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Ideal Body Size CalculatorBody Type Calculator
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Calculate Ideal Body  Size  

 Measurement Unit     Wrist Size   


Ideal Body  size

In the book Brawn, Stuart McRobert published the old “John McCallum formula for “challenging yet realistic” measurements for “hard gainers”. His formula is based on wrist measurement.

John McCallum’s realistic measurement ideals for hard gainers

Body Part Formula
Chest Wrist Size X 6.5
Hips Check Size X 0.85
Waist Check Size X 0.70
Thigh Check Size X 0.53
Neck Check Size X 0.37
Upper Arm Check Size X 0.36
Calves Check Size X 0.34
Forearms Check Size X 0.29

Women may have to adjust measurements in the area of hips, waist, and chest depending on build.


Top Use:    Calculate Ideal Body Size - Wrist:7in.

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