Finance

Double-Declining Depreciation Calculator

Estimate one year of declining-balance depreciation subject to a salvage floor.

Amounts stay on this deviceMethod and assumptions below
Financial workspace
Financial workspace

Check the assumptions, then compare another scenario.

See the method

Build a scenario

Runs on your device

Your financial summary

Your result

Let’s calculate.

Use the Calculate button to see your result.

Estimate based on your inputs and the stated assumptions.

How to use this tool

  1. Enter opening book value, salvage value, useful life.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

Input reference and sample values

Use the units and choices shown for each field. Sample values are provided for practice, not as recommendations.

InputFormat and unitsSample
Opening book valueNumeric value. Unit: money. Must be greater than zero.10000
Salvage valueNumeric value. Unit: money. Zero or positive.1000
Useful lifeNumeric value. Unit: years. Must be greater than zero.5

Result for these sample inputs

4000 currency units

Select Try the example in the form to load these values and calculate them again. This replaces the current form inputs. Compare the result with the method and worked explanation below.

The method, explained

Depreciation = min(opening book value × 2/life, opening book value − salvage).

A WORKED EXAMPLE

Using opening book value = 10000 money, salvage value = 1000 money, useful life = 5 years, the result is 4000 currency. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

A scenario calculation using your inputs, before unlisted fees or taxes. It is not a quoted product rate or personalized recommendation.

Methodology maintained by ClarityKit. How these tools are built and checked.