Free waist health tools
Understand your waist. Build healthier habits.
Free calculators and plain-language guides on waist health, movement, nutrition and healthy aging.
Waist-to-Height Ratio Calculator
Enter your waist and height to see your ratio, how your waist compares with half your height, and what the result means.
A screening measure, not a diagnosis. Nothing you enter is stored.
Start with a tool
Waist-to-Height Ratio Calculator
Compare your waist with your height and see what the result means.
Explore by topic
Waist & Body
Understand your waist, body measurements and the factors that influence abdominal fat and body composition.
Move & Strengthen
Practical ways to walk more, build strength, improve mobility and stay active at every age.
Eat & Nourish
How everyday food choices, portions, protein and fiber support a healthy body and healthy aging.
Healthy Aging
Practical guidance for maintaining strength, mobility, healthy habits and independence as you get older.
Latest guides
-
What Is Waist-to-Height Ratio?
The short answer: waist-to-height ratio is your waist measurement divided by your height. The NHS advises trying to keep your waist to less than…
-
Does Walking Reduce Belly Fat? What the Guidelines Say
The short answer: brisk walking is the example both the CDC and the NHS give for moderate-intensity activity, and it counts toward the weekly…
-
Why Fiber Matters and Simple Ways to Eat More
The short answer: UK government guidelines say adults should eat 30g of fiber a day, and the NHS says most adults eat less. Fiber…
How we handle health information
Sourced
Health claims are based on named public-health organizations, and sources are listed on each page.
Educational
Our tools and guides are general information, not medical advice or a diagnosis.
Private
Our calculators run in your browser and do not store what you enter.