Equipment and property don’t get expensed all at once — they depreciate over their useful life, and tracking that correctly matters for both your financial statements and your taxes. This template lists every asset and calculates straight-line depreciation automatically, year by year.
Included in the $7/mo Tools Club · Works in Excel or Google Sheets · Includes a built-in AI prompt
Calculating depreciation by hand for even a handful of assets, each with a different purchase date and useful life, gets error-prone fast — and an incorrect depreciation figure flows straight into your P&L and balance sheet. This template calculates it automatically and consistently for every asset on your list.
Download and open in Excel or Google Sheets
Requires a Tools Club membership — log in first to access the file.
List each fixed asset with its purchase date and cost
Equipment, vehicles, furniture, and property all belong here if they’re expected to last more than a year.
Enter the estimated useful life for each asset
This varies by asset type — check with your accountant or standard depreciation tables if you’re unsure.
Review the automatic annual depreciation calculation
The template calculates straight-line depreciation and current book value for you.
Run the built-in AI prompt to sanity-check your assumptions
Attach the saved file to ChatGPT or Claude and ask if your useful life estimates look reasonable for each asset type.
Built-in AI prompt
Once you've filled this template in, it includes a ready-to-use prompt at the bottom of the sheet. Attach your saved file to ChatGPT, Claude, or any AI chat tool and paste it in — you'll get plain-English feedback on whether your useful life assumptions look reasonable for each asset type, and how your total depreciation compares to what’s typical, no accounting background required.
Expensing a large asset purchase all at once
Equipment and property with a useful life beyond one year should generally be capitalized and depreciated, not expensed entirely in the purchase month — check with your accountant on your specific situation.
Using an unrealistic useful life estimate
A useful life that’s too short or too long distorts your P&L and book value — use standard depreciation guidelines or your accountant’s guidance for your asset type.
Forgetting to update the schedule when an asset is sold or retired
A disposed asset still sitting on the schedule overstates your asset base — remove or flag it when it’s no longer in use.
Mixing book depreciation with tax depreciation
Tax depreciation (like MACRS in the U.S.) often follows different rules and timelines than the straight-line method used for financial reporting — this template is built for straight-line book depreciation; use the Tax Depreciation Schedule template for tax-specific calculations.
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