Traditional IRA Calculator

How this result is built

Project a traditional IRA and illustrate a deductible contribution against tax on withdrawal.

A traditional IRA grows tax-deferred. If the contribution is deductible, the tax you do not pay this year is a real benefit, and the withdrawals are taxed later. This page shows both, using one rate now and one rate later. It does not phase the deduction out for workplace-plan coverage. That rule depends on income.

What the opening example is for

The later tax line applies the withdrawal rate to the entire balance, as if it were taxed in one moment. Real life taxes each withdrawal in the year it happens. Read the line as an illustration of the rate, not as a bill.

The walkthrough below uses the numbers already sitting in Traditional IRA Calculator. Press Calculate and the headline should match this page. Then put your own figures in. The math does not run until you press the button, and Clear hides the result.

What each field is doing

The “Current balance” line on Traditional IRA Calculator starts at $22,000.00. Leave that figure only when it matches the statement, the quote, or the plan you are testing. Press Calculate after the edit so the chart and the schedule move with it.

Traditional IRA Calculator treats “Annual contribution” as its own entry, and the form opens with $7,500.00. A round example is useful for learning the page. It is a poor substitute for the number on your own paperwork, so replace it and run the form again.

Before you replace it, “Age 50 catch-up” reads No on Traditional IRA Calculator. The other fields stay put while you change this one. That is the clean way to see what this line is doing inside the result.

Look at “Contribution is deductible” first if you are checking Traditional IRA Calculator: the filled value is Yes. If the label is a rate, type the annual figure the contract uses. If it is money, type the amount that will actually move, not a rounded hope.

The remaining fields

The “Tax rate saved today” line on Traditional IRA Calculator starts at 22%. Leave that figure only when it matches the statement, the quote, or the plan you are testing. Press Calculate after the edit so the chart and the schedule move with it.

Traditional IRA Calculator treats “Tax rate on withdrawal” as its own entry, and the form opens with 22%. A round example is useful for learning the page. It is a poor substitute for the number on your own paperwork, so replace it and run the form again.

Before you replace it, “Annual return” reads 7% on Traditional IRA Calculator. The other fields stay put while you change this one. That is the clean way to see what this line is doing inside the result.

Look at “Years” first if you are checking Traditional IRA Calculator: the filled value is 20. If the label is a rate, type the annual figure the contract uses. If it is money, type the amount that will actually move, not a rounded hope.

The opening result, line by line

Press Calculate on the opening form and Traditional IRA balance is $414,431.42. That is the number the rest of this section is talking about.

Annual tax saved if deductible is $1,650.00 when you run the opening figures on Traditional IRA Calculator. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.

On this opening pass, tax if the full balance is taxed at the later rate is $91,174.91. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.

How those lines were produced

Traditional IRA Calculator reports that after that tax is $323,256.51. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.

The later tax illustration applies one rate to the whole balance. Real withdrawals are taxed year by year.

A second pass changes only “Current balance”, from $22,000.00 to $24,200.00. Traditional IRA balance moves from $414,431.42 to $423,316.64. Nothing else on the form was edited, so the gap between those two results is the effect of that one field on Traditional IRA Calculator. If the gap is tiny, this page is not very sensitive to that entry. If the gap is large, get that entry from a document before you plan around the result.

What this page will not claim

Traditional IRA Calculator follows the contribution, the return, and the years you enter. It does not look up your income, a workplace-plan phase-out, or a custodian balance. The 2026 limits named on this desk are ceilings, not instructions to contribute the maximum.

Traditional IRA Calculator stops at its own formula. When the next question is different, open Roth IRA Calculator (After-tax contributions, tax-free qualified growth.); 401(k) Calculator (Your deferral, the match, and the 2026 cap.); RMD Calculator (Balance divided by the life-expectancy factor.). Do not add those results to this one as if they were the same kind of dollar.

Check the result before you use it

Start on Traditional IRA Calculator by reading the labels, not the headline. The opening labels are Current balance ($22,000.00), Annual contribution ($7,500.00), Age 50 catch-up (No), Contribution is deductible (Yes), Tax rate saved today (22%), Tax rate on withdrawal (22%), Annual return (7%), Years (20). If a label is not the fact you have, the result cannot turn into that fact later. The illustration on the form lands on $414,431.42. When you press Calculate and see that same figure, the button and this explanation are using one formula.

Change one field at a time. Write down the headline, edit a single line, and press Calculate again. A large jump means that line carries the result. A line that does not move is a line the formula ignores, which is a reason to confirm you opened the right page. Traditional IRA Calculator is built for one job: A deduction now, tax later, growth in between. The description on the page says the same thing in a sentence: Project a traditional IRA and illustrate a deductible contribution against tax on withdrawal.

When the paperwork disagrees

Then hold the headline next to a source outside the site. That source might be a loan estimate, an account statement, a pay stub, or the public limit named in the methodology. A few cents of difference on a long schedule is ordinary rounding. A different rate, a fee you never typed, or a tax the form does not ask for is not rounding. Correct the input. Do not average the page with the paperwork.

When the outside source still disagrees, Traditional IRA Calculator has reached the edge of what it will claim. It will not phone a lender, pull a county record, or apply a credit you left blank. Send the calculator name, every input, and the result you expected through the contact page if you think the formula itself is wrong. Until that is settled, read $414,431.42 as the output of the fields above and nothing else.

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