#genji analysis

Genji's arms are bigger then his head

And according to Google the average male head is roughly the circumference of 22 1/2 inches

So approximately would be around 23 to 24 inches in circumference (more likely less then but even just 20 inches flat is ALOT as you will see)

Also I didn't go over his hair with the line because your face usually ends at the cheek bones, so going over the hair would mess up my already horrid math