Roth 401 K Contribution Limit 2024 Employer. In 2024, you can contribute $23,000 to the roth portion of your solo 401 (k). Total 401 (k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024.
For 2024, the limit is $23,000, or $30,500 if you’re 50 or older. Total 401 (k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024.