000
- Salvage value = 2,500
- Useful life = 10 years
- Years elapsed = 4
the calculator returns:
- Book value: 16,000
- Accumulated depreciation: 9,000
- Annual depreciation: 2,250