Body Frame Size Calculator
Small, medium or large frame from height and wrist size.
Your result
You have a medium frame by the height-to-wrist method. People with larger frames can sit toward the top of an ideal-weight range.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
Search by intent
Find this tool when you want to:
Learn more
Body Frame Size and Why It Changes Ideal Weight
Small, medium and large frames carry weight differently.
Weight & Body CompositionWhat Is BMI and What Does It Really Tell You?
BMI is a quick screening number. Here is what it measures, where it falls short and how to use it sensibly.
Weight & Body CompositionHow to Find a Healthy Weight Range for Your Height
There is no single perfect weight. Learn how clinicians use ranges and several formulas.
Frequently asked questions
What does the Body Frame Size Calculator do?
Small, medium or large frame from height and wrist size. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: am i big boned; frame size for ideal weight; wrist measurement.