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Waist-to-Height Ratio Calculator
Compute waist-to-height ratio (WHtR), a better cardiovascular risk predictor than BMI for most adults. Keep waist under half your height.
HEALTHWHtR is a simple cardiometabolic-risk indicator: keep your waist under half your height. NICE (UK) and AACE guidelines treat WHtR as a better predictor of cardiovascular disease than BMI for most adults.
BMI doesn't distinguish abdominal fat (the metabolically dangerous kind) from total body weight. Two people with identical BMI can have very different risk. The 0.50 cutoff (waist below half height) works across most adult populations regardless of sex, ethnicity, or height — and starts at age 6+ for children.
Disclaimer: Screening tool only. Pregnancy, high muscle mass, or unusual body proportions can affect the reading. Consult a healthcare provider for full cardiometabolic risk assessment.
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Frequently Asked Questions
What is the Waist-to-Height Ratio Calculator for?
WHtR is a simple cardiometabolic-risk indicator: keep your waist under half your height. NICE (UK) and AACE guidelines treat WHtR as a better predictor of cardiovascular disease than BMI for most adults.
How do I use the Waist-to-Height Ratio Calculator?
BMI doesn't distinguish abdominal fat (the metabolically dangerous kind) from total body weight. Two people with identical BMI can have very different risk. The 0.50 cutoff (waist below half height) works across most adult populations regardless of sex, ethnicity, or height — and starts at age 6+ for children.
How accurate are my waist-to-height ratio results?
Screening tool only. Pregnancy, high muscle mass, or unusual body proportions can affect the reading. Consult a healthcare provider for full cardiometabolic risk assessment.
Is the Waist-to-Height Ratio Calculator free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.
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