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Traditional IRA Growth Calculator

Calculate Traditional IRA growth and tax deductions.

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$

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Results

Account Balance (Pre-Tax)
After-Tax Value$449,345.79
Annual Tax Deduction$1,800.00

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Assumptions

  • Calculated locally from the inputs shown in this report.

Sensitivity preview

Current Balance -10%: Account Balance (Pre-Tax) $523,214.68

Current Balance Current: Account Balance (Pre-Tax) $528,642.11

Current Balance +10%: Account Balance (Pre-Tax) $534,069.54

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About this Traditional IRA

A Traditional IRA allows you to save for retirement with pre-tax dollars. You get a tax break today (the contribution is deductible), and the money grows tax-deferred until you withdraw it in retirement. This calculator shows both the future growth and the immediate tax savings.

How to use this calculator

  1. Enter your Annual Contribution.
  2. Input the Years to Grow and Annual Return.
  3. Enter your Current Tax Rate to see today's savings.
  4. Enter your estimated Retirement Tax Rate to see the after-tax value later.

Accuracy and testing

Review formula sources, default test cases, assumptions, unit handling, rounding rules, and changelog for this calculator.

View accuracy page

How this calculator works

The tool projects compound growth on the gross contribution. It then calculates the tax deduction based on your current bracket. Finally, it estimates the 'spendable' amount in retirement by subtracting future taxes.

Inputs explained

Annual Contribution

How much you save per year. 2024 Limit is $7,000 ($8,000 if 50+).

Current Tax Rate

Your marginal tax bracket. This determines how much money you save on taxes *this year* by contributing.

Retirement Tax Rate

The rate you expect to pay when you withdraw the money. Many people are in a lower bracket in retirement.

Understanding your results

The Account Balance (Pre-Tax) is the big number on your statement. The After-Tax Value is what you can actually spend. The Annual Tax Deduction is cash back in your pocket today.

Example scenarios

Tax Arbitrage

You are in the 32% bracket now but expect to be in the 12% bracket in retirement. Traditional IRA is excellent here because you save 32% now and pay only 12% later.

Immediate Savings

Contribute $7,000 at a 24% tax rate. You save $1,680 on your taxes this year.

Key Features

  • Tax Deduction Estimator
  • Pre-Tax vs After-Tax View
  • Custom Tax Brackets

Things to Keep in Mind

Assumes contributions are fully deductible (check IRS income limits). Does not account for RMD mechanics.

Tips & Best Practices

  • If you expect your tax rate to be *higher* in retirement, a Roth IRA might be better.
  • You must start taking Required Minimum Distributions (RMDs) at age 73.
  • There are income limits for deducting contributions if you also have a workplace retirement plan (like a 401k).

Glossary of Terms

Tax-Deferred
Investment earnings accumulate tax-free until the investor takes constructive receipt of the gains (withdrawal).
Deductible
An expense that can be subtracted from your adjusted gross income to lower your tax bill.

Frequently Asked Questions

Can I contribute to both a Traditional and Roth IRA?
Yes, but your *total* contribution across all IRAs cannot exceed the annual limit ($7,000 for 2024).
When can I withdraw money?
You can withdraw penalty-free after age 59½. Before that, you generally pay a 10% penalty plus income tax.
Is my contribution tax deductible?
It depends. If you don't have a 401k at work, it's fully deductible. If you do, deductibility phases out at higher incomes.