Is There A Limit For After Tax 401K Contributions? (opens in new tab)

For 2026, the total 401K tax contribution limit is $72,000. This number includes pre tax deferrals, after tax contributions, and employer matching. The pre tax deferrals has a limit of $24,500. Let's say your employer matching tops out at $5,500. This leaves you with $42,000 of after tax contributions. Is this $42,000 a limit per say, or is it just the left over number after taking into account the pre tax deferrals and the employer matching? Let's say you contribute more heavily towards the ...