MAGI Formula:
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Definition: This calculator estimates your Modified Adjusted Gross Income (MAGI) which is used to determine eligibility for premium tax credits and cost-sharing reductions in the Health Insurance Marketplace.
Purpose: It helps individuals and families understand their healthcare subsidy eligibility by calculating their MAGI according to IRS rules.
The calculator uses the formula:
Where:
Explanation: The calculator adds specific income items back to your AGI to determine your MAGI for healthcare purposes.
Details: Your MAGI determines your eligibility for premium tax credits and cost-sharing reductions in the Health Insurance Marketplace. Accurate calculation helps avoid repayment of excess advance payments.
Tips: Enter your AGI from tax return (Form 1040 line 11), nontaxable Social Security benefits, tax-exempt interest, and foreign income exclusion amounts.
Q1: Where do I find my AGI?
A: Your AGI is on line 11 of your Form 1040 tax return. For most people, this is the starting point for MAGI calculation.
Q2: What counts as nontaxable Social Security?
A: The portion of Social Security benefits not included in your taxable income (found on Form 1040, line 6a minus line 6b).
Q3: Why include tax-exempt interest?
A: While not taxable for regular income tax purposes, tax-exempt interest is included in MAGI for healthcare purposes.
Q4: Who needs to include foreign income?
A: If you excluded foreign earned income or housing amounts (Form 2555), you must add these back for MAGI calculation.
Q5: Does MAGI include all income?
A: No, MAGI generally doesn't include Supplemental Security Income (SSI), veteran's disability payments, or child support.