Body Type Calculator
Classify your body shape from bust, waist and hip measurements, check your waist-to-hip ratio and estimate your skeletal frame size.
Your measurements
Proportions
The five shapes
| Shape | How it presents |
|---|
How the shape is worked out
bust-to-hip ratio = bust ÷ hips
waist-to-bust ratio = waist ÷ bust
hourglass — bust and hips within 5% of each other, waist at least 25% smaller than hips
triangle (pear) — hips more than 5% larger than bust
inverted triangle — bust more than 5% larger than hips
rectangle — bust and hips similar, waist less than 25% smaller
frame size from height ÷ wrist circumference
Body shape describes where your skeleton and your fat distribution put your width. It is fixed in its broad outline — you cannot move your hip bones — but the contrast between shoulders, waist and hips is very much trainable. Someone with a triangle shape who wants a more balanced silhouette usually gets there faster by building the upper back and shoulders than by trying to shrink the hips.
One ratio worth watching
Waist-to-hip ratio is the one number here with a clear health signal attached. Widely used thresholds put increased metabolic risk above 0.90 for men and above 0.85 for women, independent of body weight. If your shape classification is fine but your waist-to-hip ratio is high, the useful target is abdominal fat rather than the scale.
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