AGI calculation
Your adjusted gross income is all of the income you bring in, less certain adjustments. You can find the allowable reductions to your income on the front page of your Form 1040. Commonly used adjustments include the following:
• IRA and self-employed retirement plan contributions
• Alimony payments
• Self-employed health insurance payments
• One-half of any self-employment taxes paid
Other adjustments used in calculating AGI include the following:
• Health savings account deductions
• Penalties on the early withdrawal of savings
• Educator expenses
• Student loan interest
• Moving expenses
• Tuition and fees
• Deductions for domestic production activities
• Certain business expenses of performing artists, reservists, and fee-basis government officials