Where is the Qualified Business Income Deduction (QBI) calculated or deducted? I'm using a free service online, but I'd also like to manually fill out the information to double check that I and the free service is calculating my taxes and deductions correctly.

  • how is your business organized?
    – Pete B.
    Feb 21, 2019 at 16:05
  • Sole proprietorship Feb 21, 2019 at 16:09

1 Answer 1


There is a worksheet in the instructions for Form 1040. Page 37 if you have the same PDF as I do. (Just did mine last night...)

  • And deducted on Form 1040, line 9.
    – Craig W
    Feb 21, 2019 at 19:46

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