Body Type Calculator

Get a quick body type (somatotype) estimate — Ectomorph, Mesomorph, or Endomorph — from your height and wrist circumference.

  • Free to use
  • Accurate results
  • No registration required
  • Works on all devices
Enter your height and wrist circumference to get a quick body type (somatotype) estimate.
cm
cm

Your result

Mesomorph

Body type

Height-to-wrist ratio10

AI explanation

Formula

Ratio = height / wrist circumference. Ratio > 10.4 → Ectomorph, 9.6-10.4 → Mesomorph, < 9.6 → Endomorph

Worked example

180cm, 17cm wrist

Worked example: 180cm, 17cm wrist
FieldValue
Height180
Wrist circumference17
Height-to-wrist ratio10.59
Body typeEctomorph

Assumptions

  • Uses a simplified height-to-wrist-circumference heuristic, the same numeric bands popularly used for wrist-based frame-size charts, as a quick body-type approximation.
  • Not a clinical somatotype assessment, which typically requires multiple skinfold and bone-width measurements (the Heath-Carter method).
  • Informational only.

Frequently asked questions

What are the three body types?

Ectomorph (naturally lean, narrow frame), Mesomorph (naturally muscular, medium frame), and Endomorph (naturally higher body fat, wider frame) are the three classic somatotype categories.

How accurate is a wrist-based body type estimate?

It's a simplified approximation, not a precise clinical assessment — true somatotyping (the Heath-Carter method) uses multiple skinfold and bone-width measurements. Treat this as a quick, rough starting point.

Can my body type change over time?

Your skeletal frame (which this calculator estimates from) stays relatively fixed, but body composition — muscle and fat levels — can change significantly with training and diet regardless of your underlying frame.

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Sources

This calculator provides a general estimate only and does not constitute personalized medical or fitness advice.

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