Calculate declining-balance depreciation from your own figures.
Calculated in your browser. No account required. Illustrative estimate. Review the assumptions before using the result.View calculation table
How this calculation works
Depreciation = Opening book value × Depreciation rate
Enter the labelled inputs. Percent fields use 5 for 5%. Do not depreciate below salvage value.
A worked example
Opening book value: 10000 USD; Depreciation rate: 20 %; Salvage value: 1000 USD. Declining-balance depreciation: 2,000 USD.
Assumptions and limitations
Do not depreciate below salvage value. All monetary inputs must use one currency and time period unless conversion is explicit. Manual inputs only; no live prices or official rule tables.
Common questions
Why can my actual result differ?
Do not depreciate below salvage value. All monetary inputs must use one currency and time period unless conversion is explicit. Manual inputs only; no live prices or official rule tables.
Are my inputs saved?
The calculator code processes inputs within your browser and does not send them to our server or save them in browser storage. Downloads and copied summaries remain under your control.