Body Type Calculator
Determine your somatotype — ectomorph, mesomorph, or endomorph — based on your height, weight, and body measurements. Get a personalised nutrition and training plan for your body type.
- Medium bone structure
- Muscular, athletic build
- Responds quickly to training
- Moderate metabolic rate
- Gains muscle and fat easily
- Moderate carb tolerance
How to Use This Body Type Calculator
Three steps to find your somatotype — and a complete guide to training and eating for your body type.
Select Gender & Method
Choose Male, Female (standard somatotype), or Kibbe (women's fashion classification). Each uses different criteria tailored to that system.
Enter Your Measurements
Input height, weight, age, and body circumferences — chest, waist, hips, shoulders, wrist, and thigh. Wrist and shoulder measurements are especially important for accurate somatotype scoring.
View Full Results
See your somatotype scores for all three body types, your BMI, frame size, body shape, waist ratios, and personalised diet and training recommendations.
The Three Body Types (Somatotypes)
Most people are a blend of all three somatotypes, with one or two dominant. Understanding your type helps you train and eat more effectively.
Ectomorph
Naturally lean, long-limbed, and fine-boned. Struggles to gain weight or muscle. High metabolic rate burns through calories quickly.
LeanFast MetabolismNarrow FrameHard GainerMesomorph
Naturally athletic, muscular, and medium-framed. Gains muscle easily and loses fat efficiently. Most responsive to training.
AthleticMuscularMedium FrameResponds FastEndomorph
Naturally stocky, wider frame, and higher body fat tendency. Gains muscle and fat easily. Lower carb tolerance but often very strong.
Stocky BuildWide FrameGains EasilyHigh StrengthBody Type Comparison — Diet & Training Guide
How each somatotype should approach nutrition, training, and recovery for best results.
| Category | 🦒 Ectomorph | 🏋️ Mesomorph | 🐻 Endomorph |
|---|---|---|---|
| Calorie Goal | Calorie surplus (+300–500 kcal/day). Must eat frequently to prevent muscle breakdown. | Maintenance or slight surplus to build, slight deficit to cut. Body responds quickly either way. | Calorie deficit (–300–500 kcal/day). Focus on portion control and nutrient density. |
| Macros (approx.) | Carbs 50–60%, Protein 25–30%, Fat 20–25% | Carbs 40–50%, Protein 30–35%, Fat 20–25% | Carbs 25–35%, Protein 35–40%, Fat 25–35% |
| Best Diet Approach | High-carb whole foods, frequent meals every 3–4 hours, high calorie density foods. | Balanced diet. Cycle carbs around training. Avoid processed foods to maintain leanness. | Lower carb / higher protein. Paleo, Mediterranean, or carb-cycling. Avoid refined carbs. |
| Training Style | Heavy compound lifts 3–4×/week. Short sessions under 60 min. Minimal cardio. | Combination of strength and cardio 4–5×/week. Responds to both volume and intensity. | Mix of resistance training and cardio 5×/week. HIIT is effective. Focus on metabolic conditioning. |
| Key Focus | Muscle gain — progressive overload every session. Track calories obsessively. | Body recomposition — build muscle and lose fat simultaneously. Maintain consistency. | Fat loss and metabolic health — reduce insulin spikes, increase NEAT (daily movement). |
| Recovery | Needs more rest — 48–72 hrs between muscle groups. Sleep is critical for muscle synthesis. | Recovers relatively quickly. Can train same muscle 2×/week with adequate rest. | Active recovery (walking, swimming) on rest days. Avoid complete sedentary days. |
How Somatotype Is Determined
The somatotype system was developed by American psychologist William Sheldon in the 1940s and later refined into a quantifiable scoring system by Heath and Carter. Rather than placing people in one of three rigid categories, the modern Heath-Carter somatotype rates each person on three separate 1–7 scales — endomorphy, mesomorphy, and ectomorphy — simultaneously.
This calculator derives somatotype scores from a combination of your body mass index (BMI), wrist-to-height ratio (a proxy for bone frame size), waist-to-hip ratio, shoulder-to-waist ratio, and thigh circumference relative to height. These relationships closely approximate the anthropometric measurements used in formal Heath-Carter assessments without requiring skinfold calipers or laboratory equipment.
The wrist circumference is a particularly important input because it is one of the few body measurements that is almost entirely unaffected by diet, training, or body fat — making it a reliable indicator of underlying bone frame size, which is the structural basis of somatotype classification.
- Most people are a combination type — "ecto-meso" or "endo-meso" blends are very common
- Somatotype can shift across a lifespan with consistent training and diet changes
- Frame size (wrist ratio) is the most genetically fixed component of body type
- The Kibbe system is distinct from somatotype — it focuses on visual harmony, not health
- Body shape (hourglass, rectangle, pear, apple) is calculated from your measurement ratios
- WHR (waist-to-hip ratio) is a key health marker — values above 0.90 (men) / 0.85 (women) indicate risk
👩 Body Type Calculator for Women — Key Differences
Women's somatotype analysis uses gender-adjusted BMI thresholds and body fat distribution norms. Women naturally carry more essential fat (12–20% vs 2–5% for men) and distribute fat more in the hip and thigh region (gynoid pattern) vs the abdominal pattern more common in men (android). This means WHR cutoffs differ: healthy WHR for women is below 0.85, while men should aim below 0.90. This calculator adjusts frame size and scoring thresholds automatically when Female is selected.
🔮 What Is the Kibbe Body Type System?
The Kibbe system was created by image consultant David Kibbe in 1987 and classifies women into 13 types across 5 families: Dramatic, Natural, Classic, Gamine, and Romantic. Unlike somatotype, Kibbe focuses on the visual relationship between bone structure, body flesh, and facial features to identify which clothing styles and silhouettes create the most harmonious appearance. The five core assessment traits — skeletal structure, body flesh, facial bones, facial flesh, and overall scale — each scored from Yang (angular/sharp) to Yin (soft/rounded), determine your Kibbe type.
📐 Body Shape vs Body Type — What's the Difference?
Body shape describes the geometric outline created by your shoulder, waist, and hip proportions — hourglass, rectangle (straight), pear (triangle), inverted triangle, and apple (oval). Body type (somatotype) describes your underlying metabolic tendencies and musculoskeletal structure. A woman can be an endomorph with an hourglass shape, or an ectomorph with a rectangular shape. Both systems provide useful but different information: body shape guides fashion choices, while somatotype guides fitness and nutrition strategy.
🏋️ Can You Change Your Body Type?
Your skeletal frame — the bone-based component of somatotype — is fixed. However, the muscular and adipose components are highly adaptable. An endomorph who trains consistently for 2–3 years can develop sufficient muscle mass and reduce fat to score significantly higher on the mesomorphy scale. Similarly, an ectomorph can build substantial muscle mass to shift their functional body type, even if their fine bone structure remains unchanged. The key insight: work with your type's natural tendencies rather than against them.
Body Type Calculator FAQs
Common questions about somatotypes, how the body type calculator works, and how to eat and train for your body type.
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About This Body Type Calculator
This body type calculator implements the Heath-Carter somatotype scoring method, determining ectomorphy, mesomorphy, and endomorphy scores from body measurements. Frame size is calculated via the wrist-to-height ratio. BMI uses the standard WHO formula (weight kg / height m²). Body shape is determined by shoulder-to-hip and waist-to-hip ratios. The Kibbe type is determined by a 5-trait Yang/Yin scoring system. WHR uses the standard WHO health risk thresholds (0.90 for men, 0.85 for women). Results are for educational and self-assessment purposes. For clinical body composition assessment, consult a qualified sports dietitian or exercise physiologist.
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