Developer Tools

Depreciation — Straight-Line & Accelerated

Calculate yearly depreciation and book value using straight-line, double-declining balance, or sum-of-years digits—reference for asset planning.

DepreciationFinanceCalculator

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Quick actions

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Estimate annual depreciation expense
  • Compare depreciation methods
  • Draft asset schedules

How to use

  1. Enter original cost and salvage
  2. Pick useful life and method
  3. Review yearly amounts and net book value

Example input and output

Asset

¥100k / 5y straight

Year 1

Depreciation amount

FAQ

Which method to pick?

Straight-line is even; accelerated methods front-load expense—follow your accounting policy.

Is salvage required?

Recommended; use 0 if you assume full amortization to end of life.

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