SAI calculator 2027–28 (FAFSA Student Aid Index)

This SAI calculator estimates the Student Aid Index for the 2027–28 FAFSA for a dependent student. Enter your parents’ 2025 income, taxes and assets and your own income: the calculator follows the federal formula step by step with the 2027–28 allowances and shows whether you may qualify for a Federal Pell Grant.

Source: HEA §475, 20 U.S.C. 1087oo – Student aid index for dependent students (HEA §475, as amended 2020 and 2024) (read 09.10.2026). Updated: .

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total federal income tax from the 2025 return
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wages and net self-employment income of both parents
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IRA/SEP deductions, tax-exempt interest, untaxed pensions and IRA distributions
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cash, savings, investments, other real estate, 529 plans; not the home, retirement accounts, family farm or small business
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cash, savings and investments in your name
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Result

Student Aid Index (SAI) 2027–28
4,288
Pell Grant estimate (full-time)
Pell Grant: about US$3,105 a year (maximum minus SAI)
Calculation
StepAmountBasis
Parents’ total incomeUS$80,000AGI + untaxed income
Federal income tax− US$5,000
Payroll tax allowance− US$6,1207.65% of earnings (Social Security up to 2 × $176,100)
Income protection allowance− US$46,590family of 4
Employment expense allowance− US$5,20035% of earnings, at most $5,200
Parents’ available incomeUS$17,090
Contribution from assetsUS$2,40012% of net assets (asset protection allowance $0)
Adjusted available income (AAI)US$19,490
Parents’ contribution4,28822% to 47% of AAI (2027–28 schedule)
Student contribution from income050% of income above taxes and $12,220
Student contribution from assets020% of your assets
Student Aid Index4,288sum, at least −1,500
Your parents’ AGI is 248.8% of the 2025 poverty guideline for your family size (US$32,150). Pell estimate for full-time study with the 2026–27 maximum of $7,395 – the 2027–28 maximum is set by Congress and published later. Part-time study and a lower cost of attendance reduce the grant. Estimate for a dependent student. The FAFSA pulls tax data directly from the IRS; your official SAI is on your FAFSA Submission Summary. Colleges use the SAI to build your aid package, and many private colleges also use their own formula (CSS Profile).

How it is calculated

The Student Aid Index (SAI) is the number the FAFSA uses to decide your federal aid. For a dependent student it is the parents’ contribution (22% to 47% of their adjusted available income) plus 50% of the student’s income above $12,220 plus 20% of the student’s assets – at least −1,500. A family of four with $80,000 AGI, $5,000 income tax and $20,000 in savings has an SAI of about 4,288, which means a Pell Grant of about $3,105.

2027–28 allowances and assessment rates

Item2027–28 value
Income protection allowance, family of 3 / 4 / 5$37,720 / $46,590 / $54,970
Income protection allowance, dependent student$12,220
Employment expense allowance35% of earnings, at most $5,200
Parents’ assets counted12% (asset protection allowance $0)
Assessment of parents’ AAI22% up to $22,600, rising to 47% above $45,600
Student income / assets50% / 20%

How the calculator works

  1. Parents’ available income: AGI + untaxed income − federal income tax − payroll tax allowance − income protection allowance − employment expense allowance.
  2. Adjusted available income: plus 12% of the parents’ assets (home, retirement accounts, family farm and small business are not counted).
  3. Parents’ contribution: the assessment schedule – 22% up to $22,600, then $4,972 + 25%, $6,397 + 29%, $8,050 + 34%, $10,056 + 40% and $12,336 + 47% above $45,600; at least −$1,958.
  4. Student: 50% of income after taxes and $12,220 (never below 0) plus 20% of assets.
  5. Special rules: parents not required to file → SAI −1,500; AGI up to 175% of the poverty guideline (225% for a single parent) → maximum Pell Grant and SAI no higher than 0.
  6. Pell Grant: maximum minus SAI, rounded to $5; at least the minimum Pell if AGI is up to 275% (single parent 325%) of the poverty guideline; none if the SAI is twice the maximum or more.

Examples (two parents, family of 4, student earned $5,000)

To estimate the parents’ federal income tax, use the federal income tax calculator. Applying for scholarships? The GPA calculator works out your grade point average.

Limits

This SAI calculator covers dependent students. Independent students (24 or older, married, with dependents, veterans, graduate students and others) use a different formula. Not included: excludable income such as education tax credits or taxable scholarships, child support received (counted as an asset), foreign income, the poverty guidelines for Alaska and Hawaii, and professional judgment by your financial aid office. The FAFSA uses 2025 tax information for 2027–28. Your aid package also depends on your college’s cost of attendance and enrollment status. This is an estimate, not an official SAI.

Frequently asked questions

What is a good SAI for financial aid?

The lower the better. An SAI of 0 or below usually means the maximum Pell Grant; with an SAI under the maximum Pell ($7,395 in 2026–27) you can still get a partial Pell Grant.

How is the SAI calculated for a dependent student?

Parents’ contribution from adjusted available income (22% to 47%), plus 50% of the student’s income above taxes and $12,220, plus 20% of the student’s assets. The result cannot be lower than −1,500.

Can the SAI be negative?

Yes, down to −1,500. A negative SAI signals the highest need; colleges may use it to award more need-based aid, while the Pell Grant treats it as 0.

What SAI qualifies for a Pell Grant?

An SAI below the maximum Pell award qualifies for a partial grant. Families with AGI up to 175% of the poverty guideline (225% for single parents) get the maximum automatically, and from 2026–27 there is no Pell Grant if the SAI is twice the maximum or more.

Do my parents’ home and 401(k) count on the FAFSA?

No. The family home, retirement accounts, and – after the 2025 law change – a family farm you live on or a family-owned small business with up to 100 employees are not counted as assets.

Which tax year is used for the 2027–28 FAFSA?

The 2025 tax year (prior-prior year). The FAFSA imports the data from the IRS with your and your parents’ consent.

Sources and legal basis

As of: · Editorial policy

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