401k Max Contribution 2024 Calculator Fidelity. This calculator is meant to help you determine the maximum elective salary deferral contribution you may make to your 403 (b) plan for 2024. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.

In 2024, you can contribute up to $23,000 to your 401(k). You may find that your employer matches or makes part of your contributions, as many do.