View Here : Useful Life Calculation
Estimate Initial Cost, Useful Life and Residual Value. Step. Calculate the initial cost of the asset. The initial cost is the cost of acquiring the asset plus the other costs for making it operational, such as taxes, freight and installation.
Calculator Soup has an online calculator that calculates straight line asset depreciation. To use the calculator, website visitors simply need to enter the asset cost, salvage value, useful life, date placed in service and whether a yearly, monthly or quarterly convention should be used.