Depreciation On Equipment

Updated on January 3, 2024
Article byAiswarya Swaminathan
Edited byAshish Kumar Srivastav
Reviewed byDheeraj Vaidya, CFA, FRM

What is Depreciation On Equipment?

Depreciation On Equipment refers to spreading the equipment cost after deducting salvage value throughout the life span of such equipment, and such reduction is made using such equipment, reducing its resale value.


Equipment in accounting refers to assets that are used in day-to-day business operations. Every piece of equipment bought is used over certain years, leading to a decrease in its value. Any office Equipment like devices and other tools bought at a cost cannot be sold at the same price as it has been used. Hence every year, the same or different percentage of amount is deducted from the value of an asset. This amount, which is deducted, is called the depreciationDepreciationDepreciation is a systematic allocation method used to account for the costs of any physical or tangible asset throughout its useful life. Its value indicates how much of an asset’s worth has been utilized. Depreciation enables companies to generate revenue from their assets while only charging a fraction of the cost of the asset in use each year. read more of equipment.

Depreciation On Equipment

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How to Depreciate Equipment?

To depreciate the equipment, you must know the following:

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How to Calculate Depreciation on Equipment?

Depreciation is calculated using four ways which are discussed below:

  1. Straight Line MethodStraight Line MethodStraight Line Depreciation Method is one of the most popular methods of depreciation where the asset uniformly depreciates over its useful life and the cost of the asset is evenly spread over its useful and functional life. read more
  2. Written down value MethodWritten Down Value MethodThe Written Down Value method is a depreciation technique that applies a constant rate of depreciation to the net book value of assets each year, resulting in more depreciation expenses recognized in the early years of the asset's life and less depreciation recognized in the later years of the asset's more
  3. Units of productions MethodUnits Of Productions MethodUnit of production depreciation is an activity method to ascertain asset value through its usage. It is evaluated as the multiplication of depreciation rate per unit and units produced per year, where depreciation per unit is the asset's cost minus salvage value divided by a particular year's production more
  4. Sum of the year digits MethodSum Of The Year Digits MethodThe sum of years digits method is an accelerated depreciation method whereby the method declines the asset's value at an accelerated rate. Therefore, greater deductions are allowed in the starting life of the assets than in subsequent more

#1 – Straight Line Method

In this method, the same amount is deducted as depreciation. The calculation of the depreciation amount happens after deducting the salvage value. The depreciation cost is evenly spread each year until the asset’s life.

#2 – Written Down Value Method

This method calculates depreciation on the cost after deducting the depreciation on each year of an asset; such value is known as Book value. This method can also be referred to as the diminishing or reducing balance method.

#3 – Units of Production Method

It is considered the best method as it is depreciated based on the number of units of machinery produced in the year than how many years machinery is used; as the production increases, depreciation will also be more and vice versa.

#4 – Sum of Year Digits Method

This method is based on the sum of an asset’s entire life; this results in a higher amount of depreciation in the initial years and lesser in later years. If machinery is used for three years, the SOYD depreciation will be [3+2+1 = 6], first-year depreciation will be 3/6,2nd year will be 2/6, and last year will be 1/6.

Examples of Depreciation on Equipment

The following are examples of depreciation on equipment.

Example #1 – Straight Line Method (SLM)

Let’s consider the cost of equipment is $100,000, and if its life value is three years and if its salvage value is $40,000, the depreciation value will be calculated as below.

  • Depreciation = $100,000 – $40,000
  • Book Value = $ 60,000
  • Value of Depreciation = $60,000/3 = $20,000

Depreciation for each year will be $20,000 in SLM of Depreciation.

Example #2 – Sum of Years Digit Method (SOYD)

Consider the same example in the SOYD method.

  • Sum of year Digits will be = 3years = 3+2+1 =6
  • Depreciation for 1st yr = $60,000*3/6 = $30,000
  • 2nd year = $60,000- $30,000 = $30,000*2/6 = $10,000
  • 3rd year = $30,000- $ 10,000 = $ 20,000*1/6 = $3,333

In SOYD of each year, depreciation will differ, and initial depreciation will be more compared to consecutive years.


Depreciation is used mainly for tax purposes and accounting purposes to know the reaDepreciation is used mainly for tax and accounting purposes to know the asset’s real value; the method each entity chooses varies as per its needs and purpose. If a company doesn’t depreciate, then financial reportsFinancial ReportsFinancial reporting is a systematic process of recording and representing a company’s financial data. The reports reflect a firm’s financial health and performance in a given period. Management, investors, shareholders, financiers, government, and regulatory agencies rely on financial reports for more won’t reflect the asset’s true value.

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