Waist-to-Hip Ratio: "+whr+"
Bust-to-Hip Difference: "+Math.abs(diffBH).toFixed(1)+" inches";if(whr<0.8){ratioHTML+="
Status: Healthier waist-to-hip ratio detected.";}}document.getElementById('ratioDetails').innerHTML=ratioHTML;}
How to Use the Body Shape Calculator
The body shape calculator is a versatile tool designed to help you identify your primary silhouette based on standard industry measurements. Knowing your body shape is essential for choosing clothing that fits properly, understanding your body proportions, and tracking physical changes over time.
To get the most accurate results, follow these steps to measure yourself correctly:
- Bust Size
- Measure around the fullest part of your chest. Ensure the tape is level across your back.
- Waist Size
- Measure around the narrowest part of your torso, typically right above the belly button.
- High Hip
- Measure around the top of your hip bones, where your hip starts to curve out from the waist.
- Hip Size
- Measure around the fullest part of your buttocks and hips to capture the maximum width.
How It Works: The Science of Proportions
When you enter your data into the body shape calculator, the algorithm compares the relationships between your bust, waist, and hips. Rather than looking at absolute weight, it looks at the ratio and distribution of measurements. The primary logic follows these standard classifications:
Common Logic: Hip/Bust Difference > 3.6″ = Pear Shape
- Hourglass: Requires a balanced bust and hip (difference less than 3.6″) with a waist that is at least 25% smaller than the bust or hip.
- Pear (Triangle): Defined by hips that are significantly wider (3.6″ or more) than the bust.
- Inverted Triangle: Defined by a bust that is significantly wider (3.6″ or more) than the hips.
- Rectangle: Occurs when the bust, waist, and hips are all within a similar range, lacking a deeply defined waistline.
- Apple (Round): Occurs when the waist measurement is greater than or equal to the bust and hip measurements.
Calculation Example
Example Scenario: A user wants to find their shape for professional tailoring.
Step-by-step calculation:
- Bust Measurement = 38 inches
- Waist Measurement = 28 inches
- High Hip Measurement = 36 inches
- Hip Measurement = 39 inches
- Analysis: (Hip – Bust) = 1 inch. (Bust – Waist) = 10 inches. (Hip – Waist) = 11 inches.
- Comparison: Since the Bust and Hip are within 3.6 inches of each other and both are significantly larger than the waist (by 8+ inches), the result is Hourglass.
Common Questions
Can my body shape change?
Yes. While your bone structure remains the same, changes in muscle mass, body fat percentage, and hormonal shifts (like menopause) can significantly alter your measurements and move you from one shape category to another, such as shifting from a Rectangle to an Apple or an Hourglass to a Pear.
Why do I need the "High Hip" measurement?
The high hip measurement is crucial for differentiating between a "Spoon" shape and a "Pear" shape. It helps the body shape calculator understand where your curve starts, which is vital for choosing the right rise in trousers and skirts.
What if I am between two shapes?
Many people do not fit perfectly into a single category. If your results are close to the boundary, you might consider yourself a hybrid (e.g., a "Pear-ish Hourglass"). Use the results as a guideline rather than a strict rule for styling and fitness goals.