For Traditional and Roth IRA's -
Go to IRS Publication 590-A page 15 Worksheet 1-1 for a MAGI on a Traditional IRA - https://www.irs.gov/pub/irs-pdf/p590a.pdf#page=15
Go to IRS Publication 590-A page 39 Worksheet 2-1 for a MAGI on a Roth IRA - https://www.irs.gov/pub/irs-pdf/p590a.pdf#page=39
