2024 401k Contribution Limits Catch Up Calculator. According to the irs, for 2024 the 401k contribution limit is $23,000 (this an increase from the 2023 401k contribution limits of $22,500). Total contributions cannot exceed 100% of an employee’s annual compensation.

401(k) (other than a simple. The limit for overall contributions—including the employer match—is 100% of your.