Catch Up 401k Limits 2024. — for 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000. — in 2024, the maximum you can invest in your 401 (k) is $23,000, and this doesn't include any employer matching contributions.
— for 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000. The dollar limitation for catch.