Body Type Calculator
Identify your somatotype based on wrist circumference relative to height.
Body Type
About Somatotypes
Somatotypes are body type classifications originally developed by psychologist William H. Sheldon to describe three primary categories of human physique — Ectomorph, Mesomorph, and Endomorph. These types reflect tendencies in metabolism, muscle distribution, and fat storage. While most people are a blend of these categories, understanding your dominant somatotype can guide your approach to fitness, diet, and training.
Ectomorph
- Lean and long frame with narrow shoulders and hips.
- Fast metabolism – finds it hard to gain weight or muscle.
- Typically has lower body fat levels.
- Best suited for strength training with higher calorie intake.
- Should focus on recovery and resistance-based workouts.
Mesomorph
- Naturally athletic build with well-defined muscles.
- Efficient metabolism and balanced body composition.
- Gains muscle and strength relatively easily.
- Benefits from a balanced diet of protein, carbs, and fats.
- Ideal for sports, strength, and endurance training.
Endomorph
- Softer, rounder body with a tendency to store fat easily.
- Slower metabolism – may struggle with weight management.
- Strong lower body, good strength potential.
- Requires consistent cardio and controlled calorie intake.
- Should emphasize active lifestyle and portion control.
How to Use Somatotype Information
- Identify your dominant somatotype to tailor your training plan.
- Use it to balance nutrition — e.g., ectomorphs may need higher calories, endomorphs lower carbs.
- Helps set realistic goals for muscle gain, fat loss, and endurance improvement.
- Remember that genetics influence tendencies, not limits — body composition can be reshaped.
- Use as a general guide, not a strict classification — most people are a mix of all three types.
Why It Matters
- Provides a framework for understanding body composition and metabolism.
- Helps customize workout intensity, duration, and recovery needs.
- Guides personalized nutrition for optimal energy and performance.
- Encourages body awareness and realistic fitness expectations.
- Promotes sustainable approaches to achieving fitness goals.
While somatotypes can help you understand your natural tendencies, it’s important to remember that lifestyle, diet, and training habitshave a far greater impact on your physique than genetics alone. With the right plan, anyone can build strength, endurance, and a healthy body composition.