401k And Roth Ira Contribution Limits 2024 Calculator. Find out how much you can contribute to your solo 401k with our free contribution calculator. Unlike taxable investment accounts, you.

 — one of the benefits of a roth 401 (k) versus roth ira is that you can contribute more to your account.  — the 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.