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CalculatorsBody CompositionWaist-to-Height Ratio
Verified Formula
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Waist-to-Height Ratio

A simple indicator of abdominal obesity.

Biometric Inputs

Real-time clinical computation active

Awaiting Data
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Enter biometric metrics to generate report

This assessment provides statistical probability and mathematical interpretation based on validated clinical equations. It is not a diagnostic tool.

Scientific Context

Determine your risk for obesity-related health issues using only your waist circumference and height.

Mathematical Formula

Waist / Height

Behind the Math

Ashwell et al. proposed the 0.5 ratio rule in the mid-1990s as a simpler and more accurate alternative to BMI, as it accounts for body shape and visceral fat location.

Expert Tip

Measure your waist at the narrowest point (usually just above the belly button) and your height without shoes. The goal is simple: keep your waist circumference less than half your height.

Primary Use
Health Screening
Standard
WHO Guidelines
Complexity
Clinical Grade

Frequently Asked Questions

Metric Recommendations

BMI Calculator

Standard body mass index calculation with clinical classification.

Body Fat Calculator

Estimate body fat percentage via US Navy method.

Waist-to-Hip Ratio

Evaluate body fat distribution.

Lean Body Mass (LBM)

Calculate the mass of your body excluding fat.

Ideal Weight Calculator

Calculate recommended healthy weight.

Ideal Body Fat Range

Healthy body fat targets by age and gender.

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