Q. What is Estimated useful life?

The estimated useful life of an asset is the approximate time that a company can use the asset. Useful life is estimation not an exact measurement that a company must make in advance. But sometimes the useful life is determined by company policy example keep a fleet of automobiles for three years.

Accountants use different procedures for recording depreciation. The method exemplify here is the straight-line method. We confer other depreciation methods in section 10. Straight-line depreciation assigns the similar amount of depreciation expense to each accounting period over the life of the asset.