Waist-to-Hip Ratio Calculator
Divide waist circumference by hip circumference using consistent units.
Formula
Ratio=waist circumference÷hip circumference.
Waist circumference: 32 in · Hip circumference: 40 in · Dimensionless ratio ≈ (32 in × 0.0254 m/in)÷(40 in × 0.0254 m/in)
How to use
- Measure waist halfway between the lowest rib and hip bone.
- Measure hips at the widest point.
- Enter each value and its unit.
Examples
- Waist 80 cm, hip 100 cm → 0.80.
Frequently asked questions
Must the units match?
You may select different units; the shared converter normalizes them first.
Is the ratio a diagnosis?
No. It does not account for every risk factor; pregnancy, age and measurement technique affect interpretation.
Is this medical advice?
For reference only; it does not replace a clinician.
Sources
Updated: