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Free professional tools for cars, real estate, and business assets. Supports MACRS, Straight Line, Declining Balance and more.
Choose from our specialized tools designed for specific asset types and tax jurisdictions.
Understanding how assets lose value over time is essential for accurate financial planning and tax optimization.
Depreciation is the systematic allocation of an asset's cost over its useful life. When you purchase a car, building, or piece of equipment, it doesn't maintain its original value forever—wear and tear, obsolescence, and market conditions cause it to decline. Depreciation lets you recognize this loss in value over time, which is critical for both accounting accuracy and tax deductions.
For businesses, depreciation is one of the largest non-cash expenses on the income statement. The IRS allows you to deduct the cost of qualifying assets over their recovery period, reducing your taxable income each year. Choosing the right depreciation method can save thousands of dollars in taxes.
Spreads the cost evenly over the asset's useful life. Simple to calculate and widely used for financial reporting.
Try calculatorAccelerates depreciation in the early years when an asset loses the most value. Great for vehicles and tech.
Try calculatorThe standard US tax depreciation method. Required for most business assets on federal tax returns.
Try calculatorNot sure which method to use? Compare all depreciation methods or read our complete guide to depreciation.
Trusted by accountants, small business owners, and real estate investors for accurate depreciation calculations.
No sign-up, no credit card, no hidden fees. All calculators are completely free to use with unlimited calculations.
Our MACRS and Section 179 calculators follow current IRS guidelines. Updated for the OBBBA — 100% bonus depreciation restored.
Compare results across MACRS, Straight Line, Declining Balance, Sum-of-Years, and Units of Production methods side by side.
Detailed year-by-year schedules, exportable results, and support for Section 179, rental property, and more.
The One Big Beautiful Bill Act (signed July 4, 2025) restored 100% bonus depreciation and doubled the Section 179 limit to $2,500,000. All our calculators are updated.
See how different methods affect your annual deductions and asset book value. Export year-by-year schedules to PDF or CSV for your accountant or tax filing.