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Roth vs. Traditional IRA Calculator

Written by Calcida Team
Reviewed for accuracy and clarity
Last updated: April 2026

Compare the long-term tax advantages of a Roth IRA vs. a Traditional IRA based on your current and future tax brackets.

This calculator is useful for savers projecting retirement account growth with annual contributions You will typically enter Starting balance, Annual contribution, Return rate, Years.

The result represents estimated future account balance If you are browsing similar tools, start with Retirement Calculators or view the full calculators directory.

Also useful: Roth IRA Calculator, IRA Calculator.

Estimated After-Tax Value

Roth IRA is better by $5,699
Roth IRA$37,992
Traditional IRA$32,293

What should you do next?

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How This Calculator Works

This calculator estimates results using standard financial math based on the inputs you provide. It is designed for quick comparisons so you can understand how key variables affect the outcome.

  • Enter realistic inputs (amounts, rates, and time periods).
  • Review the computed result and any breakdown shown in the tool.
  • Update contributions, return rate, and years to retirement to see how compounding affects your ending balance.

For related tools and deeper comparisons, browse Retirement Calculators.

Formula

FV = PV(1 + r)^n + PMT × [ ((1 + r)^n − 1) / r ]
Where:
  • PV = starting balance
  • PMT = periodic contribution
  • r = periodic return rate
  • n = number of periods

Example Calculation

Starting balance$15,000
Contribution$6,000/year
Return7%/year
Time20 years
Typical outcome
Compounding plus contributions can create large long-term growth

Tips for Better Estimates

  • Use the best available rate (quote, current APR, or a conservative assumption).
  • Model multiple scenarios by changing one input at a time.
  • Include fees, taxes, and deductions when they materially affect the total.
  • Compare alternatives using the calculators directory or the related calculators section.

Explore Related Tools

Continue with Retirement Calculators to compare similar calculators and validate your assumptions across different scenarios.

Frequently Asked Questions

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