Body Type Calculator (Ecto/Meso/Endo)
Health & FitnessEstimate your body somatotype (ectomorph, mesomorph, or endomorph) based on wrist circumference relative to height.
Estimated Body Type
An estimated somatotype classification based on the height-to-wrist-circumference ratio, a common bone-frame size indicator.
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Frequently Asked Questions
What do the three body types mean?
Ectomorphs tend to have a naturally slim, narrow frame and faster metabolism; mesomorphs tend to have a naturally athletic, muscular frame; endomorphs tend to have a broader frame with a tendency to store fat more easily — these are general tendencies, not strict categories.
Is this classification scientifically precise?
Somatotype theory is more of a useful conceptual framework than a rigorously precise scientific classification — most people are a blend of types rather than a pure single category, and training/nutrition response varies by individual regardless of frame size.
Should my body type determine my training approach?
Many fitness professionals suggest body type can inform general expectations (e.g., ectomorphs may need to eat more to build muscle), but consistent training and nutrition principles apply broadly regardless of somatotype.
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