Body Type Calculator

What are Body Types (Somatotypes)?

Body types, or somatotypes, are a classification system developed by psychologist William Sheldon in the 1940s. It categorizes human physiques into three primary types based on characteristic features related to body composition and metabolism.

While no one fits perfectly into a single category, understanding your dominant somatotype can offer insights into your natural predispositions for muscle gain, fat storage, and overall body shape. It helps in tailoring fitness and nutrition plans more effectively.

Ectomorph: The Lean & Slender Build

Ectomorphs are characterized by a lean, delicate build with a fast metabolism. Key traits include:

• Long, thin limbs and small joints.
• Difficulty gaining weight, both muscle and fat.
• Often referred to as naturally 'skinny' or 'hardgainers'.
• Low body fat percentage.
• Narrow shoulders and hips.
• Typically require higher calorie intake to maintain or gain weight.

Mesomorph: The Athletic & Muscular Build

Mesomorphs possess an athletic, solid, and generally strong build. They have a moderate metabolism and tend to build muscle easily. Common characteristics include:

• Well-defined muscles and a naturally muscular physique.
• Broad shoulders and a narrow waist.
• Efficient metabolism, making it easier to gain muscle and lose fat.
• Respond well to strength training and can quickly see results.
• Can gain fat if diet is not controlled, but lose it relatively easily.

Endomorph: The Soft & Rounder Build

Endomorphs are typically characterized by a softer, rounder physique with a slower metabolism. They tend to store fat easily. Distinctive features include:

• Wider bone structure and larger joints.
• Higher body fat percentage and often a 'pear-shaped' or 'apple-shaped' body.
• Difficulty losing fat and tend to gain weight easily.
• Slower metabolism, requiring careful dietary management.
• Despite fat storage, they often have significant underlying strength.