401k Max Contribution 2024 Calculator Roth. This is an extra $500 over 2023.  — as kiplinger has reported, if you are younger than 50, the maximum amount you can contribute to a roth 401(k) for 2024 is $23,000.

 — the 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.  — 401 (k) contribution limits for 2024.