Loading the page...
Preparing tools and content for you. This usually takes a second.
Preparing tools and content for you. This usually takes a second.
Fetching calculator categories and tools for this section.
Use our free waist-to-height ratio calculator to assess your metabolic and cardiovascular risk. Recognized worldwide by health professionals as a highly accurate predictor of cardiometabolic health, the WHtR checks your level of central abdominal fat. Simply enter your height and waist circumference to find out your health risk instantly.
Last updated: March 3, 2026
Need a custom medical calculator for your platform? Get a Quote
Measure horizontally midway between the lowest rib and the iliac crest.
Enter your height and waist circumference accurately to see your health risk assessment.
Advantage
Fat Distribution
Unlike BMI, WHtR explicitly measures central adiposity, which is the most dangerous fat. BMI cannot differentiate between muscle weight and fat weight.
Metrics
Standard Thresholds
Calculations assign you to specific risk buckets from 'Healthy' (<0.5) to 'Obese' (>0.63) so you can understand your medical vulnerabilities.
Demographics
One Rule Fits All
The <0.50 threshold is virtually universal, applying across genders, diverse ethnic groups, and both adults and children.
Excess body fat stored around the stomach and abdomen is known as central adiposity or visceral fat. Unlike subcutaneous fat (the fat located just under the skin), visceral fat is metabolically active. It surrounds vital organs like the liver and pancreas, releasing inflammatory cytokines that interfere with the body's normal hormonal functions.
WHtR = Waist Circumference / Height0.43 to 0.52: Healthy, low risk.
0.53 to 0.57: Overweight, elevated cardiovascular risk.
0.58 to 0.62: Highly overweight, high risk.
0.63 and above: Obese, extremely high risk.
NICE (The National Institute for Health and Care Excellence) and various global health institutions have recently pivoted to prioritizing WHtR as a primary screening metric over BMI. The beauty of this metric lies in its simplicity.
If an individual is 6 feet tall (72 inches), their waist circumference must stay under 36 inches to remain in the lowest risk bracket. This simple piece of advice has proven highly effective in public health messaging.
Working on your cardiometabolic health? Track your medication carefully with tools like the CrCl Calculator.
Explore Fitness CalculatorsCalculation: 33 / 70 = 0.471
Result: Healthy & Low Risk. Waist is well below the half-height limit (35 in).
Calculation: 99 / 165 = 0.600
Result: Highly Overweight. Waist falls in the highly dangerous zone above half height (82.5 cm).
Share the Waist-to-Height Ratio calculator with friends, family, or patients.
Suggested hashtags: #WHtR #HealthRisk #HealthCalculator #VisceralFat #TheCalcs