Fitness tool

Waist-to-Height Ratio (WHtR) Calculator

Screen for metabolic syndrome, early diabetes risk, and visceral adiposity using the universal Waist-to-Height boundary standard.

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The Universal WHtR Boundary Guideline

Clinical evidence establishes a practical universal guideline across diverse adult populations: Keep waist circumference below half your height (WHtR < 0.50).

Risk Boundaries

  • WHtR < 0.40: Underweight / Depleted Reserve
  • WHtR 0.40 - 0.49: Healthy Baseline / Low Metabolic Risk
  • WHtR 0.50 - 0.59: Increased Risk for Metabolic Syndrome & Type 2 Diabetes
  • WHtR ≥ 0.60: Substantially Elevated Health Risk

Frequently Asked Questions

Why is WHtR widely applicable across ethnicities?

Unlike absolute waist limits, scaling waist circumference to height normalizes visceral adiposity across different frame sizes.

Does this metric apply to children?

Yes. Pediatric research confirms the 0.50 cutoff serves as a reliable screening threshold in children over age 5.

How is waist measured for WHtR?

Measure midway between the lowest palpable rib and the iliac crest (at the level of the navel) during relaxed exhalation.

What health conditions correlate with an elevated WHtR?

High WHtR correlates with non-alcoholic fatty liver disease (NAFLD), hypertension, dyslipidemia, and systemic chronic inflammation.

How to use

Calculate in three steps

  1. 1
    Enter your valuesUse the fields above and check the units shown beside each input.
  2. 2
    Run the calculationSelect Calculate to refresh the result with your latest values.
  3. 3
    Review or shareCompare the result, reset the form, print it, or share this page.
Inputs

What you need

Waist Circumference (cm)cm
Stature / Height (cm)cm