Depreciation Calculator – Asset Value Over Time

Calculate annual depreciation and book value using straight-line or double declining balance.

📊 Finance📐
Asset cost ($)
Salvage value ($)
Useful life (years)
Method
Please enter valid values.

Formula & Reference

VariableFormulaUnits
Depreciation Calculator – Asset Value Over Timeresult

Step-by-Step Examples

Example 1
$35K car, $5K salvage, 5yr SL

  • Annual: $6,000 | Book value: $5K at end
✓ $6,000/year
Example 2
$100K equipment, 10yr SL

  • Annual: $10,000
✓ $10,000/year
Example 3
$50K, 5yr DDB

  • Year 1: $20,000 (front-loaded)
✓ $20,000 yr 1

Real-World Applications

Common Mistakes to Avoid

⚠️
Book vs market value

Book value rarely equals actual market value.

⚠️
Tax method

IRS uses MACRS. Section 179 allows immediate expensing.

Frequently Asked Questions

SL vs DDB?
SL: equal each year. DDB: more in early years.
Section 179?
Deduct full cost in year of purchase. $1.16M limit (2024).
Bonus depreciation?
60% bonus depreciation in 2024. Consult tax professional.

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