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IRA Calculator.

Compare Roth and Traditional IRAs to maximize your tax-advantaged retirement savings.

FREE INSTANT RESULTS NO SIGNUP UPDATED 2026

Parameters

$
%
%
yrs

Summary Output

Roth Net Balance
$$0.00

Tax-free withdrawals in retirement.

Traditional Net Balance
$$0.00

Subject to income taxes on withdrawal.

Advantageous IRA Option
Roth

How to Use

Enter your planned annual IRA contribution, current marginal tax rate, estimated retirement tax rate, and years to grow. It compares net values.

Example Calculation

Contributing $6,500 annually for 30 years at 7% return yields a Traditional balance of $613,000, netting $521,000 after 15% retirement tax. A Roth option yields $521,000 as well since current tax was paid. If your retirement tax is lower, Traditional is better.

Formula

Roth Future Value = Accumulation of pre-tax value (with post-tax contributions).
Traditional Net Value = (Pre-tax accumulation) * (1 - Retirement Tax Rate).

Frequently Asked Questions

Common questions and answers about the IRA Calculator.

The IRA Calculator is a free online tool designed to compare roth and traditional iras to maximize your tax-advantaged retirement savings. It allows you to perform these calculations quickly and accurately without manual computations.
Enter your planned annual IRA contribution, current marginal tax rate, estimated retirement tax rate, and years to grow. It compares net values. Once you enter these values, the calculator will automatically compute and display the results instantly.
The IRA Calculator uses the following formula to calculate your results: Roth Future Value = Accumulation of pre-tax value (with post-tax contributions). Traditional Net Value = (Pre-tax accumulation) * (1 - Retirement Tax Rate). This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example: Contributing $6,500 annually for 30 years at 7% return yields a Traditional balance of $613,000, netting $521,000 after 15% retirement tax. A Roth option yields $521,000 as well since current tax was paid. If your retirement tax is lower, Traditional is better. This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the IRA Calculator, you need to enter: Annual Contribution, Current Tax Rate, Retirement Tax Rate, Years to Grow. These inputs help the tool calculate precise results tailored to your situation.
The IRA Calculator outputs the following details: Roth Net Balance, Traditional Net Balance, Advantageous IRA Option. This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the IRA Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The IRA Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.