Waist-to-Hip Ratio
Free Waist-to-Hip Ratio for health & fitness. Enter your measurements for personalized results with clear explanations and reference ranges.
Medical disclaimer: This calculator is provided for educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Results are general estimates and may not reflect your individual circumstances. Always consult a qualified healthcare professional before making decisions about your health.
Formula
WHR = Waist Circumference / Hip Circumference
Waist circumference divided by hip circumference, in the same units, so the result is unitless. It describes where fat sits rather than how much there is: a higher ratio means proportionally more around the abdomen, which tracks with visceral fat and metabolic risk. The WHO expert consultation places substantially increased risk at 0.90 or above for men and 0.85 or above for women, with lower cut-offs for several Asian populations. It is a screening indicator only, is not valid in pregnancy, and says nothing on its own about blood pressure, lipids or glucose.
Worked Examples
Example 1: Low Risk Male
Problem:Male with 82cm waist and 98cm hips.
Solution:WHR = Waist / Hip WHR = 82 / 98 = 0.837, rounds to 0.84 Risk bands used here (male): < 0.85 = Low ✓ 0.85-0.89 = Moderate ≥ 0.90 = Substantially increased (WHO cut-off) Result: 0.84 sits just inside the low band. Body Shape: Balanced distribution
Result:WHR: 0.84 (Low Risk)
Example 2: High Risk Female
Problem:Female with 88cm waist and 100cm hips.
Solution:WHR = Waist / Hip WHR = 88 / 100 = 0.88 Risk bands used here (female): < 0.80 = Low 0.80-0.84 = Moderate ≥ 0.85 = Substantially increased (WHO cut-off) ✓ Result: 0.88 is above the WHO cut-off of 0.85. Body Shape: more central fat distribution This is a screening signal, not a diagnosis: the next step is blood pressure, lipids and glucose with a clinician.
Result:WHR: 0.88 (above the WHO 0.85 cut-off)
Example 3: Imperial Units
Problem:Male with 36 inch waist and 40 inch hips.
Solution:Convert to calculate: Waist: 36 in = 91.4 cm Hip: 40 in = 101.6 cm WHR = 91.4 / 101.6 = 0.90 Or simply: WHR = 36 / 40 = 0.90 (the ratio is unitless, so either unit works) Risk: 0.90 is exactly the WHO cut-off for men, so this reads as substantially increased risk rather than borderline.
Result:WHR: 0.90 (at the WHO cut-off for men)
Frequently Asked Questions
What is a healthy waist-to-hip ratio?
The WHO expert consultation sets the point of substantially increased metabolic risk at 0.90 or above for men and 0.85 or above for women. This page treats men below 0.85 and women below 0.80 as low risk, with a moderate band in between so you can see the number moving before it crosses the WHO line. Ethnic-specific cut-offs are lower for several Asian populations, so ask your clinician which threshold applies to you.
Why is abdominal fat more dangerous?
Visceral fat (fat around organs in the abdomen) is metabolically active and releases inflammatory substances. It's linked to insulin resistance, type 2 diabetes, heart disease, and certain cancers. Fat stored in hips and thighs (subcutaneous fat) doesn't carry the same risks.
How do I measure waist circumference correctly?
The WHO protocol measures at the midpoint between the lowest rib and the top of the hip bone, with the tape horizontal, at the end of a normal breath out. Stand relaxed with feet close together and do not pull your stomach in; keep the tape snug without compressing the skin. Other protocols use the narrowest point or the navel, which read slightly differently, so pick one landmark and use it every time.
What does 'apple' vs 'pear' body shape mean?
Apple shape means you carry more weight around the middle (higher WHR). Pear shape means more weight in hips and thighs (lower WHR). Apple shape is associated with higher cardiovascular risk. Pear shape, more common in women, carries lower metabolic health risks.
Can I change my waist-to-hip ratio?
Yes, through diet and exercise. You can't spot-reduce fat, but overall fat loss typically reduces waist fat first. Strength training builds hip/glute muscles, potentially improving the ratio. Cardio and caloric deficit help reduce visceral fat. Genetics influence fat distribution but don't determine it entirely.
Is WHR better than BMI?
For health risk assessment, WHR provides additional valuable information. BMI measures total body size but doesn't account for fat distribution. Someone with normal BMI but high WHR (normal weight obesity) may have higher health risks than their BMI suggests. Using both metrics together is most informative.
Does WHR change with age?
Yes, fat redistribution is common with aging. Men typically gain abdominal fat with age. Women's fat distribution shifts after menopause, with more storage in the abdomen. Regular exercise and healthy diet can mitigate age-related increases in WHR.
What health conditions are associated with high WHR?
High WHR is associated with: cardiovascular disease, type 2 diabetes, metabolic syndrome, high blood pressure, high cholesterol, stroke, sleep apnea, and certain cancers (breast, colorectal). Even modest reductions in waist circumference can significantly reduce these risks.
What are macronutrients and why do ratios matter?
The three macronutrients provide all dietary calories and serve distinct physiological roles. Protein (4 calories/gram) builds and repairs muscle tissue, produces enzymes and antibodies, and supports satiety — most research supports 1.6-2.2 grams per kilogram of body weight for active individuals. Carbohydrates (4 cal/g) are the body's preferred fuel for high-intensity exercise and brain function; complex carbs from whole grains, legumes, and vegetables provide sustained energy and fiber. Fats (9 cal/g) are essential for hormone production, fat-soluble vitamin absorption (A, D, E, K), and cell membrane integrity. Common macro targets: standard balanced (50% carb/25% protein/25% fat), high-protein muscle gain (30% carb/35% protein/35% fat), ketogenic (5% carb/20% protein/75% fat). Ratios should be adjusted based on your specific training load, health markers, and goals.
Background & Theory
Waist-to-hip ratio measures body fat distribution by comparing waist circumference to hip circumference. It's a key indicator of metabolic health and cardiovascular risk.
Formula:
WHR = Waist Circumference / Hip Circumference
Risk Categories (WHO expert consultation, 2008)
The WHO defines substantially increased risk of metabolic complications at a WHR of 0.90 or above for men and 0.85 or above for women. The bands below add an intermediate step so the number moves before it crosses that line.
Men:
| WHR | Risk Level |
|---|---|
| < 0.85 | Low |
| 0.85-0.89 | Moderate |
| ≥ 0.90 | Substantially increased (WHO cut-off) |
Women:
| WHR | Risk Level |
|---|---|
| < 0.80 | Low |
| 0.80-0.84 | Moderate |
| ≥ 0.85 | Substantially increased (WHO cut-off) |
Body Shape Types:
- Apple Shape: Higher WHR, more abdominal fat
- Pear Shape: Lower WHR, more hip/thigh fat
- Balanced: Middle range
Why WHR Matters:
- Predicts cardiovascular disease risk
- Indicates visceral fat levels
- Associated with diabetes risk
- Independent of total body weight
- Better predictor than BMI for some conditions
Measurement Guidelines:
- Waist: WHO measures at the midpoint between the lowest rib and the top of the hip bone, at the end of a normal breath out (some protocols use the narrowest point instead; be consistent)
- Hip: Widest point of buttocks
- Stand relaxed, don't suck in
- Keep tape level and snug
- Measure on bare skin or light clothing
Targets:
- Men: stay below the 0.90 WHO cut-off
- Women: stay below the 0.85 WHO cut-off
- WHO also treats waist circumference alone (94cm and 102cm for men, 80cm and 88cm for women) as a risk indicator, and those cut-offs are lower for South Asian, Chinese and Japanese populations