InovoTools
Finance

Depreciation Calculator: Straight Line, Declining Balance and SYD

Enter an asset cost, its salvage value, its useful life and a method to see the yearly depreciation and book value. Straight line spreads the cost evenly, declining balance front loads it and sum-of-years digits sits between them.

01

Your inputs

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02

Your result

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Enter your values and run the tool. Your result will appear here.

How to use the Depreciation Calculator

Enter the asset cost, salvage value and useful life and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.

The formula

Straight-line = (cost − salvage) ÷ life

Examples

  • 20,000 asset, 2,000 salvage, 5 years, straight line
    Year | Depreciation | Book value
    1 | $3,600.00 | $16,400.00
    2 | $3,600.00 | $12,800.00
    3 | $3,600.00 | $9,200.00
  • Same asset, double declining balance
    Year | Depreciation | Book value
    1 | $8,000.00 | $12,000.00
    2 | $4,800.00 | $7,200.00
    3 | $2,880.00 | $4,320.00
  • Same asset, sum of the years digits
    Year | Depreciation | Book value
    1 | $6,000.00 | $14,000.00
    2 | $4,800.00 | $9,200.00
    3 | $3,600.00 | $5,600.00

Limitations and assumptions

Accounting estimate. Tax depreciation (MACRS and similar) follows different tables.

Frequently asked questions

What is the straight line formula?

(Cost − salvage value) ÷ useful life in years.

When use declining balance?

For assets that lose value fastest early, such as vehicles and computers.

What is salvage value?

The estimated value at the end of its useful life.

Is this tax advice?

No. Tax rules often prescribe their own methods and lives.