7-year property · 200% declining balance, half-year
Includes: General machinery and tools with no specific asset class. Watch: Many industries have their own asset class in Table B-2 (manufacturing, construction, mining and so on). If yours is listed there, its recovery period applies instead.
| Line 12 · Section 179 expense | $0.00 |
|---|---|
| Line 14 · Special (bonus) depreciation, 100% | $75,000.00 |
| Line 19 · MACRS, 7-year property | $0.00 |
Basis = cost × business use · bonus = (basis − §179) × bonus rate · each year = (basis − §179 − bonus) × table rate
IRS Pub 946 tables · §179 and bonus per the One Big Beautiful Bill Act · car limits per §280F and the IRS yearly revenue procedure.
Placed in service March 2026, 100% business use, no section 179 or bonus.
| Tax year | Depreciation |
|---|---|
| 2026 | $10,718 |
| 2027 | $18,368 |
| 2028 | $13,118 |
| 2029 | $9,368 |
| 2030 | $6,698 |
| 2031 | $6,690 |
| 2032 | $6,698 |
| 2033 | $3,345 |
Source: Pub 946 chapter 4, 7-year property: "any property that does not have a class life and has not been designated by law as being in any other class" (ADS 12). IRS Publication 946.
Machinery and equipment are 7-year property under MACRS (the General Depreciation System), depreciated with 200% declining balance, half-year. Under the Alternative Depreciation System the period is 12 years. Source: Pub 946 chapter 4, 7-year property: "any property that does not have a class life and has not been designated by law as being in any other class" (ADS 12).
Section 179 lets you deduct up to $2,560,000 in 2026 (reduced above $4,090,000 of purchases), as long as the business has the income. Bonus depreciation is 100% for property acquired after January 19, 2025, under the One Big Beautiful Bill Act.
With no section 179 or bonus, placed in service in March 2026: $10,718 in 2026, $18,368 in 2027, $13,118 in 2028, $9,368 in 2029, and so on. The calculator above works it out for your own cost, date and business use.
Many industries have their own asset class in Table B-2 (manufacturing, construction, mining and so on). If yours is listed there, its recovery period applies instead.