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Roth vs Traditional IRA Calculator — Which Wins?

Compare Roth and Traditional IRA outcomes side by side — accounting for your current tax rate, retirement tax rate, and time horizon.

Quick answer: Roth accounts favor paying tax now when your future tax rate may be higher; Traditional accounts favor deducting contributions now when your current rate is higher. Compare after-tax retirement value.

SWReviewed by SwitchWize Research Desk · Last reviewed July 20, 2026
Roth IRA Value at Retirement
$474,368
Roth IRA Value at Retirement
$474,368
Traditional IRA Value (before withdrawal tax)
$474,368
Traditional IRA Value (after-tax)
$388,982
Roth Value Minus Traditional After-Tax Value
$85,386
Estimated Current-Year Traditional IRA Tax Savings
$1,650
Diagnostic

With the same annual IRA deposit, the Roth-minus-traditional after-tax difference is $85,386.

This comparison does not model whether you invest the traditional IRA tax savings, contribution eligibility, or future tax-law changes.

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What to do next

Roth comes out ahead by $85,386 under these assumptions. This doesn't credit Traditional with reinvesting today's tax savings. See that figure separately.

Your action plan
  1. 1

    Compare the leading option against your current setup

    Compare the long-term after-tax value of each IRA type.

  2. 2

    Check the assumptions before using the result for a high-stakes decision

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

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This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

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Frequently Asked Questions

Everything you need to know.

Should I choose Roth or Traditional IRA?
Roth: if you expect to be in a higher tax bracket in retirement, you are early in career, or you want tax-free withdrawals. Traditional: if you are in a high tax bracket now and expect lower taxes in retirement, or need the deduction. Under $50,000 income: almost always Roth. Over $150,000: often Traditional.
Can I contribute to both Roth and Traditional IRA in the same year?
Yes, but the combined contribution across both cannot exceed the annual limit ($7,500 in 2026, $8,600 if 50+). Most people choose one or the other. If you cannot decide, split the contribution.
What is the Roth IRA income limit in 2026?
Direct Roth IRA contributions phase out between $153,000–$168,000 for single filers and $242,000–$252,000 for married filing jointly in 2026. Above these limits, use the backdoor Roth strategy: contribute to a non-deductible Traditional IRA then immediately convert to Roth.
Is the Roth vs Traditional IRA Calculator — Which Wins? free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Roth vs Traditional IRA Calculator — Which Wins? affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to compare ira options, or run Money Map to compare this investing & retirement decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (ira) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

The Roth vs Traditional decision is a tax bet. Roth wins if your retirement tax rate is higher than your current rate. Traditional wins if lower. Neither is universally better — but most young earners in moderate tax brackets benefit more from Roth.

How to Use It

  1. 1Enter your annual contribution and current tax rate
  2. 2Estimate your retirement tax rate
  3. 3Set your investment return and years to retirement
  4. 4See after-tax wealth comparison for both accounts
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