Body Symmetry Calculator — Grecian Ideal Muscle Ratio

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Body Symmetry Calculator (Grecian Ideal)

Compare your muscle measurements against the golden ratios and Grecian Ideal to evaluate symmetry.

Wrist Circumference (cm)

Muscle Group	Ideal Ratio (cm)	Golden Formula Reference
Chest	-	Wrist × 6.5
Waist	-	Chest × 0.7
Biceps (Flexed)	-	Wrist × 2.52
Thighs	-	Wrist × 3.7
Calves	-	Wrist × 2.52

Understanding John McCallum's Grecian Ideal

The **Grecian Ideal** (or Adonis Index) is a set of body proportions popularized by writer John McCallum. It uses your wrist circumference as the baseline skeletal anchor to calculate perfectly proportioned muscular dimensions for a symmetrical aesthetic.

Foire aux questions

It represents a maximum natural muscular proportion standard, serving as an excellent direction for visual symmetry.

The wrist has minimal fat storage, acting as a reliable indicator of bone structure density and overall frame potential.