ABC/2

Volume mL (cm³)

A= Hemorrhage Length cm

B= Hemorrhage Width cm

C= Number of CT Slices Slice with ≥75% Area of Hemorrhage: Counts as 1 slice; Slice with 25-75% Area of Hemorrhage: Counts as 0.5 slices; Slice with <25% Area of Hemorrhage: Counts as 0 slices

https://www.mdcalc.com/abc2-formula-intracerebral-hemorrhage-volume