The average thickness of a male skull is 0.25 inches (6.5 millimeters), while the average thickness of a female skull is 0.28 inches (7.1 millimeters).

In terms of weight, the average adult human brain weighs in at 1300 to 1400 grams, or around 3 pounds. In terms of length, the average brain is around 15 centimeters long.
Accidents happen and wearing a helmet can save your life!
The thickness of an average helmet is 1-1.5 inches, which is about 4 times the thickness of the male and female skull.
A helmet isn’t always to protect you from yourself, but to protect you from others’ mistakes or naturally occurring hazards.

Always wear a helmet, even if it’s just to grab groceries down the road or a little pedal through the park.