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Body Composition • Health Screening

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio, a simple WHO health-screening measure of fat distribution and cardiometabolic risk.

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Why Use This Calculator?

  • WHO-based low / moderate / high risk categories.
  • Separate thresholds for men and women.
  • Works in centimeters or inches.

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Waist-to-Hip Ratio Calculator

About Waist-to-Hip Ratio Calculator

Waist-to-hip ratio (WHR) compares fat stored around the waist to fat stored around the hips. Fat carried around the waist ('apple shape') is more strongly linked to cardiometabolic risk than fat carried around the hips ('pear shape'), which is why WHR is used alongside — or instead of — BMI in some risk screenings.

Results

Waist-to-Hip Ratio
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Risk Category
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Summary

Enter values to see your results.

Waist-to-Hip Ratio Calculator Formula

Ratio

WHR = Waist Circumference ÷ Hip Circumference

Men — Low Risk

WHR below 0.90

Women — Low Risk

WHR below 0.80

Measurement Points

Waist: narrowest point above navel. Hip: widest point around buttocks.

Quick Reference

GenderLow RiskModerate RiskHigh Risk
Men< 0.900.90 – 0.99≥ 1.00
Women< 0.800.80 – 0.85> 0.85

Apple vs. Pear Shape

Higher WHR ('apple') concentrates fat around the abdomen; lower WHR ('pear') concentrates it around the hips and thighs.

Important Note

WHR is a screening tool, not a diagnosis. Combine it with other measures and a healthcare provider's assessment.

Key Terms Explained

Where fat is stored on the body matters as much as how much there is — WHR is a quick way to capture that distribution.

📏 Waist Circumference

  • Measured at the narrowest point, usually just above the navel.
  • Reflects abdominal (visceral) fat.
  • More strongly linked to metabolic risk than hip measurement.

📐 Hip Circumference

  • Measured at the widest point around the buttocks.
  • Reflects gluteofemoral fat storage.
  • Used as the denominator in the ratio.

🍎 Apple vs. Pear Shape

  • Apple shape: more fat around the waist, higher WHR.
  • Pear shape: more fat around hips/thighs, lower WHR.
  • Apple-shaped fat distribution carries higher cardiometabolic risk.

❤️ Cardiometabolic Risk

  • Risk of conditions like heart disease and type 2 diabetes.
  • WHR is one of several screening indicators used alongside BMI.
  • Ratio-based measures can flag risk in people with a 'normal' BMI.

Where It's Used

🩺 Cardiovascular Risk Screening

A quick, no-equipment check used alongside BMI and blood work.

📈 Fitness Progress Tracking

Track fat redistribution over a training block, not just scale weight.

🎯 Tailoring Training Goals

Set body-composition goals beyond a single weight number.

🏥 Clinical Intake

Some clinics record WHR as part of a standard health assessment.

🥗 Nutrition Coaching Baseline

Establish a starting point before a fat-loss or recomposition program.

⚖️ BMI Limitation Check

Flag risk that a BMI-only assessment might miss in muscular or lean individuals.

Worked Examples

Example 1 — Male, Low Risk

Waist 80 cm, hip 100 cm → WHR 0.80 (low risk).

Example 2 — Female, Moderate Risk

Waist 78 cm, hip 96 cm → WHR 0.81 (moderate risk).

Example 3 — Male, High Risk

Waist 102 cm, hip 98 cm → WHR 1.04 (high risk).

Best Practices & Common Mistakes

✅ Best Practices

  • Measure waist at the narrowest point, usually just above the navel.
  • Measure hips at the widest point around the buttocks.
  • Keep the tape snug but not compressing the skin.
  • Measure at the same time of day for consistent tracking.
  • Use WHR alongside BMI and waist-to-height ratio for a fuller picture.

❌ Common Mistakes

  • Measuring waist at the belly button regardless of where it's narrowest.
  • Pulling the tape too tight, which understates the true measurement.
  • Comparing your WHR directly to someone of a different gender.
  • Treating a single WHR reading as a medical diagnosis.
  • Measuring over bulky clothing instead of directly on skin or thin clothing.

Frequently Asked Questions

Generally below 0.90 for men and below 0.80 for women is considered low risk by WHO reference ranges.
They measure different things — BMI reflects overall weight relative to height, while WHR reflects fat distribution. Many practitioners use both together.
Waist: the narrowest point of your torso, usually just above the belly button. Hips: the widest point around your buttocks.
Yes — fat distribution can shift with training and diet even when total weight stays similar.

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