Open your return in TurboTax Desktop.
Go to the “Forms” mode (click on the “Forms” button in the top right).
In the left sidebar, scroll to find and open:
Keogh, SEP, and SIMPLE Contributions Wks(even if you're using a solo 401(k), TurboTax puts it here)
Look for the section labeled “Self-Employed Retirement Plans”.
You’ll see:
Net Profit from your Schedule C
The calculation of the allowable contribution, including:
Elective deferral (up to $23,000 for 2024 if under 50, or $30,500 if 50+)
Employer profit-sharing portion (up to 20% of net earnings)
Total allowed contribution.
