2024 401k Maximum Contribution Calculator. The contribution limit for 401(k)s, 403(b)s, most 457 plans and the federal government's thrift savings plan is $23,000 for 2024, up from $22,500 in 2023. Contributions to 401 (k)s can be automatically deducted from your paycheck.

For 2024, the 401 (k) limit for employee salary deferrals is $23,000, which is above the 2023 401 (k) limit of $22,500. You may find that your employer matches or makes part of your contributions, as many do.