Health & Fitness
Body Type Calculator
Calculate your body type (somatotype) and get personalized recommendations based on your measurements and physical characteristics.
Reviewed by the calculator.uk.com Team · Last reviewed 12 June 2026 · Our methodology
Enter your measurements to see your body type results
Related to Body Type Calculator
The Body Type Calculator uses the scientific concept of somatotypes developed by Dr. William H. Sheldon to determine your body type. This system classifies human physiques into three fundamental categories: ectomorph, mesomorph, and endomorph. The calculator analyzes several key measurements and ratios to determine your primary and potential secondary body type.
Measurement Analysis
The calculator evaluates your frame size using wrist circumference, analyzes your body proportions through shoulder-to-hip ratio, and considers your height-to-weight relationship. These measurements provide insights into your natural body structure and composition.
Each measurement contributes to a scoring system that helps determine your dominant body type characteristics. The calculator also considers gender-specific differences in body composition and structure. While most people are not purely one type, they often show stronger characteristics of one or two types.
Your results will show your primary body type and possibly a secondary type if you have significant characteristics of multiple types. The calculator provides detailed information about your body type characteristics and personalized recommendations for training and nutrition.
Ectomorph Type
Characterized by a lean build, long limbs, and fast metabolism. Ectomorphs typically have difficulty gaining weight and muscle mass. They benefit from high-calorie diets and strength-focused training programs.
Mesomorph Type
Natural athletic build with well-defined muscles and moderate frame size. Mesomorphs respond well to exercise and can gain or lose weight relatively easily. They thrive on balanced training programs combining strength and cardio.
Endomorph Type
Characterized by a larger frame, higher body fat percentage, and slower metabolism. Endomorphs gain muscle easily but may struggle with fat loss. They benefit from regular cardio and careful attention to nutrition.
1. Can my body type change over time?
While your basic body type is largely determined by genetics, your body composition can change through diet and exercise. Your dominant characteristics may become less pronounced with lifestyle changes, but your natural tendencies typically remain.
2. How accurate are the measurements needed for the calculator?
For best results, take measurements in the morning before eating, wearing light clothing. Use a flexible measuring tape and ensure it's level and not too tight. Having someone help you take measurements can improve accuracy.
3. Should I follow different training programs based on my body type?
Yes, different body types respond better to different training approaches. The calculator provides specific recommendations, but these should be considered guidelines rather than strict rules. Always adjust your program based on your individual response and goals.
4. How does body type affect nutrition needs?
Each body type has different metabolic tendencies and nutrient requirements. Ectomorphs often need more calories and carbohydrates, mesomorphs do well with balanced macronutrients, and endomorphs typically benefit from higher protein and controlled carbohydrate intake.
5. What is the scientific source for this calculator?
The three-way classification used here, ectomorph, mesomorph, and endomorph, traces back to psychologist William Sheldon's somatotype theory, described in his 1940 book The Varieties of Human Physique. Later researchers, notably Barbara Heath and J.E.L. Carter in the 1960s, refined Sheldon's subjective ratings into a more objective anthropometric method based on skinfold, girth, and skeletal measurements. Modern sports-science literature continues to use body-type classification as a general starting point for tailoring training and nutrition, though it remains a descriptive framework rather than a precise diagnostic tool.