Waist-to-Height Ratio Calculator

Calculate your Waist-to-Height Ratio to assess abdominal obesity risk.

Waist-to-Height Ratio

0.471

Category

Healthy

WHtR Category Breakdown

WHtR Category Boundaries

WHtR Category Breakdown

CategoryWHtR RangeYour WHtR
Underweight< 0.40
Healthy0.40 – 0.490.471
Overweight0.50 – 0.59
Obese≥ 0.60

Understanding Waist-to-Height Ratio

The Waist-to-Height Ratio (WHtR) calculator measures the ratio of your waist circumference to your height. Research shows this simple metric is a strong predictor of cardiovascular disease and metabolic syndrome, often outperforming BMI as a health indicator. A healthy WHtR is below 0.5, meaning your waist should be less than half your height.

Practical Example

Scenario: Let's walk through a practical example of Waist-to-Height Ratio calculation.

Step 1 — Measure your waist: Using a flexible tape at navel level, measure your waist circumference. For this example, let's use 80 cm.

Step 2 — Measure your height: Stand against a wall and measure your height. For this example, let's use 170 cm.

Step 3 — Calculate: WHtR = 80 ÷ 170 = 0.471. This falls in the healthy range (0.40–0.49), indicating a healthy waist-to-height ratio.

Formula: WHtR = waist circumference / height

Frequently Asked Questions

What is a healthy waist-to-height ratio?

A WHtR below 0.5 is generally considered healthy for both men and women. Values above 0.5 indicate increased health risk, and above 0.6 indicates significantly elevated risk.

How is waist-to-height ratio calculated?

WHtR = waist circumference ÷ height. Both measurements use the same unit (e.g., centimeters). For example, a waist of 80 cm and height of 170 cm gives WHtR = 80 ÷ 170 ≈ 0.47.

Is WHtR better than BMI?

Research suggests WHtR may be a better predictor of cardiovascular risk than BMI because it directly accounts for abdominal fat, which is the most dangerous type of fat for metabolic health.

How do I measure my waist correctly?

Measure your waist at the navel (belly button) level, standing upright with feet together. Use a flexible tape measure snug but not compressing the skin, and measure after exhaling normally.

Does WHtR apply to children?

WHtR thresholds for children differ by age. A value of 0.5 is commonly used as a screening cutoff, but pediatric assessment should be done by a healthcare professional using age-specific growth charts.

Disclaimer: This calculator provides estimates for informational purposes only. Actual results may vary. Consult a qualified healthcare professional for personalized medical advice.

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