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Accumulated Depreciation

Accumulated Depreciation is a contra-asset account that reduces Equipment's original cost down to its current net book value as the equipment ages, without any cash actually moving.

In short

The running tally of wear on equipment. Recording depreciation debits Depreciation Expense and credits Accumulated Depreciation — no cash leaves the bank, since the actual cash left when the equipment was originally bought. It's a contra-asset, so its balance moves opposite to Equipment even though both sit in the asset section.

Also called: accum. depreciation

Accumulated Depreciation is where the gradual using-up of equipment gets recorded, separately from the original purchase. Buying a $6,000 machine converts $6,000 of cash into $6,000 of equipment in one moment; depreciation is the ongoing process of recognizing that the machine is a year closer to being used up, spread across the years it's actually used rather than all at once.

Each time depreciation is recorded, the entry debits Depreciation Expense — a real cost hitting the current period — and credits Accumulated Depreciation, which reduces Equipment's net value on the balance sheet without ever changing Equipment's own original-cost figure. No cash moves in this entry at all; the cash already left the business the day the equipment was originally purchased.

Because nothing prompts this entry the way a bank transaction prompts categorization — no statement line, no charge to code — depreciation is something a person or an accountant has to decide to record, usually on a schedule, which is exactly why it's the adjusting entry most often forgotten in books kept without an accountant's regular involvement.

How much to depreciate, and on what schedule, depends on the asset, the method chosen, and whether the figure is for tax purposes or a business's own management reporting — those can genuinely differ, and it's a real calculation an accountant provides rather than something to estimate from a general rule of thumb.

What people get wrong

  • Expecting BalanceMCP to calculate a depreciation schedule automatically — it posts whatever figure is supplied; the schedule itself is an accountant's calculation.
  • Forgetting no cash moves in a depreciation entry — the cash left when the equipment was originally bought, not when depreciation is recorded.
  • Skipping depreciation entirely because nothing prompts it the way an imported bank transaction does — it has to be initiated deliberately, usually on a schedule.

Common questions

Why is there an expense in a depreciation entry if no money left the account?
The money left when the equipment was originally bought. Depreciation records that the thing purchased is a year closer to being used up, not a new payment.
How much should I depreciate each period?
It depends on the asset, the depreciation method, and whether the figure is for tax or management reporting — ask an accountant for the schedule rather than estimating it.

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