Student Loan Interest Deduction Calculator

1. Enter the interest you paid this year, from your 1098-E forms.
2. Pick your filing status. Married filing separately cannot claim it.
3. Enter your MAGI and your marginal tax rate.
4. Read your allowed deduction, any phase-out reduction, and the estimated tax saved.

Here is what each result means:

The student loan interest deduction is a US federal tax break. It lets eligible borrowers subtract up to $2,500 of the interest they paid on qualified student loans from their taxable income. Less taxable income means a lower tax bill.

It is an above-the-line deduction, so you can claim it even if you take the standard deduction and do not itemize. The benefit is not the $2,500 itself but the tax on it: a $2,500 deduction in a 22 percent bracket is worth about $550 in tax saved, not $2,500.

It caps your interest at $2,500, applies the income phase-out for your filing status, then multiplies the allowed amount by your tax rate.

1. Cap the interest at the $2,500 limit.
2. Reduce it on a straight line across your income phase-out range.
3. Multiply the allowed deduction by your marginal rate for the tax saved.

To see what a loan costs in total, not just its tax effect, use the student loan true cost calculator.

Suppose you are single, paid $2,000 in interest, have a MAGI of $60,000, and sit in the 22% bracket.

Calculation: the interest is under the $2,500 cap, and $60,000 is below the $85,000 single phase-out, so the full $2,000 is deductible. The tax saving is 2,000 times 22 percent, about $440. If your MAGI were $92,000, only part would survive the phase-out, cutting both the deduction and the saving.

The deduction shrinks across an income band and disappears above it. The 2025 ranges are:

Inside the band, the deduction falls in a straight line. The IRS adjusts these figures most years, so confirm the current ones.

Eligibility depends on the loan, your income and how you file.

You do not need to itemize. This deduction is taken before adjusted gross income.

People often mix up the two. The student loan interest deduction is a deduction, not a credit, and that changes its value.

So a $2,500 deduction is worth the tax on $2,500, not $2,500 itself. Education tax credits, which are separate, work differently and can be more valuable when you qualify.

Find Your Interest Paid

Each servicer sends a 1098-E showing interest of $600 or more. Add all of them if you have several loans.

Check Your MAGI

Estimate your income and compare it with the phase-out for your filing status to see how much survives.

Enter It as an Adjustment

The deduction goes on the income-adjustments part of your return, so it lowers adjusted gross income directly.

Before You File

See how much of your interest is deductible and what it saves, so the number on your return is no surprise.

When Your Income Changes

A raise can push you into or past the phase-out. Check how a higher MAGI affects the benefit.

When Planning Extra Payments

Understand that only interest, not principal, is deductible, and only up to the cap.

1. Deducting the Full $2,500 in Cash Terms

The deduction lowers taxable income; the benefit is that amount times your rate, not the amount itself.

2. Ignoring the Phase-out

A higher MAGI can cut or remove the deduction even if you paid plenty of interest.

3. Claiming While Filing Separately

Married filing separately cannot take this deduction at all.

4. Counting Principal

Only interest qualifies. The principal part of a payment is not deductible.

5. Missing a 1098-E

With several servicers, add every form. Leaving one out understates your interest.

The calculation follows the published rules, but a tax return has many moving parts.

Up to $2,500 of qualified interest per year, and less if your income falls in the phase-out. The deduction lowers taxable income, so the actual saving is that amount times your tax rate.

For 2025, single filers start losing the deduction above $85,000 MAGI and lose it fully at $100,000. For married filing jointly the range is $170,000 to $200,000. The IRS updates these most years.

No. It is an above-the-line adjustment, so you can claim it and still take the standard deduction. It lowers your adjusted gross income directly.

No. If you file as married filing separately, you cannot take the student loan interest deduction at all, whatever your income or interest paid.

The saving is the allowed deduction times your marginal rate. A full $2,500 deduction in the 22 percent bracket saves about $550, not $2,500. A partial deduction saves proportionally less.

Interest on a loan you took only to pay higher-education costs for yourself, a spouse or a dependent, and that you are legally required to repay. Your servicer reports it on Form 1098-E.

No. Only the interest portion of your payments qualifies. The principal you repay does not count toward the deduction.

MAGI is your adjusted gross income with a few items added back. The phase-out is based on it, so a higher MAGI can shrink or remove the deduction even when your interest is high.

On the adjustments-to-income section of your federal return, using the interest total from your 1098-E forms. Software places it there automatically when you enter the form.

No. The calculation runs in your browser and nothing you enter is stored or sent anywhere, unless you choose Save, which keeps the result only on this device.

• Student loan interest deduction (Wikipedia).
• Student loan interest deduction explained (Investopedia).
• Modified adjusted gross income (MAGI) (Investopedia).