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Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio from two simple measurements to check your abdominal fat distribution and related health risk.

Secure Physical Composition Estimates
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Calculations run locally in client-side Javascript. No bodily circumferences or parameters are uploaded to servers.

Body Circumferences

cm
cm
Biological Gender

Example Presets

Load profiles to check calculations and risk factors:

WHR Risk Assessment

Awaiting Parameters

Fill in your physical waist and hip measurements to calculate your fat distribution risk ratio.

Formula Reference

Waist-to-Hip Ratio Formula

Waist-to-Hip Ratio is a simple ratio that indicates body fat distribution pattern — whether fat accumulates more around the abdomen ("apple" shape) or the hips and thighs ("pear" s...

$$WHR = \frac{\text{Waist Circumference}}{\text{Hip Circumference}}$$
View Full Formula, Step-by-Step Guide & Worked Examples

Waist-to-Hip Ratio Risk Standard Charts

Standard clinical classifications based on the World Health Organization (WHO) and National Institutes of Health (NIH) metrics.

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Women's WHR Standards

Women naturally store more gluteofemoral fat (lower body) for reproductive support, leading to lower baseline ratios. Ratios exceeding 0.85 indicate elevated abdominal adiposity.

Waist-to-Hip Ratio Risk Category Body Shape Association
< 0.80 Low Risk Pear Shape (Gynoid)
0.80 – 0.85 Moderate / Increased Risk Slight Abdominal Store
> 0.85 High Risk (Obesity) Apple Shape (Android)
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Men's WHR Standards

Men tend to accumulate fat centrally around the abdomen rather than the lower body. Thus, risk limits are higher, with ratios exceeding 0.95 suggesting high cardiovascular concern.

Waist-to-Hip Ratio Risk Category Body Shape Association
< 0.90 Low Risk Pear Shape (Gynoid)
0.90 – 0.95 Moderate / Increased Risk Slight Central Store
> 0.95 High Risk (Obesity) Apple Shape (Android)

Fat Distribution & Cardiovascular Risk Profile

Understanding subcutaneous fat vs. dangerous visceral fat and how they affect your metabolic baseline.

Subcutaneous vs. Visceral Fat

**Subcutaneous fat** resides directly below the skin, typically stored in hips, thighs, and limbs. **Visceral fat** wraps deep around major organs in your abdomen (liver, pancreas, kidneys). An elevated WHR represents high visceral fat volume, which is associated with systemic insulin resistance.

Cardiovascular & Diabetes Link

Visceral fat cells secrete inflammatory cytokines and free fatty acids directly into the portal vein leading to the liver. This fat distribution pattern is strongly linked with elevated blood triglycerides, decreased HDL (good cholesterol), high blood pressure, and type 2 diabetes.

Strategies for Waist Reduction

Targeted fat loss is a myth, but visceral fat is the first to burn during lifestyle interventions:

  • Nutrition: Minimize processed sugars, fructose, and refined starch, which feed visceral fat.
  • Exercise: Combine high-intensity interval training (HIIT) with full-body strength training.
  • Stress & Sleep: Keep cortisol levels low to prevent stress-induced fat storage.
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Education

How Waist-to-Hip Ratio Reveals Fat Distribution

01

The Ratio Formula

Waist-to-Hip Ratio (WHR) is calculated as your waist circumference divided by your hip circumference, using measurements in the same unit. Because men and women naturally carry fat differently, the calculator applies separate risk thresholds for each biological gender rather than a single universal cutoff.

02

Gender-Specific Risk Thresholds

For men, a WHR below 0.90 is Low Risk, 0.90 to 0.95 is Moderate Risk, and above 0.95 is High Risk. For women, a WHR below 0.80 is Low Risk, 0.80 to 0.85 is Moderate Risk, and above 0.85 is High Risk. These thresholds also drive the "Apple" (android, higher risk) versus "Pear" (gynoid, lower risk) body shape classification shown in the results.

03

Worked Example

A woman with a 76 cm waist and 100 cm hips has a WHR of 76 ÷ 100 = 0.76, which falls in the Low Risk category and is classified as a Pear body shape since it sits below the 0.85 threshold. The same measurements interpreted with the male thresholds would still read as Low Risk, since 0.76 is comfortably under 0.90.

04

A WHO-Recognized Complementary Metric

WHR is recognized by the World Health Organization as a useful indicator of abdominal obesity and cardiovascular risk, but it works best alongside other measurements rather than alone. Pair it with the Waist-to-Height Ratio Calculator or the BMI Calculator for a fuller picture of body composition and health risk.

Good to know

Questions, answered

Quick answers about how this tool works.

The Waist-to-Hip Ratio (WHR) is the dimensionless ratio of the circumference of the waist to that of the hips. It is calculated by dividing the waist measurement by the hip measurement (Waist / Hip).

For the waist, stand up straight and wrap a tape measure around your torso at its narrowest point (usually just above the belly button) after exhaling normally. For the hips, measure around the widest part of your buttocks, keeping the tape parallel to the floor.

BMI measures weight relative to height but doesn't distinguish between muscle and fat, nor does it account for where fat is stored. WHR specifically measures abdominal fat distribution. Visceral (midsection) fat is much more metabolically active and dangerous to organs than lower-body fat.

An "Apple" body shape (android) means more fat is stored around the waist and chest, indicating higher levels of visceral fat and increased risk for chronic illnesses. A "Pear" body shape (gynoid) stores fat in the lower body (hips, thighs), which is subcutaneous fat and has a lower health risk profile.

According to the World Health Organization (WHO), a healthy WHR is 0.90 or less for men and 0.85 or less for women. Ratios above these values indicate abdominal obesity and an increased risk of health complications.

You can improve your WHR by losing abdominal fat through a combination of healthy diet (reducing refined sugars, processed carbs, and trans fats), regular physical activity (both aerobic cardio and resistance strength training), stress management (cortisol increases belly fat storage), and adequate sleep.

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