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Depreciation is a financial concept that refers to the decrease in value of a physical asset over time due to factors such as age, wear and tear, or obsolescence. It is a method used by businesses to spread the expense of an asset over its useful life. This process allows companies to earn revenue from the asset while simultaneously carrying the costs associated over its lifespan.


The phonetic spelling of the word “Depreciation” is /dɪˌpriːʃiˈeɪʃn/

Key Takeaways

Key Takeaways About Depreciation

  1. Depreciation is an accounting method that allocates the cost of a tangible or physical asset over its useful life or life expectancy. It represents how much of an asset’s value has been used up.
  2. The depreciation of an asset must be consecutive and consistent over its projected life, and this includes properties or equipment used for business purposes. It is used mainly for accounting and tax purposes.
  3. Two common methods of calculating depreciation are Straight-Line Depreciation and Accelerated Depreciation. The Straight-Line Depreciation method spreads the cost evenly over the life of an asset, while the Accelerated Depreciation method expenses more of the asset’s cost in the early years of use.


Depreciation is a crucial concept in business and finance as it represents the financial impact of the use and wear of long-term assets over time, such as machinery, equipment, and buildings. These assets contribute to income generation, so their cost is spread over their useful lifespan instead of being fully expensed in the year of purchase. By doing so, depreciation allows businesses to better match their revenues with their expenses, resulting in more accurate financial reporting. Furthermore, depreciation can provide substantial tax benefits as it is a non-cash expense that reduces the company’s taxable income. Hence, understanding depreciation is essential for making informed business decisions and long-term planning, both in terms of investment evaluation and strategic asset management.


Depreciation fundamentally serves the purpose of reflecting the loss in value that a tangible asset, like property or equipment, experiences over time due to factors such as wear and tear, age, or obsolescence. It is an important concept in accounting and finance, as it allows businesses to align the cost of using an asset with the revenue it helps to generate. This way, organisations can spread out the total cost of an asset over its useful life, rather than accounting for the entire cost in the year of purchase. This helps maintain a more realistic and even representation of a company’s financial health over the years.In terms of its application, depreciation is used for both financial reporting and tax purposes. For financial reporting, it impacts both the balance sheet (by reducing the asset’s carrying value) and the income statement (by giving rise to depreciation expense). Therefore, it plays a key role in the calculation of net income and consequently, earnings per share, an important metric for investors. From a tax perspective, since depreciation expense can be recognized as a business cost, it lowers a company’s taxable income, which ultimately reduces the amount of tax it has to pay. Thus, understanding and applying depreciation is beneficial for optimising business operations and strategic financial decision making.


1. Vehicle Depreciation: This is a common example that many people experience firsthand. As soon as a new vehicle is driven off the lot, its value depreciates significantly. Over time, the value of the vehicle continues to drop due to wear and tear, even if the vehicle is well-maintained. This is one of the primary reasons that used vehicles are much cheaper than new ones.2. Equipment Depreciation: Businesses in many industries have to deal with equipment depreciation. For instance, a restaurant owner who purchases a new oven can expect its value to depreciate over time. The oven could lose value due to regular wear and tear, or it could lose value more quickly if a newer, more efficient model is released to the market.3. Real Estate Depreciation: Over time, the value of commercial buildings and residential properties decreases due to factors such as the structure’s age, wear and tear, or changes in the market conditions. For instance, a company’s office building that was constructed 20 years ago might not be worth as much today, due to aging infrastructure or shifts in neighborhood appeal. This depreciation is accounted for in the company’s financial statements.

Frequently Asked Questions(FAQ)

What is depreciation?

Depreciation is a financial term that refers to the wear and tear, or reduction in the value of an asset over time due to its usage, loan or obsolescence.

Why is depreciation important in business?

Depreciation is crucial as it allows businesses to recover the cost of an asset over its lifespan, reducing taxable income and thus tax liability. It helps businesses manage and plan for the replacement of aging assets.

How is depreciation calculated?

Depreciation is calculated using several methods, including straight-line, declining balance, sum-of-the-year’s digits, and units of production. The choice of method depends on the nature of the asset and the accounting practices of the company.

Is depreciation an expense?

Yes, depreciation is considered an operating expense in financial accounting. However, it does not involve an actual cash outflow. It’s a way of allocating the cost of an asset over its estimated useful life.

Can depreciation be stopped on an asset?

Depreciation stops when an asset has been fully depreciated – when its book value equals its salvage value – or when it is sold or retired.

What happens when an asset is fully depreciated?

Once an asset is fully depreciated, it continues to stay on the books for its salvage value. No more depreciation expense is recorded for that asset.

How does depreciation affect profit?

Since depreciation is considered an operating expense, it reduces the net income of a business, thereby decreasing the total profit.

Does depreciation affect cash flow?

Although depreciation reduces net income, it’s a non-cash expense and doesn’t directly impact cash flow. However, because it decreases taxable income, it can result in a cash saving, indirectly affecting cash flow.

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