Free community webinar with retired FBI Special Agent Jeff Lanza — Wednesday, October 14, 12:00 to 1:00 PM ET.Register Now

Tax Planning

Understanding AGI and MAGI: A Quick Guide

Overview

AGI and MAGI sound like accounting trivia, but they quietly determine a lot: whether you can contribute to a Roth IRA, what you'll pay for Medicare, and which deductions phase out as your income rises. Two numbers, a wide range of consequences.

Because MAGI is calculated differently depending on which benefit or rule you're checking against, it's worth confirming the specific definition that applies to your situation rather than assuming one number fits every purpose.

What this checklist covers

  1. 1What's included in AGI
  2. 2What's included in MAGI
  3. 3How the 3.8% net investment income tax applies

Common questions

Preview of the Understanding AGI and MAGI: A Quick Guide checklist

Keep the full reference beside your return

Print it, mark it up, and bring it to your next tax conversation.

PDF · 200 KB · No email required

Related Resources

Keep exploring tax planning

Articles, printable guides, and short videos on this topic. See the full Tax Planning hub.

Sourced from a licensed fpPathfinder reference guide. Page copy is original summary content.