Max 401k Contribution For 2024. Employees can invest more money into 401 (k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024. Use our calculator to estimate your future balance.

For 2024, the 401(k) limit for employee salary deferrals is $23,000, which is above the 2023 401(k) limit of $22,500. Those 50 and older can contribute an additional $7,500.