Depreciation Calculator Excel

What this does

Depreciation spreads the cost of an asset across the years it is used, so each period carries a fair share of the expense instead of one big hit at purchase. Straight-line (SLN) charges the same amount every year; declining-balance (DDB) front-loads the expense, matching assets that lose most value early, like vehicles and laptops. Most people learn this as a sequence of clicks and forget it by next week; learning it as a pattern instead is what lets you apply it to the next, slightly different version of the problem without starting from scratch. That is the difference this page is trying to make. The difference between a quick fix and a sheet you can trust is the extra minute you spend validating “depreciation calculator excel”. Start on a copy or a tiny sample, keep the affected cells visible, and compare the result with the tool above before you touch the real workbook. When a formula is involved, keep the inputs labelled beside it, reference cells instead of typing values, and apply number formatting only after the result checks out. The point is a calculation you can defend to a CFO or an auditor, but the practical win is that someone else can open the file and understand what happened without asking you.

A worked example

A €10,000 machine with a €2,000 salvage value and a 5-year life depreciates by =SLN(10000,2000,5) = €1,600 every year under straight-line. Switch to declining balance and the first-year charge is larger — €4,000 — then tapers. The table and book-value curve above redraw the whole schedule as you change any input. You need a depreciation schedule for any fixed-asset register, a capex budget, or a P&L that has to match expense to the period that benefited. It is core to both management reporting and tax compliance. If there is any chance you will reuse this, drop it into a small template tab right now: a labelled input area on the left and the formula beside it, checked once against the tool above. Next time the same question comes up, the answer is a single paste away instead of a rebuild from memory.

In Google Sheets

Everything above works in Google Sheets too. Excel and Sheets share the formula syntax used here; only the surrounding menus are arranged differently. That portability is deliberate — learn it once and it follows you between the two tools and across Windows and Mac. Nothing on this page is behind a login: the tool runs entirely in your browser, the formula is shown in full with one-click copy, and the steps work the same on Windows and Mac. That is the whole promise here — the exact answer, a way to prove it on your own numbers, and just enough context to make it stick. If you take one thing from this page on “depreciation calculator excel”, make it the habit rather than the keystrokes: set the problem up with labelled inputs, reference those cells, and let Excel do the recomputing. Bookmark the page for the syntax, but do the example once in a blank sheet and check it against the tool above — five minutes of hands-on practice fixes the method in memory far better than re-reading, and it surfaces the small snags while they are still harmless. After that the technique is genuinely yours: faster than searching for it again, and reliable enough to drop into work that other people depend on.

Common mistakes

• Forgetting the salvage value, which over-depreciates the asset below its real residual worth.
• Mixing methods within one schedule, so the totals no longer reconcile.
• Using DDB without a period argument that increments each year.
• Confusing accounting depreciation with the tax schedule your jurisdiction actually requires.

Frequently asked questions