Net Operating Loss Calculator
Apply the 80 percent limit to NOL carryovers you have already figured, and show the excess business loss cap.
The excess business loss threshold is $313,000 for 2025, $256,000 for 2026, and $264,000 for 2027, doubled for joint filers.
Estimate
$20,000.00
- NOL deduction allowed
- $20,000.00
- Taxable income after the deduction
- $30,000.00
- Post-2017 carryover remaining
- $0.00
- Excess business loss
- $0.00
- This estimate is calculated in your browser and is not sent to a server.
- The post-2017 NOL is limited to 80 percent of taxable income. The 2026 excess business loss threshold used here is $256,000.00.
Limits of this estimate
- You must figure the NOL itself before using this page.
- The excess business loss is shown separately from the carryover deduction.
- This is educational information, not tax, legal, or accounting advice, and it does not file a return.