Classical Body Ratios; Waist to Neck: The waist circumference is traditionally modeled as twice the circumference of the neck (2 × neck). Neck to Wrist: The neck circumference is typically twice the circumference of the wrist (2 × wrist). unless your FAT sorry not sorry; Foot to Forearm: The length of the human foot equals the length of the forearm (from wrist to elbow); .Face to Hand: The length of the face equals the length of the hand