Net self-employed income after subtracting the deductible part of the SE tax and any self-employment retirement plan contributions is compensation. Plus any W-2 box 1 income minus box 11.
That would be the 1040 schedule 1 line 3 minus line 14 & 15.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**