Version 2.0 of this depreciation method is now available. Given an Asset Value, Salvage Value, asset life (n), and time (t), this calculator will determine the Depreciation at time t, Asset Value (A), or Salvage Value (S) as well as the Book Value at time t using the Sum of the Years Digits (SOYD) method of depreciation. Our quiz generator is also included as well.
Sum of the Years Digits Depreciation