Student Loan Interest Deduction 2027 $2,500 Cap Calculator

Calculate the 2027 above-the-line student loan interest deduction (max $2,500) with MAGI phaseout brackets.

From Form 1098-E
2027 SLID Deduction
Above-the-line on Schedule 1 line 21
Interest Paid
Max Cap ($2,500)
Phaseout Start
Phaseout Reduction
Allowed Deduction
Federal Tax Savings
Ad Space

Student Loan Interest Deduction Basics

Up to $2,500 of student loan interest is deductible above-the-line on Schedule 1 — meaning you don't need to itemize. For 2027, the cap remains $2,500 per return (not per loan, not per spouse). MAGI phaseout for 2027 (projected): single starts at ~$80,000 phasing out at ~$95,000; MFJ starts at ~$170,000 phasing out at ~$200,000. MFS gets ZERO deduction regardless. Source: IRC §221, Rev. Proc. 2024-40. Last updated: May 2026.

What Qualifies as Student Loan Interest

Interest on loans taken for qualified higher education expenses (tuition, books, room and board, fees) at an eligible institution for you, your spouse, or your dependent. Both federal and private student loans qualify. Refinanced loans qualify if they retain the educational purpose. Origination fees you paid count as interest, amortized over loan life.

Above-the-Line: A Special Tax Win

Unlike most deductions, you DO NOT need to itemize to claim student loan interest. It's deducted from gross income before calculating AGI — meaning it reduces both your tax AND your AGI-based phase-outs (Saver's Credit, IRA deduction, ACA premium tax credit). The dollar value is multiplied by these knock-on benefits.

Strategies to Preserve the Deduction

(1) If your MAGI is near the phaseout, max pre-tax 401(k) to reduce MAGI. (2) HSA contributions also reduce MAGI. (3) For married couples, MFS forfeits the deduction — only choose MFS for specific other reasons. (4) Parents can deduct interest they pay on a child's loan only if the parent is legally obligated on the loan.

Frequently Asked Questions

What's the 2027 student loan interest deduction cap?

$2,500 per tax return (not per loan, not per spouse). The cap has been at $2,500 since 2001 and is NOT indexed for inflation. Married filing jointly couples share the single $2,500 cap regardless of how much each spouse paid in interest.

What's the 2027 MAGI phaseout for the SLID?

Projected for 2027: single/HoH phases out from ~$80,000 to ~$95,000 MAGI; married filing jointly phases out from ~$170,000 to ~$200,000 MAGI. Above the upper end, no deduction allowed. MFS filers cannot claim the deduction at any income level.

Can I deduct student loan interest if I'm on SAVE or PAYE?

Yes. The deduction is based on interest you actually paid \u2014 including interest that capitalized and was later paid down. If your IDR plan has $0 monthly payment and no interest was actually paid in 2027, you have nothing to deduct. Check Form 1098-E for the exact amount.

Does student loan interest qualify if I'm not the borrower?

Only if you're legally obligated on the loan AND actually paid the interest. Parents who pay their child's loans get NO deduction unless they're co-signers. The child borrower (if working) gets the deduction even if a parent technically wrote the check, as long as the child was 'considered to have' paid it.

Can I claim SLID and the Lifetime Learning Credit in the same year?

Yes \u2014 they're independent. SLID is for interest on loans used in PAST years. LLC is for tuition expenses paid in the CURRENT year. You can claim both on the same return if you meet each requirement. They're not 'mutually exclusive' the way some other education credits are.

Is the SLID an above-the-line deduction?

Yes. Claim it on Schedule 1, Part II, line 21. It reduces AGI directly \u2014 no need to itemize on Schedule A. This makes it more valuable than most deductions because lower AGI also unlocks Saver's Credit, IRA deduction, ACA Premium Tax Credit, and other AGI-tested benefits.