2024 Irs 401k Contribution Limits. Use our calculator to estimate your future balance. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you're 50 or older).

For 2024, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. You can contribute to more than one 401 (k) plan.