Fitness & Health

Body Shape Calculator (Bust, Waist, Hip)

Find your body shape from bust, waist, and hip measurements. You get one of five categories plus your waist-to-hip ratio. It is descriptive, not medical.

Reviewed and updated

How to use
  1. Measure your bust, waist, and hips.
  2. Enter all three values.
Example
Body shape
Hourglass

Balanced upper and lower with a narrow waist

Waist-to-hip ratio
0.71
Waist-to-bust ratio
0.76
Bust-to-hip ratio
0.94
B / W / H
92 / 70 / 98
Estimates for general wellness, not medical advice. Check with a doctor or dietitian before acting on health figures.
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What the four measurements decide

Your shape comes from how bust, waist and hips compare, not their raw size. Two numbers do most of the work: the waist against the hips, and the waist against the bust. A waist much narrower than both gives an hourglass; a waist close to both gives a rectangle; wider hips or a wider bust tip you toward pear or inverted triangle.

shape bust vs waist vs hips

The five shapes and what marks each one

ShapeBust vs hipsWaistTell-tale sign
HourglassAbout equalMuch narrowerBust or hip ≥ ~1.35 × waist
Pear (triangle)Hips widerNarrower than hipsHip ≥ ~1.35 × waist
Inverted triangleBust/shoulders widerModerateShoulders > hips by ~10%+
RectangleAbout equalClose to bothAll three within ~5%
Apple (round)Waist widestWidest measurementWaist ≥ bust or hips

Rectangle is the most common result, around 46% of women; hourglass is the rarest at 6–8%.

The waist-to-hip ratio is the health part

Shape is mostly cosmetic, but one ratio out of it is a genuine risk marker. Waist divided by hips (WHR) tracks abdominal fat, which sits around the organs and is more harmful than fat on the hips. It can flag risk even when weight and BMI look normal.

WHR = waist ÷ hips
  • Women. Under 0.80 is healthy, 0.80–0.84 is elevated, 0.85 and above signals abdominal obesity.
  • Men. Under 0.90 is healthy, 0.90–0.94 is elevated, 0.95 and above signals abdominal obesity.
  • Why it beats BMI here. A slim person with a wide waist can carry high-risk visceral fat that a weight-only number never sees.

Common questions

How do I measure my bust, waist and hips correctly?

Keep the tape parallel to the floor and snug but not squeezing. Bust is the fullest part of the chest, waist is the narrowest point of the torso (usually just above the navel, not on the hip bone), and hips are the widest part of the seat. Measure over bare skin or thin clothing, and take each one twice.

Which shape is the healthiest?

Shape names describe proportions, not health. The health signal is where fat sits: a waist that is wide relative to the hips (an apple pattern) points to abdominal fat, which carries more risk than fat on the hips or thighs. A waist-to-hip ratio above 0.85 for women or 0.95 for men flags that pattern regardless of overall weight.

What counts as an hourglass figure?

Bust and hips are within about an inch of each other and the waist is clearly narrower than both, roughly a bust or hip that is at least a third larger than the waist. It is the least common of the five shapes, at under 10 percent of women.

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