Waist-to-Hip Ratio Calculator
Free waist-to-hip ratio (WHR) calculator. Enter your waist and hip measurements to assess body fat distribution and health risk using WHO guidelines with charts and risk classification.
About This Calculator
The Waist-to-Hip Ratio (WHR) Calculator is a free online health assessment tool that helps you evaluate your body fat distribution and associated health risks. WHR is a simple yet powerful metric used by healthcare professionals worldwide to identify individuals at increased risk for cardiovascular disease, type 2 diabetes, hypertension, and metabolic syndrome.
Unlike BMI which only considers total body mass, WHR specifically measures where you carry your fat. People with apple-shaped bodies (more weight around the waist, high WHR) face greater health risks than those with pear-shaped bodies (more weight around the hips, low WHR). The formula is straightforward: WHR = Waist Circumference ÷ Hip Circumference. Both measurements should be taken at the correct anatomical landmarks — waist at the midpoint between the lowest rib and iliac crest, and hips at the widest portion of the buttocks.
Our calculator follows the World Health Organization (WHO) classification system. For women, a WHR below 0.80 indicates low risk, 0.80–0.84 is moderate risk, and 0.85 or above indicates high risk (abdominal obesity). For men, a WHR below 0.90 is low risk, 0.90–0.99 is moderate risk, and 1.00 or above is high risk. The calculator supports both metric (cm) and imperial (in) units and provides a visual chart of your ratio against the risk thresholds.
Regional Notes
India: Asian Indians tend to have higher metabolic risk at lower WHR thresholds. The International Diabetes Federation recommends waist circumference cut-offs of 90 cm for men and 80 cm for women for the Asian population. Many Indian health organizations suggest lower WHR thresholds for screening.
US: The American Heart Association and the Centers for Disease Control (CDC) use WHR alongside BMI and waist circumference for cardiovascular risk assessment. Absolute waist circumference above 102 cm (40 in) in men and 88 cm (35 in) in women is also used as an independent risk factor.
UK: The National Health Service (NHS) recommends WHR as a useful health indicator. NICE guidelines suggest using WHR or waist circumference alongside BMI for assessing obesity-related health risk, particularly in people with BMI below 35.
Frequently Asked Questions
What is a healthy waist-to-hip ratio?
According to the World Health Organization (WHO), a healthy WHR is below 0.90 for men and below 0.85 for women. Values above these thresholds indicate abdominal obesity and increased risk of cardiovascular disease, type 2 diabetes, and other metabolic conditions.
How do I measure my waist and hips correctly?
Use a stretch-resistant tape measure. For waist, measure at the midpoint between the lowest rib and the top of the iliac crest (hip bone), usually just above the belly button. For hips, measure around the widest portion of the buttocks with the tape parallel to the floor. In clinical practice, measurements are taken at the smallest waist circumference and the widest hip circumference.
What does a waist-to-hip ratio of 0.85 mean?
A WHR of 0.85 indicates moderate health risk for women (abdominal obesity threshold) and low risk for men. Women with WHR of 0.85 or higher have increased risk of heart disease, stroke, and type 2 diabetes. For men, moderate risk starts at 0.90 and high risk at 1.00 or above.
Is WHR better than BMI for assessing health risk?
Many studies suggest WHR is a better predictor of cardiovascular disease and mortality than BMI because it accounts for body fat distribution. People with apple-shaped bodies (high WHR) face more health risks than pear-shaped bodies (low WHR), even at the same BMI. The WHO recommends using both WHR and BMI for a comprehensive health assessment.
Can I use this calculator for medical diagnosis?
No. This calculator is for educational and reference purposes only. It provides an estimate based on WHO guidelines but is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a healthcare provider for proper health assessment and personalized recommendations.
How does the WHO define abdominal obesity by WHR?
The World Health Organization defines abdominal obesity as a waist-to-hip ratio above 0.90 for males and above 0.85 for females. These cut-off points are used worldwide in clinical settings to identify individuals at increased metabolic and cardiovascular risk.
Can waist-to-hip ratio change with weight loss?
Yes, WHR can improve with weight loss and exercise. Reducing abdominal fat through a combination of diet, cardiovascular exercise, and strength training can lower your WHR. Studies show that even modest weight loss of 5-10% can significantly improve WHR and reduce associated health risks.
Does WHR differ between ethnic groups?
Yes, research indicates that body fat distribution varies by ethnicity. For example, Asian populations tend to have higher metabolic risk at lower WHR values compared to Caucasian populations. Some health organizations recommend lower WHR thresholds for Asian individuals (0.80 for women, 0.85 for men). Consult your healthcare provider for ethnicity-specific guidance.