Basics

IRA vs. 401(k): Workplace Plans, Individual IRAs & Why the Comparison Shows Up in Search

Queries like IRA vs 401k and difference between IRA and 401k mix two different buckets: a 401(k) is typically an employer-sponsored plan with payroll deductions and possible matching; an IRA is an individual retirement arrangement you establish with a custodian, subject to separate eligibility and contribution rules. This site’s calculators focus on 401(k)-style salary and deferral math—use IRA rules from IRS.gov for IRA-specific limits.

401(k): Salary, Match, and Plan Document

Workplace plans use elective deferrals via payroll, may include employer match or nonelective contributions, and impose plan-specific investment menus and vesting. Model match tiers with our 401k calculator with match; project balances with the 401k calculator.

Traditional IRA and Roth IRA: Individual Caps and Income Tests

Traditional and Roth IRAs have annual contribution limits and may be constrained by earned income, filing status, and—for Roth IRA—MAGI phase-outs. Deductibility of traditional IRA contributions can be affected if you or a spouse are covered by a workplace plan. This article does not reproduce IRA limit tables—verify annually on IRS.gov.

Using Both Accounts in One Household Strategy

Many households max the employer match first, then weigh Roth vs. traditional elections, then fund IRAs or taxable investing depending on cash flow and tax planning—this is generic sequencing language, not a recommendation for you.

Rollovers: Where IRA Meets Your Old 401(k)

After a job change, you may roll pre-tax 401(k) money into a traditional IRA using rules summarized in 401(k) rollover to IRA.

Creditor protection, loans, and investment menus

ERISA vs. IRA state law

Workplace 401(k) assets often have strong federal creditor protection in bankruptcy; IRA protections vary by state and dollar caps—factor this into rollover decisions, not just fees.

Loans and hardship

401(k) plans may offer loans; IRAs do not. If liquidity is a priority, compare loan vs. hardship before consolidating to an IRA.

Investment choice and advice

401(k) lineups are curated; IRAs open the full broker universe—more choice also means more responsibility to avoid high-cost products.

Common misconceptions

“IRA and 401(k) share one combined annual limit”

Workplace elective deferrals and IRA contributions follow different caps and phase-out rules—treat them as separate buckets in planning.

“Rolling to IRA always lowers fees”

Institutional 401(k) share classes sometimes beat retail IRAs—compare expense ratios and advice costs before consolidating.

“I can borrow from my IRA like a 401(k)”

IRAs do not offer participant loans—liquidity comparisons should include loan availability vs. withdrawal/rollover tradeoffs.

FAQ

Should I fund IRA or 401(k) first?

A common heuristic is to capture full employer match in the 401(k), then evaluate IRA vs. additional deferrals—your marginal rate and fees matter.

Can I max both?

Yes, if income and IRA eligibility allow—limits are separate for workplace deferrals vs. IRA contributions (subject to phase-outs).

Does backdoor Roth affect this comparison?

Backdoor Roth IRAs involve non-deductible IRA contributions and conversions—different plumbing than Roth 401(k) deferrals; coordinate with a CPA if you have both.

Checklist: IRA vs. 401(k) next dollars

Confirm you captured the full employer match before prioritizing IRA contributions.
Check traditional IRA deductibility if you or a spouse has a workplace plan.
Compare fund menus and expense ratios for staying in-plan vs. rolling to an IRA.
Document any rollovers with custodian names so Roth basis and conversions stay traceable.