Itemized deductions like mortgage interest, charitable contributions, medical expenses, etc. (or the standard deduction instead) are subtracted after AGI is calculated. So they do not lower AGI and thus do not have an impact on MAGI.
What deductions reduce Magi?
There are a number of ways to reduce your modified adjusted gross income to help you qualify to make Roth contributions:
- Make pretax contributions to a 401(k), 403(b), 457 or Thrift Savings Plan. ...
- Contribute to a health savings account. ...
- Contribute to a health care flexible-spending account.
Do charitable contributions reduce adjusted gross income?
You may deduct charitable contributions of money or property made to qualified organizations if you itemize your deductions. Generally, you may deduct up to 50 percent of your adjusted gross income, but 20 percent and 30 percent limitations apply in some cases.
