2024 401k Contribution Limit Calculator. The 2024 contribution limit for 401 (k) plans is $23,000, up from $22,500 in 2023. This calculator will calculate the maximum contribution that an individual is able to make to a solo 401 (k).
Please note that this calculator is only intended for sole proprietors (or llcs taxed as such). Employer matches don’t count toward this limit and can be quite generous.