Schedule 1 (Form 1040)

Common income and deductions reported on Schedule 1 (Form 1040)

What income is reported on Schedule 1 (Form 1040)?

Part I of Schedule 1 captures income sources beyond wages and salaries. Each type has its own line and the totals flow back to your Form 1040 to calculate your overall gross income.

Line 8 is where many filers see unfamiliar entries. It covers less common income types including gambling winnings, jury duty pay, prizes and awards and canceled debt reported on a 1099-C. Line 8d specifically captures income from rental of personal property that isn't part of a trade or business.

Other commonly reported income on Part I includes taxable state and local refunds (line 1), business income from Schedule C (line 3) and capital gains from Schedule D (line 7). All Part I amounts are totaled on line 10 and carried to line 8 of your Form 1040.

What are the adjustments to income on Part II?

Part II is where Schedule 1 can directly lower your tax bill. These adjustments reduce your gross income to arrive at your adjusted gross income (AGI), which affects eligibility for many credits and deductions. Common adjustments include:

• Educator expenses up to $300 for qualified K-12 teachers who buy classroom supplies
• HSA contributions deductible contributions to a health savings account
• Self-employment tax you can deduct the employer-equivalent portion (50%) of your self-employment tax
• Student loan interest up to $2,500 in interest paid on qualified student loans
• IRA contributions deductible contributions to a traditional IRA based on income limits
• Alimony paid for divorce agreements finalized before 2019

The total from Part II appears on line 26 and carries to your Form 1040. This is what the IRS means by "total of lines 16 through 20 and lines 23 through 25." It adds all your eligible adjustments into one figure.

How Schedule 1 connects to your Form 1040

The numbers on Schedule 1 feed directly into specific lines on your Form 1040. Understanding that connection helps you verify your return is accurate.

Part I's total additional income (line 10) is added to your wages and other income on Form 1040 line 8. Part II's total adjustments (line 26) are subtracted on Form 1040 line 10 to calculate your AGI. A higher adjustment total means a lower AGI, which can unlock additional credits and deductions.

What is the difference between Schedule 1 and Schedule 2?

Schedule 1 and Schedule 2 handle different parts of your tax return. Schedule 1 reports additional income and above-the-line deductions that affect your AGI. Schedule 2 reports additional taxes you owe beyond standard income tax.

Schedule 2 covers items like the alternative minimum tax (AMT), excess premium tax credit repayment and self-employment tax. If you owe these additional taxes, you'll file Schedule 2 alongside, and sometimes because of, information reported on Schedule 1.

Tips for completing Schedule 1 (Form 1040) accurately

Small errors on Schedule 1 can cause problems across your entire return. These steps help you avoid common mistakes:

• Match every entry to a source document. W-2s, 1099s or Schedule C/D results should tie directly to Schedule 1 line items.
• Don't confuse adjustments with itemized deductions. Part II adjustments reduce AGI regardless of whether you itemize on Schedule A.
• Check that your totals carry correctly to Form 1040 lines 8 and 10.
• Keep records for any adjustment you claim, especially educator expenses and student loan interest, in case of an audit.
• Review line 8z for write-in items. This catch-all line is easy to overlook but may apply if you received jury duty pay, hobby income or other miscellaneous amounts.

Need to fill out a Schedule 1 (Form 1040) form?

Our free Schedule 1 template gives you a clear starting point for reporting additional income and adjustments to income. Use our fillable Schedule 1 form to enter your tax details directly and produce an accurate, IRS-ready document in minutes.