This calculator can be used to calculate the depreciation expense of an asset over its useful life using the straight-line method. The straight-line method evenly spreads the cost of an asset over its expected useful lifespan.
Page written by Ian Hawkins. Last reviewed on May 19, 2025. Next review due October 1, 2026.
This calculator is intended for illustration purposes only and exact payment terms should be agreed with a lender before taking out a loan.
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Annual depreciation amount
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Monthly depreciation amount
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Depreciation period
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Here’s how you can calculate depreciation using the straight-line method:
A depreciation calculator using the straight-line method typically requires you to input the cost of the asset, salvage value, and useful life. The calculator then provides you with the annual depreciation expense.
Using this method, the asset’s value is reduced by the same amount each year, providing a systematic way to account for the reduction in value over time. This is a common method used in accounting to allocate the cost of assets and determine their book value.
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