2024 401k Max Catch Up. For 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000. Employees can contribute up to $23,000 to their 401(k) plan for 2024 vs.
401(k) (other than a simple 401(k)). The roth 401 (k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions.