What are the 2026 IRA contribution limits?

The 2026 IRA contribution limit is $7,000 per individual ($8,000 for those age 50 and older). This limit applies to the combined total of Traditional and Roth IRA contributions -- you can split contributions between the two types, but the combined total cannot exceed $7,000 (or $8,000 with catch-up). The limit is subject to annual IRS inflation adjustments and will increase over time.

At what retirement tax rate does Traditional IRA beat Roth?

Traditional IRA produces more after-tax wealth when your retirement marginal tax rate is lower than your current contribution-year rate. Mathematically, the break-even is exactly your current tax rate. Below that rate, Traditional wins. Above it, Roth wins. In practice, retirement tax rates depend on total income from all sources: Social Security, RMDs, pension, investment income -- not just the IRA withdrawals themselves.

Can I contribute to both a Roth IRA and a Traditional IRA in the same year?

Yes, but your combined contributions cannot exceed the annual limit ($7,000 or $8,000 with catch-up). You could contribute $3,500 to each, for example. Most financial planners recommend deciding which type aligns better with your tax situation and maximizing that account rather than splitting, unless tax diversification is a deliberate goal.

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Roth IRA vs. Traditional IRA Calculator

Compare after-tax retirement values of Roth and Traditional IRA contributions based on current and projected tax brackets, with 2026 IRS contribution limits and income phase-outs.

Annual Contribution ($)

Current Age

Retirement Age

Expected Annual Return (%)

A 7% annual return reflects historical stock market averages after inflation.

Tax Rates

Current Federal (%)

Retirement Federal (%)

State Tax Rate (%)

If you expect a lower tax bracket in retirement, Traditional IRA may win. If you expect the same or higher bracket, Roth IRA typically wins. State tax applies to both current and retirement periods.

IRA Comparison

Enter your details and click compare.

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Introduction

The Roth vs. Traditional IRA decision is fundamentally a tax rate timing bet: pay taxes now (Roth) or pay taxes later (Traditional). If your tax rate at withdrawal will be higher than your current rate, Roth wins. If your rate will be lower, Traditional wins. If rates are identical, they are mathematically equivalent -- assuming consistent rates, which the tax code never actually provides. What most calculators ignore is the effective advantage of the Roth's larger actual invested amount. When you contribute $7,000 to a Roth IRA, you are investing $7,000 of after-tax money. Contributing $7,000 to a Traditional IRA is investing $7,000 of pre-tax money -- but you owe tax on withdrawal, making the effective contribution smaller. The IRS Publication 590-A covers contribution rules and limits in detail. For 2026, the IRA contribution limit is $7,000 ($8,000 for those age 50 and older). This calculator models the complete after-tax outcome under both structures, with Roth conversion analysis.

What This Calculator Does

This Roth vs. Traditional IRA calculator projects the after-tax retirement balance under both account types using 2026 IRS contribution limits. Enter your current age, expected retirement age, current marginal tax rate, expected retirement tax rate, annual contribution, expected annual return, and existing balances. The calculator shows: final Traditional balance before and after projected taxes, final Roth balance (already after-tax), break-even retirement tax rate, and the better choice at different retirement tax rate scenarios.

The Formula

Roth Final Value = Contribution After Tax x (1+r)^n [tax-free withdrawal] | Traditional Final Value = Pre-Tax Contribution x (1+r)^n x (1 - Retirement Tax Rate) | Break-Even Rate: find the retirement rate where both equal the same after-tax amount

Both accounts grow at the same rate; the timing of taxation is the difference. In a Traditional IRA, you contribute pre-tax dollars, reducing current taxable income by the contribution amount. All withdrawals are taxed at ordinary income rates in retirement. In a Roth IRA, you contribute after-tax dollars with no current deduction. All qualified withdrawals (after age 59.5, account open at least 5 years) are completely tax-free. If current and retirement rates are identical, the two are exactly equivalent -- each results in the same after-tax amount. If retirement rate is lower, Traditional wins. If higher, Roth wins.

Step-by-Step Example

Set up parameters

Age: 32. Retirement age: 65. Years invested: 33. Annual contribution: $7,000. Annual return: 7%. Current marginal tax rate: 22%. Expected retirement marginal rate: 18%.

Traditional IRA projection

Annual pre-tax contribution: $7,000. After 33 years at 7%: $7,000 x [(1.07^33 - 1) / 0.07] = $7,000 x 122.37 = $856,590 gross balance. After 18% retirement tax: $856,590 x (1 - 0.18) = $702,404 net after-tax.

Roth IRA projection

To contribute $7,000 to Roth, you spend $7,000 of after-tax money. The pre-tax equivalent: $7,000 / (1 - 0.22) = $8,974 of gross income. Roth grows identically: $856,590. But all of it is tax-free. Roth after-tax: $856,590.

Compare outcomes

At 18% retirement rate: Traditional nets $702,404 after tax. Roth nets $856,590 after tax. Roth advantage: $154,186. Why? Because the Roth was funded with after-tax money equivalent to more pre-tax gross income, and the entire growth is untaxed. The break-even retirement tax rate (where both are equal) is 22% -- your current rate.

Real-World Use Cases

Early-Career Worker in Low Bracket

A 24-year-old in the 12% bracket contributes to a Roth IRA. At retirement in 40 years, they expect to be in the 22% or 24% bracket from Required Minimum Distributions and Social Security. The Roth locks in the 12% rate today. Every dollar saved in Roth at 12% now avoids being taxed at 22% to 24% later -- a clear mathematical win for Roth.

High Earner Reducing Current Tax with Traditional

A 52-year-old in the 32% bracket makes the maximum Traditional IRA contribution of $8,000 (catch-up). The current tax savings: $8,000 x 32% = $2,560 per year. If they expect 18% to 22% tax in retirement, the Traditional deduction today is more valuable than the Roth tax exemption at a lower future rate.

Roth Conversion Opportunity

A retired investor at 63 has $800,000 in a Traditional IRA and is in the 12% bracket before Social Security begins at 67. They convert $30,000 to Roth annually during these low-tax years, paying only 12% now to avoid 22%+ tax when Social Security income and RMDs push them into a higher bracket at 73.

Comparison

Scenario	Current Tax Rate	Retirement Tax Rate	Better Account	After-Tax Advantage
Young earner, early career	12%	22%	Roth	Roth by 18-25% more wealth
Mid-career, stable income	22%	22%	Equal	Both identical after-tax
High earner, same bracket	32%	32%	Equal (but Roth for RMD avoidance)	Roth slightly better (no RMDs)
Peak earner, retiring to lower bracket	35%	22%	Traditional	Traditional by 13% more wealth
Pre-retiree with Roth conversion window	12% (early retirement)	22% (later RMDs)	Convert Traditional to Roth now	Significant long-term tax savings
Self-employed, variable income	Varies	Unknown	Split strategy	Hedge against tax rate uncertainty

Common Mistakes to Avoid

Ignoring Required Minimum Distributions. Traditional IRAs require RMDs starting at age 73, forcing taxable withdrawals whether you need the income or not. Roth IRAs have no RMDs during the owner's lifetime. For investors who do not need to spend down their IRA, the Roth's RMD exemption has significant value that the rate comparison alone does not capture.
Contributing to Roth when you have a current high marginal rate and expect a lower rate in retirement. If you are in the 37% bracket now and will live on $60,000 in retirement (22% bracket), the Traditional deduction at 37% is worth significantly more than the Roth exemption at 22%.
Not considering backdoor Roth contributions when income exceeds Roth eligibility limits. Direct Roth IRA contributions phase out at $150,000 to $165,000 (single) and $236,000 to $246,000 (married) in 2026. High earners can use the backdoor Roth strategy: make a non-deductible Traditional IRA contribution, then convert it to Roth. Pro-rata rules apply if you have other pre-tax IRA balances.
Treating the accounts as identical if rates match. Even with identical current and retirement rates, Roth has non-monetary advantages: no RMDs, tax-free inheritance to heirs (who may be in high brackets), and flexibility to withdraw contributions (not earnings) penalty-free before retirement if needed.

Frequently Asked Questions

Accuracy and Disclaimer

Roth vs. Traditional IRA projections use simplified assumptions including constant tax rates and annual returns. Actual outcomes depend on future tax law changes, your complete income picture in retirement (Social Security, RMDs, pension, investment income), state income taxes, inflation, and individual financial circumstances. The tax treatment of Roth and Traditional accounts may change under future legislation. This calculator does not constitute tax or financial advice. Consult a CPA and financial advisor for personalized retirement account strategy.

Conclusion

The Roth vs. Traditional decision should be revisited as your income, tax bracket, and retirement savings grow. Early-career workers in low brackets benefit most from Roth contributions. High earners near retirement often maximize Traditional to reduce current taxable income. A split strategy -- contributing to both types -- provides tax diversification that gives flexibility in retirement. After running this comparison, use the 401(k) Contribution Limit Optimizer to maximize total tax-advantaged savings across all available accounts, and the Safe Withdrawal Rate Calculator to plan how Roth and Traditional accounts are drawn down in retirement.