Solo 401k Employee Contribution Limits 2024 Calendar. For the tax year 2024, the maximum solo 401k contribution is: With a solo 401 (k), depending on your salary and age, you can contribute $66,000 per year or $73,500 for those 50 or older in 2023.
If you are 50 or older, you can contribute an extra $7,500 bringing your total. Solo 401 k contribution limits 2024 calendar.