Straight-line depreciation

Spreads the cost of a fixed asset evenly over its useful life, after subtracting its residual value, giving the depreciation expense charged each year. It is the simplest method used in financial accounting.

\mathrm{Annual\ Depreciation\ Expense} = \frac{\mathrm{Cost\ of\ Fixed\ Asset} - \mathrm{Residual\ Value}}{\mathrm{Useful\ Life\ of\ Asset}\ (\mathrm{years})}

What the symbols mean

original purchase cost of the asset (currency)
estimated value of the asset at the end of its useful life (currency)
number of years the asset is expected to be used (years)

About this formula

  • FieldEconomics and finance
  • TopicAccounting
  • LevelUniversity
  • Also calledannual depreciation expense, depreciation formula, depreciation expense per year, asset depreciation, residual value depreciation
  • SourceWikidata Q114403

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