How to use the waist-to-hip ratio calculator
Compute waist-to-hip ratio and health risk. Enter waist, hip in the fields above; the waist-to-hip ratio is computed instantly and plotted on the chart so you can see how the answer changes.
Formula
Variables
- w — Waist (cm)
- hp — Hip (cm)
Worked example
With waist = 85 cm, hip = 100 cm, the calculator gives waist-to-hip ratio ≈ 0.85.
Frequently asked questions
What is the formula for the waist-to-hip ratio calculation?
Waist-to-hip ratio = w / hp. Here w is waist (cm), hp is hip (cm).
What inputs do I need for the waist-to-hip ratio calculator?
You need waist in cm, hip in cm. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use this calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.