Body Type Calculator
Discover your somatotype and get tailored fitness & nutrition advice.
Your Results
Somatotype Score
Body Mass Index (BMI)
Waist-to-Hip Ratio (WHR)
Training & Nutrition Advice
What Are the 3 Body Types (Somatotypes)?
Somatotyping is a system used to classify the human physique into three fundamental types. Most people are a combination of these types, but usually one is more dominant. Understanding your dominant type can help you tailor your fitness and nutrition strategies for optimal results.
- Ectomorph: Characterized by a lean and slender build. Ectomorphs have long limbs, small joints, and find it difficult to gain weight, both muscle and fat. Their metabolism is typically fast.
- Mesomorph: Considered the "athletic" build. Mesomorphs have a medium frame, are naturally muscular, and can gain or lose weight with relative ease. They often have a rectangular body shape.
- Endomorph: Known for a larger, softer, and rounder physique. Endomorphs tend to store more body fat, have a slower metabolism, and find it harder to lose weight but can gain muscle mass easily.
How the Body Type Calculator Works
This calculator uses your personal metrics to provide an estimate of your somatotype based on a simplified version of the Heath-Carter model, a scientific method for assessing body type.
- Endomorphy (Fatness): This is primarily assessed using your Body Mass Index (BMI) and Waist-to-Hip Ratio (WHR). A higher ratio of body fat contributes to a higher endomorphy score.
- Mesomorphy (Muscularity): This score is derived from your weight and height, adjusted for fatness, and considers your wrist circumference as a proxy for bone structure and lean mass potential. A solid, muscular build relative to your height increases the mesomorphy score.
- Ectomorphy (Linearity): This reflects your "leanness" or "slenderness." It's calculated based on your height-to-weight ratio. The taller and lighter you are for your weight, the higher your ectomorphy score.
The calculator then visualizes these three scores on a radar chart. Your dominant body type is the one with the highest score, but the chart shows how you lean towards the other types as well.
Fitness Tips for Ectomorph, Mesomorph & Endomorph
Tailoring your approach is key to reaching your fitness goals.
- For Ectomorphs: Focus on compound resistance training (squats, deadlifts, bench press) with heavy weights and lower reps. Keep cardio to a minimum to preserve calories for muscle building. Your diet should be rich in calories, with plenty of protein, complex carbs, and healthy fats.
- For Mesomorphs: You respond well to a variety of training. A mix of moderate-to-heavy weight training and regular cardiovascular exercise works best. A balanced diet with moderate carbs, lean protein, and healthy fats will help you build muscle and stay lean.
- For Endomorphs: Prioritize cardiovascular exercise (like HIIT) to boost metabolism and aid in fat loss. Combine this with moderate weight training to build and maintain muscle mass. Nutritionally, focus on controlling calorie intake, especially from carbohydrates, and emphasize lean protein and high-fiber vegetables.
Can Your Body Type Change?
Yes and no. Your underlying bone structure is genetically determined and won't change. An ectomorph will always have a smaller bone frame than an endomorph. However, you can dramatically change your body composition—the amount of muscle and fat you carry. With dedicated training and diet, an endomorph can become lean and muscular, and an ectomorph can build significant muscle mass. So, while your inherent tendencies (somatotype) remain, your actual physical appearance (phenotype) is very much within your control.
Frequently Asked Questions
Q: How accurate is this calculator?
A: It provides a strong, data-driven estimate based on established formulas. However, it's a tool for guidance, not a medical diagnosis. Individual factors can always play a role.
Q: I'm a mix of two types. What does that mean?
A: This is very common! Most people are not 100% one type. For example, an "Ecto-Mesomorph" is a person with a lean build who can still pack on muscle relatively easily. Follow the advice for your dominant type, but incorporate elements from your secondary type.
Q: Why do you need my wrist measurement?
A: Wrist circumference is a good indicator of your bone frame size. A smaller wrist suggests a smaller frame (more ectomorphic), while a thicker wrist suggests a larger frame (more mesomorphic or endomorphic).
