Section 179 expensing headroom, 2024

This works out one number from the Section 179 Deduction Limit figures published for 2024. Every amount it uses is below, with the document it was read from. What you enter is your own: this site has no way to check it, and the answer it produces is not a published figure.

Maximum section 179 expensing deduction$1,220,000

Effective 2024-01-01Source: Rev. Proc. 2023-34 (IRS)Verified 2026-08-29

How it is worked out

The published amount less the amount you enter, rounded to the nearest cent. Where what you enter is the larger of the two, the answer is nothing rather than a negative amount.

It uses Maximum section 179 expensing deduction, $1,220,000, the only one this year publishes.

Figures in this colour are computed from the amounts above. They are not published figures and no document states them.

Work it out

The live calculator needs JavaScript. The table below covers common amounts and is computed the same way.

Worked out for common amounts

Expensed so far this yearResult
0$1,220,000
100,000$1,120,000
500,000$720,000
1,000,000$220,000
How each figure was verified

Each number below was read from a stored copy of the document named beside it, and checked to occur word for word in the quoted sentence. The digest is of that stored text.

Rev. Proc. 2023-34 (IRS)

Maximum section 179 expensing deduction
Election to Expense Certain Depreciable Assets. For taxable years beginning in 2024, under § 179(b)(1), the aggregate cost of any § 179 property that a taxpayer elects to treat as an expense cannot exceed $1,220,000
  • Fetched 2026-08-29T03:12:17.981Z
  • Verified 2026-08-29
  • Stored text sha256 8eccc04edeb8f99c97dc5e11688db27c1f8846a1f2be816fbd17df525890f38f

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