Roth IRA vs Traditional IRA: Tax Math Comparison

Retained from the earlier FinanceMath website. This historical guide has not yet completed the rebuild’s editorial review. Tax rates, eligibility rules and dated claims must be checked against current official sources. For tested calculation methods, use the current calculators.

Taxes & Retirement • Jul 2026

Roth IRA vs Traditional IRA: Tax Math Comparison

Compare upfront tax deductions versus tax-free withdrawals in retirement to pick the optimal IRA.

Tax Now vs Tax Later

Traditional IRAs provide tax deductions on contributions today, with ordinary income tax due in retirement. Roth IRAs use post-tax dollars now, yielding tax-free withdrawals later.