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How to Calculate Depreciation Rate % From Depreciation Amount?

Calculation of Depreciation Rate %

The reduction in value of an asset due to normal usage, wear and tear, new technology or unfavourable market conditions is called depreciation. Assets such as plant and machinery, buildings, vehicles and other assets which are expected to last more than one year but not for infinity are subject to depreciation.

Annual Depreciation rate = (Cost of Asset – Net Scrap Value)/Useful Life

There are various methods to calculate depreciation, one of the most commonly used methods is the straight-line method, keeping this method in mind the above formula to calculate depreciation rate (annual) has been derived.

Related Topic – Why is Depreciation not Charged on Land?


Cost of machine = 10,000, Scrap value of machine = 1,000

Machine’s estimated useful life = 5 years

Annual Depreciation = (Cost of Asset – Net Scrap Value)/Useful Life

Annual Depreciation = (10,000-1,000)/5

= 9,000/5

= 1,800/year (Annual Depreciation)

Rate % = Annual Depreciation/Cost of Asset

(Annual Depreciation in %ge) 1,800/10,000 = 18%


>Read Journal Entry for Depreciation

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