Waist-to-Hip Ratio Calculator: Assess Your Health Risk
A male with a 36" waist and 40" hips has a waist-to-hip ratio of 0.90, which falls in the "Moderate Risk" category per WHO guidelines. Healthy WHR: below 0.90 for men, below 0.85 for women. WHR is a better predictor of cardiovascular risk than BMI because it measures where you ca
Calculate Waist-to-Hip Ratio
A measure of health risk based on fat distribution.
Waist-to-Hip Ratio
--
--
WHR Health Risk Categories
| Risk Level | Men | Women | |||||
|---|---|---|---|---|---|---|---|
| Low risk | Below 0.90 | Below 0.80 | |||||
| Moderate risk | 0.90 - 0.99 | 0.80 - 0.85 | |||||
| High risk | 1.00+ | 0.86+ | How to Measure CorrectlyWaist: Measure at the narrowest point between the bottom of your rib cage and the top of your hip bones (usually at or near the navel). Do not suck in your stomach. Hips: Measure at the widest point of your buttocks/hips, with feet together. Tips: Use a flexible tape measure. Keep it horizontal (parallel to the floor). Measure against bare skin or light clothing. Take 2-3 measurements and average them. WHR vs BMI | Metric | Measures | Strengths | Limitations |
| BMI | Total body mass relative to height | Simple, well-studied | Cannot distinguish fat from muscle | ||||
| WHR | Fat distribution (abdominal vs hip) | Better cardiovascular risk predictor | Requires accurate measurement | ||||
| Waist alone | Abdominal fat | Simpler than WHR, good predictor | Does not account for body size |
For the most complete picture, use all three: BMI for overall weight status, WHR for fat distribution, and body fat percentage for body composition.
Frequently Asked Questions
What is a healthy waist-to-hip ratio?
For men: below 0.90 is low risk, 0.90-0.99 is moderate, 1.00+ is high risk. For women: below 0.80 is low risk, 0.80-0.85 is moderate, 0.86+ is high risk. These cutoffs are from the World Health Organization. A WHR of 0.85 in a man is healthy; the same ratio in a woman indicates moderate risk — gender-specific thresholds are important.
Is waist-to-hip ratio better than BMI?
For predicting cardiovascular disease and metabolic syndrome, yes. A 2020 study in the BMJ found that central obesity (WHR/waist circumference) was more strongly associated with all-cause mortality than BMI. BMI is better for overall weight classification. Ideally, use both: BMI for general weight status, WHR for cardiovascular risk assessment.
How can I improve my waist-to-hip ratio?
Reduce waist circumference through: (1) Calorie deficit to lose overall body fat, (2) Reduce refined carbs and sugar (associated with visceral fat), (3) Increase fiber intake (25-30g/day), (4) Regular aerobic exercise (150+ min/week), (5) Strength training (builds muscle, boosts metabolism), (6) Adequate sleep (7-9 hours), (7) Stress management (cortisol promotes abdominal fat storage). You cannot spot-reduce belly fat.
What waist measurement indicates danger?
According to the National Institutes of Health, a waist circumference above 40 inches (102 cm) for men or 35 inches (88 cm) for women indicates substantially increased metabolic health risk, regardless of BMI. Even at a 'normal' BMI, a large waist circumference signals excess visceral fat and elevated disease risk.
Does waist-to-hip ratio change with age?
Yes. WHR typically increases with age as fat redistributes from the limbs to the abdomen (especially after menopause in women and declining testosterone in men). This is partly why cardiovascular risk increases with age. Maintaining regular exercise and healthy diet can slow this redistribution significantly.