17+ Number 4 Haircut All Over. Number 4 barely longer than the zero, the #1 guard is used for faded sides or very short buzz cuts. Number 3 haircut means 3/8 inches hair on the scalp while haircut number 4 will give you ½ inch length.
Then a number 2 haircut is still a very short cut that corresponds to 1/4 inch length;
The right haircut can help camouflage thinning hair or make it seem less drastic. On your hair clipper a number three is about 3/4 inch long and a number four is inch and a quarter long depending on the clippers attachment. Different haircut numbers & hair clipper. Number 3 haircut means 3/8 inches hair on the scalp while hair length numbers 4 will certainly offer you 1/2 inch duration.