Waist to Hip Ratio Calculator
Calculate your waist-to-hip ratio (WHR) with WHO health risk classification. WHR is one of the best predictors of cardiovascular disease — often more accurate than BMI alone. Includes body shape analysis, waist-to-height ratio, and age-adjusted risk assessment. 100% private, runs in your browser.
How Waist to Hip Ratio Calculator Works
Calculate your waist-to-hip ratio with health risk assessment. WHO-recommended metric — more accurate than BMI alone. Enter your values into the form above and the calculator processes them instantly in your browser — no data is sent to any server.
What Is Waist-to-Hip Ratio?
Waist-to-hip ratio (WHR) is a measurement that compares the circumference of your waist to the circumference of your hips. It is calculated by dividing your waist measurement by your hip measurement. The World Health Organization (WHO) recognizes WHR as one of the most reliable indicators of health risk related to excess abdominal fat. A higher WHR indicates more fat stored around the midsection, which is linked to increased risk of cardiovascular disease, type 2 diabetes, and metabolic syndrome.
WHR Health Risk Categories
The WHO defines health risk thresholds differently for men and women. For men, a WHR below 0.90 indicates low health risk, 0.90 to 0.99 indicates moderate risk, and 1.00 or above indicates substantially increased risk. For women, below 0.80 is low risk, 0.80 to 0.84 is moderate risk, and 0.85 or above signals high risk. These cutoffs are based on large epidemiological studies linking abdominal fat distribution to chronic disease outcomes. Age can also influence risk — older adults with the same WHR may face higher absolute risk than younger individuals.
Why WHR Is More Accurate Than BMI
Body Mass Index (BMI) only accounts for total body weight relative to height. It cannot distinguish between muscle mass, bone density, and fat. An athletic person with high muscle mass may have a "overweight" BMI while being metabolically healthy. WHR directly measures where your body stores fat. Visceral fat around the abdomen is metabolically active and produces hormones and inflammatory substances that increase disease risk. Studies published in The Lancet and BMJ have found that WHR is a better predictor of heart attack risk than BMI, especially in diverse populations. The waist-to-height ratio (WHtR) provides another complementary metric — keeping your waist circumference below half your height is a simple, evidence-based health target.
How to Measure Waist and Hip Correctly
For accurate results, measure your waist at the narrowest point between your ribs and hip bones — typically at the level of your belly button. Stand upright, breathe normally, and do not pull the tape tight. For hips, measure at the widest point of your buttocks. Use a flexible measuring tape and keep it level around your body. Measure directly on skin or over thin clothing. Take measurements in the morning before eating for the most consistent readings. Recording your measurements over time helps you track changes in body fat distribution even when your weight stays the same.
Apple vs Pear Body Shape
WHR is commonly used to classify body shape as either "apple" or "pear." Apple-shaped individuals carry more weight around their midsection (higher WHR), while pear-shaped individuals store fat primarily in the hips and thighs (lower WHR). Apple-shaped fat distribution is associated with higher cardiovascular and metabolic risk. Pear-shaped distribution, while not risk-free, is generally considered less dangerous. Understanding your body shape can help guide targeted lifestyle changes — for apple-shaped individuals, reducing refined carbohydrates and increasing cardiovascular exercise can help reduce visceral fat specifically.
Frequently Asked Questions
What is a healthy waist-to-hip ratio?
For men, a WHR below 0.90 is considered low risk. For women, below 0.80 is low risk. These thresholds are defined by the World Health Organization (WHO) based on studies linking abdominal fat distribution to cardiovascular disease and metabolic conditions.
Is WHR more accurate than BMI?
For assessing cardiovascular and metabolic risk, yes. BMI cannot distinguish between muscle and fat or where fat is stored. WHR specifically measures abdominal fat distribution, which studies in The Lancet and BMJ have shown is a stronger predictor of heart attack and stroke risk than BMI alone.
How do I measure my waist correctly?
Measure your waist at the narrowest point between your ribs and hip bones, typically at belly button level. Stand upright, breathe normally, and keep the tape snug but not tight. Measure on bare skin or thin clothing for the most accurate reading.
What is the difference between apple and pear body shape?
Apple-shaped people carry more fat around the midsection (higher WHR), which is associated with greater cardiovascular risk. Pear-shaped people store fat in the hips and thighs (lower WHR), which is generally considered less metabolically dangerous.
What is waist-to-height ratio?
Waist-to-height ratio (WHtR) divides your waist circumference by your height. A WHtR below 0.5 is considered healthy. It is a simple screening tool — keeping your waist less than half your height is associated with lower risk of heart disease and diabetes.
Does age affect WHR health risk?
Yes. While the WHR cutoffs remain the same, older adults face higher absolute risk at the same WHR values. This is because age-related changes in metabolism, hormones, and cardiovascular health amplify the risks associated with abdominal fat.
Is my data private?
Yes. All calculations run entirely in your browser. No personal health data is sent to any server.