Body Shape Calculator
Enter your bust, waist, high hip, and hip measurements to estimate your body shape. See your waist-to-hip ratio, measurement differences, and optional clothing ideas.
Find Your Body Shape from Four Measurements
Body Shape Formula
Where:
- \(B\) — bust circumference
- \(W\) — natural waist circumference
- \(HH\) — high hip circumference
- \(H\) — circumference at the fullest part of the hips
- \(R\) — waist-to-hip ratio; \(D_B\) and \(D_H\) — bust–waist and hip–waist differences; \(R_{HH}\) — high-hip-to-waist ratio
The ratios are unitless, while the differences use the same unit as the measurements. The calculator converts measurements to inches before applying its body-shape thresholds.
Body Shape – Calculation Example
Example: the default measurements are a 36 in bust, 26 in waist, 34 in high hip, and 36 in hip.
\[R=\frac{26}{36}\approx0.722,\qquad D_B=36-26=10\text{ in},\qquad D_H=36-26=10\text{ in}\]
The bust and hip are equal, and each is 10 in greater than the waist.
Result: Hourglass; waist-to-hip ratio 0.722; bust minus waist 10 in (25.4 cm); hip minus waist 10 in (25.4 cm).
How to use the Body Shape Calculator
- Enter Bust, measured around the fullest part of your bust. Select in or cm beside the field.
- Enter Waist at your natural waist, keeping the tape level and comfortably snug. Select its unit.
- Enter High hip around the upper hips, near the top of your hip bones. Select its unit.
- Enter Hip around the fullest part of your hips and buttocks, then select its unit.
- Calculate to see Estimated shape and silhouette, Waist-to-hip ratio, Bust minus waist, Hip minus waist, and Clothing ideas for your shape.
You can use inches or centimeters independently for each field; the calculator converts them before comparing measurements. For the most consistent result, measure over light clothing or underwear and use the same tape and measuring technique each time.
What your body shape result means
A body-shape label describes how four circumferences compare. It is a shorthand for proportions, not a judgment about appearance, a clothing size, or a complete description of your body. Two people can receive the same label while differing in height, posture, shoulder width, and how clothing fits.
The waist-to-hip ratio divides waist circumference by hip circumference. In the default example, 26 ÷ 36 gives approximately 0.722. The bust–waist and hip–waist differences show the amount by which each measurement exceeds the waist; a negative difference is possible. For a closer look at that one ratio, use the Waist to Hip Ratio Calculator. This page uses the ratio to describe proportions, not to assess health risk.
The result also includes a silhouette based on measurement proportions. It is an illustration, not a body scan: circumferences cannot establish your exact visible outline. The clothing ideas are options to try if they appeal to you, not rules. If you are measuring for garments, a Bra Size Calculator can help with a separate fit question; always check the particular garment’s size chart as well.
How the shape categories are assigned
The calculator checks the following conditions in order and uses the first match. All differences in this list are evaluated in inches, even if you entered centimeters. A measurement exactly on a threshold can therefore change the label.
- Apple / oval: the waist is at least as large as the bust or the hip.
- Hourglass: bust and hip differ by no more than 1 in, and both exceed the waist by at least 9 in.
- Bottom hourglass: hip exceeds bust by more than 1 in but less than 3.6 in, and hip exceeds waist by at least 9 in.
- Top hourglass: bust exceeds hip by more than 1 in but less than 3.6 in, and bust exceeds waist by at least 9 in.
- Spoon: hip exceeds bust by at least 2 in and waist by at least 7 in, while high hip divided by waist is at least 1.193.
- Triangle / pear: hip exceeds bust by at least 3.6 in.
- Inverted triangle: bust exceeds hip by at least 3.6 in.
- Rectangle: none of the earlier conditions applies.
Measurement tips and limitations
Stand naturally rather than drawing in your waist. Keep the tape parallel to the floor, avoid compressing the skin, and take each reading at the location named in the field. The high hip and fullest hip are different measurements: substituting one for the other can affect whether the spoon condition is met. If a result seems surprising, recheck the measuring points and unit selectors first.
These categories depend on fixed cutoffs, so a small measurement change near a boundary can produce a different label without a noticeable change in appearance. The calculator also checks that each measurement is positive and within its supported range; an error may mean that a unit was selected incorrectly. For a different, health-oriented calculation involving waist measurements, see the A Body Shape Index Calculator. Its result serves a different purpose and should not be confused with this clothing-oriented silhouette estimate.
Frequently Asked Questions
How can I work out my body shape by hand?
Write down your bust, natural waist, high hip, and fullest-hip measurements in the same unit. If you measured in centimeters, divide each value by 2.54 to get inches. Compare your waist with your bust and hip, then check the calculator’s shape conditions in their listed order. Use the first condition that fits; checking only which measurement is largest can miss distinctions such as bottom hourglass and spoon.
Is there a normal or ideal body shape?
No body-shape category is more normal or desirable than another. The labels group measurements for describing proportions and exploring clothing fits; they do not rate attractiveness, fitness, or health. Bodies also vary within each category. If your concern is health rather than clothing, discuss relevant measurements and your wider health picture with a qualified healthcare professional instead of relying on a shape label.
Will I get the same result using centimeters instead of inches?
Yes, provided you enter the same physical measurements and choose the correct unit for each field. The calculator converts centimeters to inches using 1 in = 2.54 cm before assigning a category. You can even mix units across fields. Near a cutoff, however, rounding a measurement before entering it may change the result, so use your actual tape readings where possible.
Why does the calculator say rectangle when I can see a defined waist?
Rectangle is the fallback when none of the earlier numerical conditions applies; it does not mean your torso looks straight. You may have a visible waist without meeting this calculator’s particular difference cutoffs. Posture, height, torso length, and the way clothing drapes can also affect your appearance. If the label seems unexpected, check your measurements, but treat the result as an estimate rather than a verdict.
Can this calculator identify broad shoulders or an inverted-triangle frame?
Not directly. It compares bust and hip circumferences, but it does not measure shoulder width or bone structure. An inverted-triangle result here means the bust measurement exceeds the hip measurement by enough to meet that category’s cutoff; it does not prove your shoulders are broad. Someone with broad shoulders and a smaller bust may receive a different label, so use a mirror or garment fit for that separate question.
Can my body-shape result change over time or from one measurement to the next?
Yes. Weight changes, pregnancy, the menstrual cycle, bloating, and differences in tape placement can alter circumference readings. A small change may switch the label if your measurements are close to a cutoff, even when you look much the same. For useful comparisons, measure at the same points and under similar conditions. A changing label alone is not a medical finding.
Can I use my body-shape result to choose a clothing size?
No. A shape label describes relative measurements, while clothing sizes depend on actual dimensions and a brand’s sizing and garment design. Compare your bust, waist, and hip measurements with the specific item’s size chart, then consider the intended fit and fabric stretch. If your measurements span sizes, the hardest area to alter or the garment’s cut may be the deciding factor.