What the tool does, how to run it, and what to expect from the result.
Calculate depreciation for any year of an asset’s life with straight-line, double declining balance or sum-of-the-years’-digits, with book value and accumulated depreciation. The math updates instantly and runs on your device, so it is fast, private, and available offline.
A quick way to understand who this helps, what it solves, and where it connects next.
Shoppers, students, freelancers, and anyone who needs a quick, private calculation.
Fast everyday math without a spreadsheet, app install, or sign-up.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up, no watermark, and no usage limits.
No. Amounts are currency-neutral and use the same unit across all inputs, so it works in any country.
Each year depreciates the current book value at twice the straight-line rate (2 ÷ life), never going below salvage value. A $50,000 asset with a 5-year life loses 40%, $20,000, in year one.
Straight line spreads cost evenly and is the default for books. Accelerated methods front-load expense for assets that lose value fast. US tax returns use MACRS tables, which this calculator does not apply.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser. Amounts are shown without a currency symbol so they work anywhere.