What is a “good” SAI?

Lower is better for aid eligibility. An SAI near or below zero indicates the highest need the formula recognizes, and typically the strongest Pell Grant position. There’s no cutoff where aid disappears, though — even at higher SAIs, some colleges award substantial need-based or merit aid.

Is the SAI what my family will actually pay?

No. It’s the input colleges use to measure need. What you pay depends on each college’s cost and how much of your need it chooses to meet. Two colleges can look at the same SAI and produce offers thousands of dollars apart.

Which formula does this calculator use?

The 2026–27 federal formula for dependent students (Formula A), the same computation tested against published worked examples. Independent students use different formulas the estimator doesn’t cover, and colleges using the CSS Profile add their own institutional calculation on top.

Aid tools ›

Student Aid Index (SAI) calculator

The SAI is the number the FAFSA computes from your family’s finances — the starting point for every need-based aid decision. Estimate yours below with the 2026–27 formula. Your entries never leave this page.

This is an estimate, not a guarantee.

Parent finances

Parent income (AGI)Adjusted gross income from the 2024 tax return — the FAFSA uses income from two years before the aid year.Parent untaxed incomeParent federal income tax paidChild support receivedParent cash and savingsParent investmentsDo NOT include retirement accounts or the home you live in — they are not counted.Business or farm valueA family business with 100 or fewer full-time employees, or a farm your family lives on, is not reported for 2026–27 — enter 0 for those.

Student finances

Student income (AGI)Student untaxed incomeStudent federal income tax paidStudent cash and savingsStudent investments

Household

Household sizeFamily members in collegeState

What your SAI actually is — and is not

The Student Aid Index is an eligibility index, not a price. Colleges subtract it from their own cost of attendance to measure your financial need; it is not the amount you’ll be asked to pay, and at many colleges families pay less than sticker but more than their SAI. A lower SAI means the formula sees more need; a negative SAI (the floor is −1,500) signals the highest need and strengthens Pell Grant eligibility.

How colleges turn the SAI into an aid offer

Each college takes its cost of attendance, subtracts your SAI, and decides how much of the resulting need it meets — and that generosity varies enormously between schools. That’s why the same SAI can mean very different real prices. Once you have your estimate, compare average net prices by income band at the colleges on your list to see how the number tends to play out in practice.

Common questions

What is a “good” SAI?: Lower is better for aid eligibility. An SAI near or below zero indicates the highest need the formula recognizes, and typically the strongest Pell Grant position. There’s no cutoff where aid disappears, though — even at higher SAIs, some colleges award substantial need-based or merit aid.
Is the SAI what my family will actually pay?: No. It’s the input colleges use to measure need. What you pay depends on each college’s cost and how much of your need it chooses to meet. Two colleges can look at the same SAI and produce offers thousands of dollars apart.
Which formula does this calculator use?: The 2026–27 federal formula for dependent students (Formula A), the same computation tested against published worked examples. Independent students use different formulas the estimator doesn’t cover, and colleges using the CSS Profile add their own institutional calculation on top.

More free aid tools

Parent contribution calculator EFC calculator — the number is now called SAI Pell Grant estimator FAFSA estimator — know your number before you file Financial aid calculator Full college cost calculator Real net prices at 5,000+ colleges Scholarship categories

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