Waist Ratios – Combined Calculator
Waist-to-Height Ratio (WHtR)
Waist unit: cm/in
Height unit: cm / m / ft+in
Category: —
Waist-to-Hip Ratio (WHR)
Category: —
Step-by-step derivations
WHtR
WHtR = Waist / Height
Substitution: WHtR = W / H
Example with your inputs:
W = —, H = —
WHtR = — / — = —
WHR
WHR = Waist / Hip
Substitution: WHR = W / Hip
Example with your inputs:
W = —, Hip = —
WHR = — / — = —
Quick summary
Enter your measurements to see your ratios and indicative categories.
Reference cut-offs & sources
WHtR (adults): No increased risk < 0.50 ·
Increased risk 0.50–<0.60 ·
Very high risk ≥ 0.60
WHR (adults, WHO guidance):
Men ≤ 0.90,
Women ≤ 0.85
(values above suggest elevated risk).
Sources: Ashwell M. et al., Obesity Reviews 2012 (WHtR thresholds); WHO Expert Consultation 2011 (waist & WHR guidance). Categories are indicative only and not a diagnosis.