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Monday, July 06, 2026
What is Depreciation: Complete Guide with Meaning and Impact
By Century Financial in 'Blog'
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Businesses purchase assets such as machinery, vehicles, computers, and buildings to support operations. However, these assets do not retain their value forever. Due to usage, aging, and technological advancements, the value of these assets reduces year after year. This decline in value is recorded as depreciation.
Instead of recording the entire asset cost at purchase, companies distribute it over the asset’s useful life. This helps businesses maintain accurate financial records and properly measure profitability. For investors analysing companies in the share market, depreciation plays an important role in evaluating financial health. It impacts company earnings, asset values, and tax calculations.
Depreciation Meaning and Depreciation Definition
The definition of depreciation refers to the accounting method used to allocate the cost of a tangible asset over its useful life. It reflects how an asset loses value due to wear and tear, usage, aging, or technological obsolescence.
In simple terms, depreciation shows how much value an asset loses each year.
Businesses record depreciation as an expense in their income statements, while accumulated depreciation appears on the balance sheet.
Common assets that experience asset depreciation include:
Key reasons why businesses calculate depreciation include:
Key Terms Used in Depreciation
Understanding some important terms helps clarify how depreciation works.
Asset cost
The original purchase price of the asset, including transportation and installation expenses.
Useful life
The estimated time period during which the business will use the asset.
Salvage value
The remaining value of an asset after its useful life.
Depreciation expense
The portion of the asset cost allocated as an expense during a specific accounting period.
Accumulated depreciation
The total depreciation recorded for an asset since its purchase.
Depreciation Formula and Depreciation Calculation
The depreciation formula helps businesses calculate how much asset value decreases each year. The most common method used is the straight-line depreciation formula:
Annual Depreciation = (Asset Cost − Salvage Value) ÷ Useful Life
Assume a company purchases equipment for 30,000 dollars. The salvage value is estimated at 5,000 dollars, and the useful life is 5 years.
| Year | Asset Value | Depreciation Expense | Accumulated Depreciation |
|---|---|---|---|
| Year 1 | 25,000 | 5,000 | 5,000 |
| Year 2 | 20,000 | 5,000 | 10,000 |
| Year 3 | 15,000 | 5,000 | 15,000 |
| Year 4 | 10,000 | 5,000 | 20,000 |
| Year 5 | 5,000 | 5,000 | 25,000 |
This depreciation schedule shows how the asset value decreases gradually while accumulated depreciation increases each year.
Types of Depreciation Methods Used by Businesses
Different businesses use different depreciation methods depending on the type of asset and how it is used. Each depreciation method spreads depreciation costs differently.
Comparison of Depreciation Methods
| Method | Suitable For | Depreciation Pattern |
|---|---|---|
| Straight Line | Buildings and furniture | Equal every year |
| Declining Balance | Technology and vehicles | Higher depreciation in early years |
| Units of Production | Manufacturing machinery | Based on asset usage or production output |
Depreciation Example in Business and Impact on Investing
Depreciation is widely used across many industries, including manufacturing, transportation, technology, and energy sectors.
Example 1: Manufacturing Industry
A manufacturing company purchases machinery for 120,000 dollars with a useful life of 10 years and a salvage value of 20,000 dollars.
Annual depreciation:
(120,000 − 20,000) ÷ 10 = 10,000 per year
This amount becomes the yearly depreciation expense.
Impact of Depreciation for Investors
Understanding depreciation helps traders and investors:
Modern investors use advanced trading tools, such as trading platforms, to analyse financial data and market trends.
Platforms like the Century Trader and the MT5 Platform allow investors to explore opportunities across global markets, including commodities, indices, and currencies.
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Conclusion
Depreciation is an essential concept in accounting and financial analysis. By spreading the cost of assets over their useful lives, businesses can accurately track expenses, maintain reliable financial statements, and measure profitability.
For investors participating in the share market, analysing financial metrics such as depreciation can improve investment decisions and provide deeper insights into corporate financial health.
Frequently Asked Questions
Q1: What is depreciation in simple words?
A: Depreciation refers to the gradual reduction in the value of an asset over time due to usage, aging, or technological changes. Businesses record this decrease as depreciation expense in financial statements.
Q2: Why do businesses calculate depreciation?
A: Businesses calculate depreciation to allocate an asset's cost over its useful life, maintain accurate financial reporting, and reduce taxable income.
Q3: What is accumulated depreciation?
A: Accumulated depreciation is the total depreciation recorded for an asset since it was purchased. It reduces the asset’s book value on the balance sheet.
Q4: What is the most common depreciation method?
A: The straight-line depreciation method is the most common because it spreads the asset's cost evenly over its useful life.
Q5: How does depreciation affect profit?
A: Depreciation reduces a company's profit because it is recorded as an operating expense on the income statement.
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