Solo 401k Contribution Limits 2024 Calculator. Use our free solo 401k retirement calculator to see how much your nest egg can grow. Please note that this calculator is only intended for sole proprietors (or llcs taxed as such).

For 2023, the solo 401 (k) contribution limits are $66,000 or $73,500 if you are at least age 50. Use the solo 401 (k) contribution comparison to estimate the potential contribution that can be made to a solo 401 (k) plan, compared to profit sharing, simple, or sep plan.