401k Max 2024 After Tax Calculator. Use this calculator to see how increasing your contributions to a 401 (k) can affect your paycheck as well as your retirement savings. The 401 (k) contribution limit for 2024 is $23,000 for employee contributions, and $69,000 for the combined employee and employer contributions.

Contributing to a traditional 401 (k) could help reduce your taxable income now, but in most cases, you’ll pay taxes. For 2024, the 401 (k) annual contribution limit is $23,000, up from $22,500 in 2023.