The Body Fat Calculator

Area Measurement Results
Chest mm
Abdomen mm
Thigh mm
Tricep mm
Subscapular mm
Suprailiac mm
Midaxilla mm
Bicep mm
Calf mm
Lowerback mm
Sex
Age
Weight lbs

Chest: a DIAGONAL fold on the lateral edge of the pectoral muscle, halfway between the nipple and the anterior axillary line (front of underarm crease). The fold should be parallel to the edge of the pectoral muscle.

Abdomen: a VERTICAL fold one inch to the right of the umbilicus.

Thigh: a VERTICAL fold in the middle of the front thigh, halfway between hip and knee joints.

Triceps: a VERTICAL fold halfway between the shoulder and elbow joints, on the posterior midline of the upper arm (over the tricep muscle).

Biceps: a VERTICAL fold halfway between the shoulder and elbow joints, on the anterior midline of the upper arm.

Subscapular: a DIAGONAL fold at the back, just below the inferior angle of the scapula (shoulder blade), at a 45° angle WRT horizontal, turning clockwise.

Suprailiac: a DIAGONAL fold just above the iliac crest (front-side top tip of hip bone), at about 30° angle WRT horizontal, turning clockwise.

Axilla: a VERTICAL fold on the midaxillary line (below the armpit) at the level of the nipple.

Calf: a VERTICAL fold in the middle of the medial head of the gastrocnemius.

Lower back: a HORIZONTAL fold approximately at the position of the kidney (about 2 inches to the right of the spine, and 1 inch above the umbilicus level).