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Depreciation Calculator

Result

Annual Depreciation90000
Year 1 Book Value410000
Year 2 Book Value320000
Year 3 Book Value230000
Year 4 Book Value140000
↗ Finance

Depreciation Calculator — free online calculator.

Formula

SL: (Cost − Salvage) / Life; DB: BV × (2/Life); SYD: (Cost − Salvage) × (Life−year+1) / SYD
  • Depreciation Calculator calculates its result from Life, Sl, Cost, Salvage, Db, Bv, Syd, Year. It uses the formula SL: (Cost − Salvage) / Life; DB: BV × (2/Life); SYD: (Cost − Salvage) × (Life−year+1) / SYD. Change any input to recalculate the result instantly.
  • The main inputs are Asset Cost, Salvage Value, Useful Life, Depreciation Method. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Depreciation

Inputs
  • Asset Cost: 500000
  • Salvage Value: 50000
  • Useful Life: 5
  • Depreciation Method: straight-line

Using Life = 2, Sl = 3, Cost = 4, Salvage = 13, Db = 6, Bv = 7, Syd = 8, Year = 17, the calculated result is 1.5555555556.

Sample result: Calculating…

Frequently asked questions

What does the Depreciation calculate?

Depreciation Calculator — free online calculator.

Which values should I enter?

Enter Asset Cost, Salvage Value, Useful Life, Depreciation Method using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: SL: (Cost − Salvage) / Life; DB: BV × (2/Life); SYD: (Cost − Salvage) × (Life−year+1) / SYD.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 10, 2026