Free Waist-to-Height Ratio Calculator
A simple screen for central obesity risk.
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Result
Waist-to-height ratio
0.49
Healthy
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Short answer
A simple screen for central obesity risk.
What is the Waist-to-Height Ratio Calculator?
A simple screen for central obesity risk.
How does the Waist-to-Height Ratio Calculator work?
Enter the inputs above and read the result.
Formula
Variables
WHtRWaist-to-height ratio
Explanation
A ratio of 0.5 or above ('keep your waist to less than half your height') is commonly used as a simple risk flag.
Examples
Applications
Advantages
Limitations
- This tool is for general education only and is not medical advice. Consult a qualified healthcare professional for diagnosis or treatment decisions.
Common mistakes
Tips
Related concepts
The Waist-to-Height Ratio Calculator sits inside the Health Calculators hub, in the body composition cluster. What body mass is made of and how it is distributed. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.
Practical use cases and industry applications
Understanding Waist-to-Height Ratio
A simple screen for central obesity risk. Within health calculators, waist-to-height ratio belongs to the body composition cluster, where it shares terminology and assumptions with closely related tools.
Learning how waist-to-height ratio is calculated
A ratio of 0.5 or above ('keep your waist to less than half your height') is commonly used as a simple risk flag. Working through the variables one at a time — WHtR — makes the result reproducible by hand and easier to sanity-check.
Using waist-to-height ratio to make a decision
Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.
How waist-to-height ratio compares with related measures
fat mass, lean mass, adiposity, percentile all describe adjacent aspects of body composition. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.
Frequently asked questions
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