What is the formula for Adjusted Gross Income (AGI)?

Adjusted Gross Income (AGI) does not have a single closed-form formula; the definition above explains the mechanics.

Can you give an example of Adjusted Gross Income (AGI)?

See the definition above for typical use cases of Adjusted Gross Income (AGI) in personal finance.

When does Adjusted Gross Income (AGI) apply?

Adjusted Gross Income (AGI) is used when working through tax decisions. The definition above describes the typical context.

What category does Adjusted Gross Income (AGI) fall under?

Adjusted Gross Income (AGI) is part of the tax category in the CalcFi glossary.

Which calculators use Adjusted Gross Income (AGI)?

Related calculators on CalcFi: Tax Bracket Calculator.

Where does the Adjusted Gross Income (AGI) definition come from?

Definitions in the CalcFi glossary are written by the CalcFi editorial team and cross-checked against IRS, Federal Reserve, BLS, and Investopedia conventions.

Is Adjusted Gross Income (AGI) the same as related terms?

Adjusted Gross Income (AGI) is closely related to other tax concepts. See the Related Terms section on this page for direct comparisons.

Does this glossary entry replace professional advice?

No. The CalcFi glossary is educational reference material. It is not personalized tax, legal, or investment advice. For decisions with material consequences, consult a licensed professional.

Definition

Adjusted Gross Income (AGI)

Your total income minus specific "above-the-line" adjustments — the starting point for figuring federal income tax.

Written by Jere SalmistoReviewed by CalcFi EditorialLast verified: 2026-05-13

What Is Adjusted Gross Income (AGI)?

AGI equals gross income (wages, interest, dividends, business income) minus adjustments such as traditional IRA contributions, HSA contributions, student loan interest, and self-employment tax. Many tax credits and deductions phase out based on AGI or modified AGI.

Related Terms

Gross Income

Total income before taxes, deductions, and other expenses.

Tax Bracket

A range of income taxed at a specific marginal rate in the progressive tax system.

Standard Deduction

A flat amount reducing taxable income, claimed instead of itemizing deductions.

Related Calculators

Tax Bracket Calculator→

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