Accounting

Depreciation

The systematic allocation of a tangible asset's cost over its useful life.

Formula

Straight-Line Depreciation = (Asset Cost - Salvage Value) รท Useful Life

Definition

What is Depreciation?

Depreciation spreads the cost of physical assets (equipment, vehicles, furniture) over the years you will use them. Instead of expensing the full cost when purchased, you recognize a portion each year as the asset loses value.

Why Depreciation Matters

Depreciation matches expenses with the periods that benefit from the asset. Buying a $50K warehouse forklift should not crush one month's profits. The cost spreads across the 5 years you will use it.

For ecommerce founders with significant equipment, understanding depreciation helps with tax planning and cash flow forecasting. Depreciation reduces taxable income without reducing cash, since you already paid for the asset.

Common Methods

Straight-line depreciation divides cost evenly over useful life. Accelerated methods front-load expenses. Most startups use straight-line for simplicity.

Example

Your ecommerce company buys warehouse equipment:

  • Equipment Cost: $60,000
  • Salvage Value: $6,000
  • Useful Life: 6 years

Annual Depreciation = ($60,000 - $6,000) รท 6 = $9,000

Each year you expense $9,000, reducing taxable income without affecting cash flow.

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