Chicken just isn’t gonna need to be that precise. It’s not an ingredient that mixes with others in that way. That being said, chicken is an item that most recipes would mention by weight. Nobody is going to actually weigh out the chicken; they’ll just go with a close measurement, or use potentially use the packaging it came in for reference.
Using “bis” for toilets is funny, like you’re grinding a raid at the hardware store hoping for an epic toilet drop.