What is the Waist-to-Height Ratio Calculator?
Calculate your waist-to-height ratio, a simple screening measure of central body fat. Our health and fitness calculators use validated, published equations — such as Mifflin-St Jeor for metabolic rate and the U.S. Navy method for body fat — to give you a solid starting point for training and nutrition.
How to use the Waist-to-Height Ratio Calculator
- Enter your waist, your height.
- Results update automatically as you type; you can also press Calculate.
- Read the output: waist-to-height ratio, guideline, waist for a 0.5 ratio.
- Use the 📊 chart to see the result visually, then copy or share it.
Formula and method
Worked example
With waist = 84 cm, height = 175 cm, the Waist-to-Height Ratio Calculator returns waist-to-height ratio: 0.48; guideline: Healthy range (< 0.5); waist for a 0.5 ratio: 87.5 cm.
Tips for better results
- Equations estimate population averages; your individual numbers may differ.
- Track trends over weeks rather than reacting to a single reading.
- Pair calculators with professional guidance for medical conditions, pregnancy or major diet changes.
⚠️ This tool provides general information and is not medical advice. It is not a substitute for diagnosis or treatment by a qualified healthcare professional.
Frequently asked questions
What does the Waist-to-Height Ratio Calculator do?
Calculate your waist-to-height ratio, a simple screening measure of central body fat.
How is it calculated?
The Waist-to-Height Ratio Calculator uses this method: WHtR = Waist ÷ Height (keep your waist under half your height).
Can you show an example?
With waist = 84 cm, height = 175 cm, the Waist-to-Height Ratio Calculator returns waist-to-height ratio: 0.48; guideline: Healthy range (< 0.5); waist for a 0.5 ratio: 87.5 cm.
Is the Waist-to-Height Ratio Calculator accurate?
It uses standard published formulas and is tested against known values, but results are estimates for guidance. This tool provides general information and is not medical advice. It is not a substitute for diagnosis or treatment by a qualified healthcare professional.
Is this tool free and private?
Yes — the Waist-to-Height Ratio Calculator is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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