Solo 401 K Contribution Limits 2024. The total contribution limit for a solo 401(k) as both employer and employee is $66,000 for 2023, and $69,000 for 2024, or 25% of your adjusted gross income,. Find out how much you can contribute to your solo 401k with our free contribution calculator.
The 401(k) contribution limit is $23,000. For 2024, you can contribute up to $69,000, or $76,500 if you’re 50 or older.