Waist Hip Ratio Calculator

Where you carry fat matters more than how much you carry. Visceral fat — the kind around your organs in the abdomen — drives metabolic disease risk far more than subcutaneous fat in the hips and thighs. Our waist-hip ratio (WHR) calculator implements the WHO criteria for central obesity, computes both WHR and the waist-to-height ratio (WHtR — increasingly preferred because it's universal), and classifies waist circumference against the absolute risk thresholds. It synthesizes the three measures into an overall metabolic risk category.

star 4.8
auto_awesome AI
New

WHR Calculator calculator

straighten Measurements (cm)

Narrowest point above hip bone

Widest point of buttocks

analytics Risk Assessment

WHR
0.85
Waist/Height
0.49
Overall Risk
Low
WHR Category Low Risk
Waist Category Low Risk
Waist/Height Category Healthy
Interpretation
Low metabolic and cardiovascular risk based on body fat distribution

tips_and_updates Tips

  • • WHO men WHR cutoffs: <0.90 low, 0.90-0.94 moderate, 0.95-0.99 high, ≥1.0 very high
  • • WHO women WHR cutoffs: <0.80 low, 0.80-0.84 moderate, 0.85-0.89 high, ≥0.90 very high
  • • Universal waist-to-height rule: 'Keep your waist to less than half your height'
  • • Waist circumference alone: men ≥102 cm or women ≥88 cm = substantially increased risk
  • • WHR adds info beyond BMI, especially for normal-weight adults with central obesity
  • • Measure waist at the narrowest point (above the hip bone, below the rib cage)
  • • Visceral fat responds especially well to aerobic exercise and dietary improvement

How to Use the WHR Calculator

1

Measure waist

Find the narrowest point above your hip bone and measure horizontally.

2

Measure hip

Find the widest point of your buttocks and measure horizontally.

3

Enter measurements

Input waist, hip, sex, and height in the calculator.

4

Read risk

Review WHR, WHtR, and the synthesized metabolic risk category.

The Formula

WHR captures body fat distribution: an 'apple' shape (high WHR) carries more visceral fat and has higher metabolic risk than a 'pear' shape (low WHR) at the same total body weight. WHtR is increasingly preferred because the cutoff (0.5) applies universally — your waist should be less than half your height. Both add information beyond BMI, especially for adults of normal weight who still carry excess abdominal fat (TOFI: thin outside, fat inside).

WHR = Waist / Hip • WHtR = Waist / Height

lightbulb Variables Explained

  • WHR Waist circumference divided by hip circumference
  • WHtR Waist circumference divided by height (universal cutoff: <0.5 healthy)
  • Waist Measure at narrowest point above hip bone
  • Hip Measure at widest point of buttocks
  • Men WHR cutoff <0.90 low risk, 0.90-0.99 moderate, ≥1.0 high
  • Women WHR cutoff <0.80 low risk, 0.80-0.84 moderate, ≥0.85 high

tips_and_updates Pro Tips

1

WHO men WHR cutoffs: <0.90 low, 0.90-0.94 moderate, 0.95-0.99 high, ≥1.0 very high

2

WHO women WHR cutoffs: <0.80 low, 0.80-0.84 moderate, 0.85-0.89 high, ≥0.90 very high

3

Universal waist-to-height rule: 'Keep your waist to less than half your height'

4

Waist circumference alone: men ≥102 cm or women ≥88 cm = substantially increased risk

5

WHR adds info beyond BMI, especially for normal-weight adults with central obesity

6

Measure waist at the narrowest point (above the hip bone, below the rib cage)

7

Visceral fat responds especially well to aerobic exercise and dietary improvement

Waist-to-hip ratio (WHR) — calculated by dividing waist circumference by hip circumference — is one of the most reliable anthropometric indicators of cardiovascular and metabolic disease risk. The World Health Organization defines abdominal obesity as WHR above 0.90 for men and above 0.85 for women, thresholds associated with substantially increased risk of type 2 diabetes, coronary heart disease, and stroke. Unlike BMI, which cannot distinguish between muscle mass and fat mass, WHR specifically identifies central (visceral) adiposity — the metabolically active fat surrounding internal organs that releases inflammatory cytokines and disrupts insulin signaling. A landmark 2007 study in The Lancet involving over 27,000 participants across 52 countries found that WHR was a stronger predictor of heart attack risk than BMI. Measurement technique matters: waist circumference should be taken at the narrowest point between the lowest rib and the iliac crest (typically at the navel level), while hip circumference is measured at the widest point of the buttocks, both with a flexible tape held snug but not compressing the skin. Even modest reductions in WHR through diet and exercise — particularly visceral fat loss from aerobic activity — significantly improve metabolic health markers.

Why fat distribution matters more than total fat

Decades of research have shown that body fat is not a single thing — its location matters more than its quantity. Visceral fat (around abdominal organs) is metabolically harmful, secreting inflammatory molecules and driving insulin resistance. Subcutaneous fat (hips, thighs, arms) is largely metabolically neutral. Two people with the same total body fat can have very different cardiovascular risk depending on where it sits. WHR and waist circumference capture this distribution; BMI doesn't.

WHtR is gaining ground over WHR

The waist-to-height ratio is increasingly preferred over WHR because of its simplicity: 'Keep your waist to less than half your height' applies to everyone, regardless of sex, age, or ethnicity. WHR cutoffs differ by sex, which makes them harder to remember and compare. Both metrics are good — but WHtR is the easier one to teach and apply at scale, and it correlates equally well with metabolic outcomes.

Frequently Asked Questions

Related Tools

View all arrow_forward
health_and_safety

BMI Calculator

 health_and_safety

Body Fat Calculator

 health_and_safety

LBM Calculator

 health_and_safety

Muscle Mass Calculator
sell

Tags

waist hip ratio calculator whr calculator waist to hip ratio calculator waist circumference calculator waist height ratio calculator central obesity calculator abdominal obesity calculator metabolic risk calculator
verified

Data sourced from trusted institutions

All formulas verified against official standards.

WHO - Waist Circumference Report open_in_new Ashwell M. - Waist-Height Ratio open_in_new