Traditional IRA Calculator

How to use this calculator

Enter your current age, retirement age, current IRA balance, annual contribution, expected return, and retirement tax bracket. Click Calculate Traditional IRA.

The calculator shows your pre-tax IRA value at retirement, the after-tax value based on your selected bracket, monthly income at the 4% withdrawal rate, and the total tax owed if you withdrew the full balance at once.

Retirement Tax Bracket is an estimate. Most retirees are in the 12-22% range. If you have significant Social Security income, pension income, or RMDs pushing you into higher brackets, use 24-32%.

Annual Contribution can be up to $7,000 in 2025 ($8,000 if 50+). Deductibility depends on your income and whether you have a workplace retirement plan — but you can always contribute non-deductible dollars.

How tax-deferred growth works

A Traditional IRA delays taxes. Contributions may be deductible (reducing your taxable income now), the investment grows without annual taxation, and you pay ordinary income taxes only when you withdraw.

This matters because the entire pre-tax amount compounds, not just the after-tax portion.

The same contributions to a taxable brokerage account would compound on after-tax dollars from the start. The deduction saves taxes now; the IRA structure means that money compounds at the pre-tax amount.

Deductibility phase-outs

Not everyone gets the tax deduction for Traditional IRA contributions. If you (or your spouse) have access to a workplace retirement plan, deductibility phases out at higher incomes.

If your income falls in the phase-out range, you get a partial deduction. Above the range, contributions are non-deductible — you contribute after-tax dollars, and only the growth is tax-deferred.

Non-deductible contributions to a Traditional IRA form the basis for the backdoor Roth IRA strategy. You’ve already paid tax on those dollars; converting to a Roth at that point creates no additional tax liability on the contributed amount.

Required Minimum Distributions

Starting at age 73, the IRS requires you to withdraw a minimum amount from your Traditional IRA each year. There’s no avoiding this — it’s how the government eventually collects the taxes deferred for decades.

RMD amount = Account Balance ÷ IRS Life Expectancy Factor

An IRA with $800,000 at age 73 has a first RMD of $800,000 ÷ 26.5 = $30,189. That $30,189 counts as ordinary income, potentially pushing you into a higher bracket and reducing Social Security subsidy eligibility.

Roth IRAs have no RMDs during the owner’s lifetime. If you anticipate RMDs creating a tax problem, consider Roth conversions in your 60s before turning 73.

Traditional IRA vs Roth IRA: the real comparison

The math favors one account or the other depending on your tax rates:

At the same tax rate, the two accounts produce identical after-tax retirement income. The difference comes entirely from when you pay taxes and whether rates change.

Most people in their 20s and early 30s are in the 10-12% bracket — Roth wins clearly. At 45+ in the 24-32% bracket with expected lower retirement income, Traditional wins. The complicated middle (22% now, unclear future) is genuinely a coin flip — diversifying between both accounts isn’t a bad answer.

Contribution limits over time and catch-up

The $7,000 contribution limit applies to your total IRA contributions across all accounts — Traditional plus Roth combined. If you put $5,000 in a Roth IRA, you can only add $2,000 more to a Traditional IRA that year.

At 50, the limit rises to $8,000. That extra $1,000/year for 15 years at 7% adds roughly $25,000 to your balance. Meaningful, but the bigger strategy at 50 is maximizing tax-advantaged accounts more broadly.

Contribution deadlines: you can contribute for the prior tax year up until the tax filing deadline (typically April 15). Contributing $7,000 by April 14, 2026 counts as a 2025 contribution — a useful strategy if you realize in early April that you underfunded the prior year.

The Roth conversion opportunity

Converting a Traditional IRA to a Roth IRA makes sense in years when your income is temporarily low — sabbatical years, early retirement before Social Security kicks in, years between jobs.

The conversion amount is added to your income in the year of conversion. At 22%, converting $30,000 of IRA funds costs $6,600 in taxes. If you’d otherwise be in a higher bracket in retirement when RMDs force withdrawals at 24-32%, the conversion saves money.

A systematic conversion strategy: in your early 60s before RMDs start at 73, convert enough of your Traditional IRA each year to fill up your current tax bracket without crossing into the next. Someone with $600,000 in a Traditional IRA and $20,000 in other income might convert $45,000/year (staying under the 22% bracket threshold) for 8 years, moving $360,000 into a Roth IRA — eliminating future RMDs on that portion.

Early withdrawal rules and exceptions

Withdrawing from a Traditional IRA before 59½ triggers a 10% penalty plus ordinary income taxes on the full amount. A $30,000 withdrawal at age 45 in the 22% bracket costs $9,600 in taxes and penalty — you keep $20,400.

Penalty exceptions (taxes still apply):

• First home purchase: up to $10,000 lifetime
• Total and permanent disability
• Death (beneficiaries inherit penalty-free)
• Substantially Equal Periodic Payments (Rule 72t): commit to equal withdrawals for 5 years or until 59½, whichever is later
• Unreimbursed medical expenses over 7.5% of AGI
• Health insurance premiums while unemployed

The 72t strategy lets you access IRA funds before 59½ without penalty, but you must stick to the schedule for the full term. Breaking it retroactively triggers all penalties on past withdrawals.

What to invest inside a Traditional IRA

Since growth in a Traditional IRA is taxed as ordinary income on withdrawal, you want assets that would otherwise generate ordinary income in a taxable account.

Best inside Traditional IRA:

• Bond funds (interest income taxed as ordinary income)
• REITs (dividends taxed as ordinary income)
• Actively managed funds with high turnover (frequent capital gains)

Better in Roth IRA or taxable:

• Long-term equity index funds (capital gains taxed at 0-20% in taxable accounts, not ordinary income)
• Dividend-paying stocks with qualified dividends

This “asset location” strategy maximizes after-tax returns across your entire portfolio. Over 30 years, optimizing which accounts hold which assets can add 0.2-0.5% in after-tax returns annually — compounding to meaningful dollars.

A simple default for someone with a Traditional IRA and a Roth IRA: put bonds in the Traditional IRA and equities in the Roth. The most tax-inefficient assets go in the tax-deferred account; the highest-growth assets go in the tax-free one.

Common Traditional IRA mistakes

Not contributing because of the income phase-out. You can always contribute non-deductible dollars to a Traditional IRA even above the deductibility threshold. This sets up the backdoor Roth conversion.

Forgetting the deadline. You have until the tax filing deadline (April 15) to make the prior year’s contribution. Miss that and you can’t go back.

Cashing out instead of rolling over. Switching jobs and cashing out a 401k to a Traditional IRA rollover is fine. Cashing out to your bank account triggers full taxes plus the 10% penalty. Always do a direct rollover.

Ignoring the pro-rata rule on backdoor conversions. If you have a large pre-tax Traditional IRA balance and try to do a backdoor Roth, the IRS taxes the conversion proportionally. The solution: roll the pre-tax Traditional IRA into your employer’s 401k before doing the backdoor.

Missing RMDs. The excise tax on missed RMDs is 25% of the amount you should have withdrawn (reduced to 10% if corrected within 2 years). At $30,000 required and zero taken, that’s $7,500 in penalties. Set a calendar reminder for age 73.