Calculation results
| Body Shape | |
| Bust | |
| Waist | |
| Hip |
Body Shape Calculator
What Is the Body Shape Calculator?
The body shape calculator classifies female body type from three measurements: bust, waist, and hips. Enter the circumferences in inches or centimeters, and the tool determines which of the four main shapes fits best: hourglass, pear, rectangle, or inverted triangle.
Body shapes describe proportions, not fitness or health. Two people with identical weight carry it differently, and the same person can shift between categories as measurements change. The goal is a practical label you can use for fit, styling, and tracking changes over time.
How to Measure Bust, Waist, and Hips
Wear light clothing or none, and use a soft tape. Bust is measured around the fullest part of the chest with the tape level under the arms. Waist is measured at the narrowest point, usually just above the belly button, while relaxed and not sucked in. Hips are measured around the widest part across the seat, feet together.
Record each number in the same unit system and take measurements in front of a mirror to keep the tape parallel to the floor, since a tilted tape inflates readings by several centimeters. Repeat each measurement once; consistent duplicates mean you can trust the input.
The Four Main Body Shapes
The hourglass shape has bust and hips nearly equal with a clearly defined waist, typically more than 9 inches smaller than the hips. The pear, or triangle, shape has hips noticeably wider than the shoulders and bust. The rectangle shape keeps shoulders, waist, and hips at similar widths with little waist definition. The inverted triangle reverses the pear, with shoulders and bust wider than the hips.
Each shape responds to different clothing strategies. Hourglass figures favor tailored and belted styles, pears balance the silhouette with structured tops and A line skirts, rectangles create curves with layers and waist accessories, and inverted triangles soften the upper frame with V necks and fuller bottoms.
Using Your Results Wisely
Treat the output as a starting point. Real bodies blend categories, and posture, muscle development, and measurement day all nudge results one way or another. Retake measurements at the same time of day if you are tracking a fitness or postpartum journey so comparisons stay fair.
The result also helps online shopping: many retailers map their garment cuts to these four shapes, and knowing yours cuts down on return shipping caused by proportion mismatch rather than incorrect sizing.
Frequently Asked Questions
What are the four main body shapes?
Hourglass, where bust and hips are balanced with a defined waist; pear, where hips are wider than the bust; rectangle, where the waist is similar in width to the hips and shoulders; and inverted triangle, where shoulders and bust are the widest point.
How do I measure my waist correctly?
Wrap the tape around the narrowest part of your torso, usually just above the belly button, while relaxed. Keep the tape level and snug but not compressing the skin.
Can body shape change over time?
Yes. Fat distribution, muscle growth, pregnancy, and aging all alter the bust to waist to hip relationship, so retake measurements every few months if you track changes.
Is one body shape healthier than another?
No. Shape describes proportions, not health. Waist circumference relative to height relates more to health markers than the category label does.
What is a waist to hip ratio?
It is waist circumference divided by hip circumference. It is another proportional measure sometimes used alongside body shape categories, with lower values indicating more waist definition.