Can I Put HSA into 401k? - Understanding How HSA and 401k Work Together

Many individuals wonder if they can transfer funds from their Health Savings Account (HSA) into their 401(k) retirement account. Both HSA and 401(k) offer valuable tax benefits, but they serve different purposes and have specific rules governing them.

Here's what you need to know:

  • HSAs are used to save for medical expenses tax-free. Contributions to HSAs are tax-deductible, grow tax-free, and withdrawals for qualified medical expenses are tax-free.
  • 401(k) accounts are retirement savings accounts where contributions are made with pre-tax dollars, allowing the funds to grow tax-deferred until retirement.
  • While both accounts offer tax advantages, they cannot be directly combined or transferred into each other.

Here are some key points to consider:

  • You can't directly transfer funds from your HSA into your 401(k).
  • Some employers allow you to contribute to both HSA and 401(k) through payroll deductions.
  • If you leave your job, you can rollover your HSA funds into another HSA account, but not into a 401(k).
  • Maximizing contributions to both HSA and 401(k) can provide significant tax advantages and help you save for both medical expenses and retirement.

Understanding how HSA and 401(k) work together can help you make informed decisions about your healthcare and retirement savings strategy.


Many individuals often ask if it's possible to transfer funds from their Health Savings Account (HSA) into a 401(k). While both accounts are designed to help you save money and offer tax benefits, they fulfill different needs and have unique regulations governing them.

Understanding these differences is key to making sound financial decisions:

  • HSAs allow you to set aside money specifically for qualified medical expenses without the burden of taxes—contributions are tax-deductible, the account grows tax-free, and withdrawals used for eligible medical costs are tax-free too.
  • On the other hand, 401(k) accounts focus on retirement savings, letting you contribute pre-tax dollars that grow tax-deferred until you retire.
  • Although both accounts are beneficial, it's important to remember they cannot be directly interchanged or transferred into one another.

Here are some important points to note:

  • Direct transfers from an HSA to a 401(k) are not permitted.
  • Many employers offer options to contribute to both an HSA and 401(k) via payroll deductions, allowing you to maximize your savings.
  • If you choose to leave your job, it's possible to roll over your HSA funds into another HSA, but not into your 401(k).
  • By maximizing contributions to both your HSA and 401(k), you can enjoy considerable tax benefits that can bolster your savings for medical expenses as well as secure your financial future in retirement.

By comprehending how HSAs and 401(k) plans interact, you can make more informed choices about managing your healthcare expenditures and retirement planning effectively.

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