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Straight-Line Depreciation Calculator

Allocate asset cost over a chosen useful life.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Annual depreciation = (cost−residual)/useful life. Assumes straight-line accounting allocation, not market resale value or tax-law depreciation.

How to use it (step by step)

  1. 1Fill in the boxes: “Asset cost”, “Residual value”, “Useful life (years)”, “Completed years”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Depreciation
An item losing value over time, like a car or laptop, spread across its useful years.

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