Why Depreciation is Calculated on Assets ?

 

Depreciation is calculated on assets for several important accounting, financial, legal, and practical reasons. Let's break down exactly why it's necessary, rather than just what it means.

The core reason: Assets lose value over time

Fixed assets like machinery, buildings, vehicles, and equipment don't last forever — they wear out, become obsolete, or lose value due to usage, the passage of time, technological advancement, or physical deterioration. Depreciation is the accounting method used to systematically recognize this loss in value over the asset's useful life.

Detailed reasons why depreciation is calculated:

1. To reflect the true value of assets (Accurate Financial Position) If a company keeps showing an asset at its original purchase cost year after year, the Balance Sheet would overstate the asset's actual worth, since machinery bought 10 years ago is rarely worth the same today. Depreciation ensures the asset is shown at its realistic, reduced value (Net Book Value) on the Balance Sheet.

2. To match costs with revenues (Matching Principle) An asset like machinery helps generate revenue over many years, not just the year it was purchased. If the entire cost were charged as an expense in the year of purchase, it would distort that year's profit (showing an artificially low profit) while overstating profits in later years when the asset is still being used but no cost is being recognized. Depreciation spreads the cost over the asset's useful life, matching the expense to the periods that actually benefit from using the asset.

3. To ascertain true and accurate profit Since depreciation is a genuine cost of using the asset (even though no cash is paid out each year for it), ignoring it would mean the business overstates its profit. Charging depreciation ensures the Profit & Loss Account reflects a more accurate picture of how much the business truly earned after accounting for the cost of using its assets.

4. To provide funds for asset replacement By charging depreciation as an expense each year, the company effectively sets aside/retains a portion of its earnings rather than distributing 100% of profits as dividends. Over the asset's life, this builds up a fund (conceptually) that can help finance the replacement of the asset when it eventually needs to be replaced — without depreciation, a business might distribute all profits and later struggle to find funds when the asset needs replacing.

5. To comply with legal and tax requirements

·         Company law (e.g., Companies Act, 2013 in India) mandates charging depreciation before declaring dividends, ensuring companies don't distribute profits that haven't truly been earned (i.e., profits inflated by ignoring asset wear and tear)

·         Tax laws also allow depreciation as a deductible expense when calculating taxable income, which reduces the tax liability of a business — but tax depreciation rates/methods often differ from accounting depreciation, and specific current provisions should be checked separately if relevant to your situation

6. To determine the correct cost of production For manufacturing businesses, depreciation on machinery is a component of production cost. Ignoring it would understate the true cost of producing goods, potentially leading to underpricing of products and understated Cost of Goods Sold.

7. To avoid overstatement of capital/profit and protect against fictitious dividends If depreciation isn't charged:

·         Assets appear inflated on the Balance Sheet

·         Profit appears inflated on the Income Statement

·         Companies might end up distributing dividends out of what is essentially capital, rather than genuine profit — which is financially unsound and, in many jurisdictions, legally prohibited

Summary — Why Depreciation is Necessary:

Purpose	Explanation
Accurate asset valuation	Reflects the asset's reduced value over time
Matching principle	Spreads cost of asset over the years it generates revenue
True profit calculation	Avoids overstating profit by ignoring a real cost
Fund for replacement	Helps retain resources within the business for eventual asset replacement
Legal/statutory compliance	Required under company law before declaring dividends
Tax benefits	Allowed as a deductible expense, reducing taxable income
Accurate cost of production	Ensures manufacturing costs (and thus pricing) reflect true costs
Protects against fictitious dividends	Prevents distribution of profits that don't actually exist

Quick example illustrating the concept:

Suppose a company buys machinery for ₹10,00,000 with a useful life of 10 years (no residual value).

·         If depreciation is NOT charged: The company might show the machinery at ₹10,00,000 every year on the Balance Sheet, and profit each year would appear ₹1,00,000 higher than it truly is (since the "using up" of the machine isn't accounted for) — misleading shareholders into thinking the company is more profitable and financially stronger than it really is.

·         If depreciation IS charged (say, ₹1,00,000/year using the straight-line method): Each year's Profit & Loss Account reflects a ₹1,00,000 expense for using the machinery, and the Balance Sheet shows the machinery's value gradually reducing (₹9,00,000 after year 1, ₹8,00,000 after year 2, and so on) — giving a much more accurate and honest picture of the company's financial performance and position.

In essence: Depreciation exists because ignoring the wear and tear (or obsolescence) of assets would make a company's financial statements misleading — inflating both profits and asset values, and potentially leading to poor financial decisions by management, investors, and creditors who rely on these statements for accurate information.