Limit For 401k Contribution 2024 Self Employed. The maximum limit went from $66,000 in 2023 to $69,000. The total solo 401 (k) contribution limit is up to $69,000 in 2024.

This is an increase of $500 from 2023. Solo 401(k) contribution calculator please note that this calculator is only intended for sole proprietors (or llcs taxed as such).