Declining Balance Depreciation Formula & Example


what is a declining balance

The rate of depreciation is defined according to the estimated pattern of an asset’s use over its useful life. The expense would be $270 in the first year, $189 in the second year, and $132 in the third year if an asset costing $1,000 with a salvage value of $100 and a 10-year life depreciates at 30% each year. Note that the depreciation in the fifth and final year is only for $1,480, rather than the $3,240 that would be indicated by the 40% depreciation rate. The reason for the smaller depreciation charge is that Pensive stops any further depreciation once the remaining book value declines to the amount of the estimated salvage value. Depreciation allows a company to deduct an asset’s declining value, reducing the amount of income on which it must pay taxes.

Reducing Balance Method is appropriate where an asset has a higher utility in the earlier years of its life. Computer equipment also becomes obsolete in a span of few years due to technological developments. Using reducing balance method to depreciate computer equipment would ensure that higher depreciation is charged in the earlier years of its operation.

  1. Also, this yearly rate of depreciation is usually in line with the industry average.
  2. Is a form of accelerated depreciation in which first-year depreciation is twice the amount of straight-line depreciation when a zero terminal disposal price is assumed.
  3. Calculate the depreciation for the first year of its life using double declining balance method.
  4. Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader.

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Double-Declining Balance (DDB) Depreciation Method Definition With Formula

Accruing tax liabilities in accounting involves recognizing and recording taxes that a company owes but has not yet paid. Because the book value declines as the asset ages and the rate stays constant, the depreciation charge falls each year. As a hypothetical example, suppose a business purchased a $30,000 delivery truck, which was expected to last for 10 years. Under the straight-line depreciation method, the company would deduct $2,700 per year for 10 years–that is, $30,000 minus $3,000, divided by 10. Referring to Example 1, calculate the depreciation of the asset for the second year of its life. Depreciation is charged according to the above method if book value is less than the salvage value of the asset.

what is a declining balance

When applying the double-declining balance method, the asset’s residual value is not initially subtracted from the asset’s acquisition cost to arrive at a depreciable cost. Depreciation is an accounting process by which a company allocates an asset’s cost throughout its useful life. Firms depreciate assets on their financial statements and for tax purposes in order to better match an asset’s productivity in use to its costs of operation over time.

As the declining balance depreciation uses the net book value in the calculation, the company doesn’t need to determine the depreciable cost like other depreciation methods. In other words, unlike other depreciation methods, the salvage value is ignored completely when the company calculates the declining balance depreciation. However, when the depreciation rate is determined this way, the method is usually called the double-declining balance depreciation method. Though, the double-declining balance depreciation is still the declining balance depreciation method.

All of our content is based on objective analysis, and the opinions are our own. Thus, an increase in the cost of repairs of each subsequent year is compensated by a decrease in the amount of depreciation for each subsequent year. For example, if the equipment in the above case is purchased on 1 October rather than 2 January, depreciation for the period between 1 October and 31 December is ($16,000 x 3/12).

Declining Balance Depreciation is an accelerated cost recovery (expensing) of an asset that expenses higher amounts at the start of an assets life and declining amounts as the class life passes. The amount used to determine the speed of the cost recovery is based on a percentage. The most common declining balance percentages are 150% (150% declining balance) and 200% (double declining balance). Because most accounting textbooks use double declining balance as a depreciation method, we’ll use that for our sample asset. The declining balance method of Depreciation is also called the reducing balance method, where assets are depreciated at a higher rate in the initial years than in the subsequent years.

Example of declining balance depreciation

As you can see from the above example, depreciation expense under reducing balance method progressively declines over the asset’s useful life. A more common depreciation method is the straight-line method, where the depreciation expense to be recognized is spread evenly over the useful life of the underlying asset. This method is the simplest to calculate, and generally represents the actual usage of assets over time. It is also more likely to leave carrying values on the balance sheet that reflect the remaining market values of assets (though there is not necessarily a direct relationship between carrying value and market value). The company ABC has the policy to depreciate the machine type of fixed asset using the declining balance depreciation with the rate of 40% per year. The machine is expected to have a $1,000 salvage value at the end of its useful life.

Thus, when a company purchases an expensive asset that will be used for many years, it does not deduct the entire purchase price as a business expense in the year of purchase but instead deducts the price over several years. It doesn’t always use assets’ salvage value (or residual value) while computing the depreciation. However, depreciation ends once the estimated salvage value of the asset is reached. However, in those cases where the asset has no residual value, this method will never depreciate the asset fully and is typically changed to the Straight working capital turnover ratio Line Depreciation Method at some stage during the asset’s life. Thus, the Machinery will depreciate over the useful life of 10 years at the rate of depreciation (20% in this case). As we can observe, the DBM results in higher depreciation during the initial years of an asset’s life and keeps reducing as the asset gets older.

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Because twice the straight-line rate is generally used, this method is often referred to as double-declining balance depreciation. DDB is ideal for assets that very rapidly lose their values or quickly become obsolete. This may be true with certain computer equipment, mobile devices, and other high-tech items, which are generally useful earlier on but become less so as newer models are brought to market. Under the generally accepted accounting principles (GAAP) for public companies, expenses are recorded in the same period as the revenue that is earned as a result of those expenses.

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Under the declining balance methods, the asset’s salvage value is used as the minimum book value; the total lifetime depreciation is thus the same as under the other methods. With the constant double depreciation rate and a successively lower depreciation base, charges calculated with this method continually drop. The balance of the book value is eventually reduced to the asset’s salvage value after the last depreciation period. However, the final depreciation charge may have to be limited to a lesser amount to keep the salvage value as estimated.

Also, note that the expense in the fourth year is limited to the amount needed to reduce the book value to the $20,000 salvage value. In the second year, depreciation is calculated in a regular way by multiplying the remaining book value of $36,000 ($40,000 — $4,000) by 40%. The arbitrary rates used under the tax regulations often result in assigning depreciation to more or fewer years than the service life. They determine the annual charge by multiplying a percentage rate by the book value of the asset (not the depreciable basis) at the beginning of the year. It must be applied where an asset is expected to face technological obsolescence relatively quickly.

Choosing the right method of depreciation to allocate the cost of an asset is an important decision that a company’s management has to undertake. Companies need to opt for the right depreciation method, considering the asset in question, its intended use, and the impact of technological changes on the asset and its utility. DBM has pros and cons and is an ideal method for assets where technological obsolescence is very high. As seen in the formula of declining balance depreciation above, the company needs the deprecation rate in order to calculate the depreciation.


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