📏 Waist-Height Ratio Calculator

Calculate your waist-to-height ratio (WHtR), health risk category, and comparison with BMI. Supports metric and imperial measurements.

Waist circumference (cm)

Height (cm)

Tip: for BMI comparison, optionally enter your weight below.

Weight (kg) — optional

WHtR Risk Categories

WHtR Range	Category
< 0.4	Extremely slim / underweight
0.4 – 0.5	Healthy range
0.5 – 0.6	Overweight / increased risk
> 0.6	Obese / high risk

'Is WHtR different for men and women?', 'answer' => 'Unlike WHR, WHtR uses the same cut-offs for both men and women. The 0.5 boundary is considered universal, though some researchers propose slightly different thresholds (e.g. 0.48 for women, 0.52 for men).'], ['question' => 'What is a healthy waist size?', 'answer' => 'Using WHtR: your waist should be less than half your height. For a 175 cm person, waist < 87.5 cm. Absolute cut-offs from WHO suggest < 94 cm for men and < 80 cm for women as low-risk thresholds.'], ]" />

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