Equal to the Ears and to One-Third of the Face | Leonardo da Vinci

Leonardo da Vinci's Vitruvian Man.

 

A palm is four fingers, a foot is four palms, a cubit is six palms, four cubits make a man,
a pace is four cubits, a man is 24 palms.
The length of the outspread arms is equal to the height of a man.
From the hairline to the bottom of the chin is one-tenth of the height of a man.
From below the chin to the top of the head is one-eighth of the height of a man.
From above the chest to the top of the head is one-sixth of the height of a man.
From above the chest to the hairline is one-seventh of the height of a man.
The maximum width of the shoulders is a quarter of the height of a man.
From the breasts to the top of the head is a quarter of the height of a man.
The distance from the elbow to the tip of the hand is a quarter of the height of a man.
The distance from the elbow to the armpit is one-eighth of the height of a man.
The length of the hand is one-tenth of the height of a man.
The root of the penis is at half the height of a man.
The foot is one-seventh of the height of a man.
From below the foot to below the knee is a quarter of the height of a man.
From below the knee to the root of the penis is a quarter of the height of a man.
The distances from below the chin to the nose and the eyebrows and the hairline are equal
to the ears and to one-third of the face.