401k Limit 2024 After Tax Calculator. For 2024, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. In 2024, you can contribute up to $23,000 to your 401 (k).

Enter the date on your paycheck. The 401k limits for 2021 and 2022 set by the irs are $19,500 and $20,500, respectively.