401k Max 2024 After Tax Calculator. In 2024, you can contribute up to $23,000 to your 401 (k). Contributing to a traditional 401 (k) could help reduce your taxable income now, but in most cases, you’ll pay taxes.

Starting in 2024, employees can contribute up to $23,000 into their 401(k), 403(b), most 457 plans or the thrift savings plan for federal employees, the irs. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.