You would need to return to your original copy of the Form 1040 to locate the information:
- Form 1040-Line 37
- Form 1040A-Line 21
- Form 1040EZ-Line 4
If that does not work, the best and fast way to access the 2017 AGI is to order a transcript from the IRS. Click here Get Transcript and select "Get Transcript Online " On the transcript, look under section "Adjustment to Income" and find the amount for Adjusted Gross Income.