Calculate straight-line depreciation for an asset. Enter initial cost, salvage value, and useful life.

Annual Depreciation: $1,800.00
Monthly Depreciation: $150.00
Total Depreciation: $9,000.00
Book Value at End: $1,000.00
Depreciation Rate: 20.00%

Formula: Annual Depreciation = (Cost − Salvage) ÷ Useful Life.

Straight-Line Depreciation

Straight-line depreciation spreads the cost of an asset evenly over its useful life. Annual depreciation = (Cost − Salvage) ÷ Years .

How to Use This Calculator

1. Enter initial cost: Purchase price of the asset.
2. Enter salvage value: Value at end of useful life.
3. Enter useful life: Expected years of use.
4. Calculate: Click “Calculate” or press Enter.