How to calculate annual depreciation rate of fixed assets?

Calculation of depreciation rate and depreciation amount of fixed assets of average life method:

Annual depreciation rate=(1-expected salvage rate)/ depreciable life×100%

Monthly depreciation rate=Annual depreciation rate ÷ 12

Article 30 The depreciation amount payable on fixed assets shall be generally calculated in accordance with the original value of the fixed assets, the expected salvage rate and the categorized annual depreciation rate. The estimated residual value of fixed assets is 3-5% of the original value of fixed assets. If laws and regulations provide otherwise, the provisions shall apply.

Depending on the scope of the depreciable assets, the depreciation rate is divided into individual depreciation rate, categorized depreciation rate and comprehensive depreciation rate.

Individual depreciation rates are used to calculate depreciation based on the depreciation rate of each fixed asset.

Classification of depreciation rate is in accordance with the categories of fixed assets to calculate depreciation rates and calculate the amount of depreciation, that is, each strict fixed assets in accordance with the same depreciation rate to calculate depreciation, such as China's industrial enterprise financial system will be divided into fixed assets of general-purpose equipment, special equipment and housing and buildings in three major categories of 22 subcategories,*** counting the stipulation of the 34 fixed assets of the use of the life of the equipment, which institutional equipment for the 10 to 14 years, and below that there are a variety of equipment such as car grinding planing and milling.