401k And Roth 401k Contribution Limits 2025. For the 2025 tax year, you can save a maximum of $23,000 in a roth 401(k). So, if you were exercising this option in 2025, you'd only be able to roll over up to $7,000, which is the 2025 limit for people.

For the 2025 tax year, you can save a maximum of $23,000 in a roth 401(k). Here’s how the 401(k) plan limits will change in 2025: