basic

Sum of Years Digits Asset Depreciation Calculator

SYD dep = (cost − salvage) × (n−t+1) / [n(n+1)/2].

Calculates depreciation expense for a specific year using the Sum of Years Digits (SYD) accelerated depreciation method. Front-loads more depreciation in early years.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Dep_t = (cost−salvage) × (n−t+1) / (n(n+1)/2); Book value = cost − cumulative dep

In depth

Calculates depreciation expense for a specific year using the Sum of Years Digits (SYD) accelerated depreciation method. Front-loads more depreciation in early years.