Depreciation: why equipment changes profit and cash on different schedules
Separate the cash paid for equipment from the depreciation expense recorded over time, and keep an asset register that supports both accounting and tax review.
Bottom line
Depreciation does not create a new cash payment each month. Cash changes when the asset is bought or financed. Depreciation allocates the recorded cost over periods under the applicable accounting policy. Tax depreciation can follow different rules, so keep the source records and involve a qualified adviser.
Is it right for you?
- Capture purchase date, placed-in-service date, cost, location, and owner
- Separate equipment, repairs, prepaid items, and ordinary expenses
- Record disposals, trade-ins, damage, and assets no longer in use
- Ask the accountant to approve useful life, method, and tax treatment
Separate three dates that often get mixed
The invoice date, payment date, and placed-in-service date may differ. AP records the supplier obligation and payment evidence. The fixed-asset process determines when the asset is ready for its intended use and when depreciation begins under the applicable policy.
If those dates are collapsed into one field, the business can pay correctly and still report the asset in the wrong period.
Follow one equipment purchase
| Event | Cash effect | Reporting effect |
|---|---|---|
| Buy equipment for cash | Cash falls at purchase | Equipment asset rises |
| Buy with financing | Cash effect depends on down payment and later debt service | Equipment and a liability may rise |
| Record periodic depreciation | No new payment from the depreciation entry | Expense and the depreciation-to-date balance rise |
| Dispose of the asset | Cash may be received or paid | Remove cost and the depreciation-to-date balance; record the resulting gain or loss under policy |
The asset register is the operating control
Keep the vendor invoice, serial number, location, custodian, cost components, in-service support, method, useful life, depreciation to date, and disposal evidence. A physical check should identify missing, idle, transferred, or scrapped assets.
IRS Publication 946 sets detailed U.S. tax rules and record requirements that do not automatically equal book treatment [IRS, 2026]. The business should not infer a tax election from a management-report example.
Frequently asked questions
Does depreciation mean cash left this month? No. The related cash flow occurred when the asset was purchased, financed, maintained, or disposed of.
Is every equipment invoice capitalized? No. Apply the company's capitalization policy and obtain accounting advice for uncertain items.
What is accumulated depreciation? It is the running total of expense recorded against an asset so far, shown as a deduction from that asset's cost.
Who chooses the depreciation method? Your accountant or tax adviser picks the method for book purposes and, separately, for tax.
How do I calculate depreciation? The most common book method is straight-line: subtract the asset's estimated salvage value from its cost, then divide by its useful life in years, to get an equal expense each year. A $12,000 machine with a $2,000 salvage value and a 5-year useful life depreciates $2,000 a year under straight-line. Declining-balance and other accelerated methods front-load the expense instead; the choice belongs to the accountant, not a software default.
What is the journal entry for depreciation? Debit the depreciation-expense account and credit the accumulated-depreciation account for the period amount; the asset's original cost account is never reduced directly. That running total is a contra-asset balance that grows over time and nets against the asset's cost on the balance sheet, a good reminder to keep the original cost and the running total as two separate lines in your fixed-asset records.
Related reading on this: General ledger.