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Depreciation Calculator

Auto-generate depreciation schedules for straight-line and declining balance

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About Depreciation Calculator

Depreciation is the accounting process of allocating a fixed asset's cost over its useful life. Straight-line spreads costs evenly each year; declining balance (200% rate) applies a constant percentage to the remaining book value; sum-of-years-digits reduces depreciation yearly by dividing by the sum of years. This tool accepts asset cost, useful life, salvage value, and acquisition month, then generates a detailed schedule with month-based proration and rounding. Ideal for fixed asset management and tax filing reference.

How to use Depreciation Calculator

  1. Enter the asset cost
  2. Enter the useful life in years
  3. Enter the salvage value
  4. Select the month the asset was acquired
  5. Choose straight-line, declining balance, or sum-of-years-digits to view the schedule

Benefits of Depreciation Calculator

  • Supports three depreciation methods (straight-line, declining balance, sum-of-years-digits)
  • Auto-calculates month-based proration and rounding for practical use
  • View yearly depreciation amounts and book values in a clear table
  • Runs entirely in your browser with no server data transmission

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