Waist-to-Height Ratio Calculator
A simple, age- and sex-independent marker of cardiometabolic health risk.
A general screening tool, not a diagnosis — talk to a healthcare provider about your overall health risk profile.
Waist-to-height ratio
0.49
Within the healthy range (below 0.5).
For informational and educational purposes only — not medical advice, and not a substitute for consulting a qualified professional about your specific situation. TrueMeasureKit is not liable for decisions made based on these results. See our Terms of Service.
Why this beats BMI for some purposes
BMI can't distinguish muscle from fat, and it says nothing about where fat is distributed — a major limitation, since abdominal fat carries more cardiometabolic risk than fat elsewhere. Waist-to-height ratio sidesteps both problems with a single rule of thumb: keep your waist circumference under half your height, expressed as a ratio under 0.5. Unlike BMI, this threshold holds up reasonably well across different sexes and ages without separate lookup tables. For a fuller picture, pair it with our BMI or body fat percentage calculators.
Frequently asked questions
Why is waist-to-height ratio considered simpler than BMI?
It uses just two measurements and a single target — keeping your waist circumference under half your height — and unlike BMI, it doesn't need separate interpretation tables by age or sex, and directly reflects abdominal fat, which BMI doesn't distinguish.
What's the target ratio this calculator flags?
A ratio below 0.5 (waist circumference less than half of height) is the commonly cited healthy threshold across a wide range of ages — research suggests it correlates reasonably well with cardiometabolic risk across diverse populations.