Body Frame Size Calculator
Estimate whether your frame is small, medium, or large from wrist and height.
Quick answer: enter your details below and click Estimate Frame Size — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Measure around the smallest part of your wrist.
- Enter your height.
- Click Estimate Frame Size.
About this tool
Your wrist size compared with your height gives a rough frame-size estimate, which can help make sense of why healthy weights differ between people of the same height. The tool uses broad wrist bands for each sex and returns small, medium, or large. It is an estimate, not a medical measurement.
Frequently asked questions
Which wrist do I measure?
Either wrist works if you measure the narrowest point; use the same wrist if you repeat the check.
Is this a medical test?
No, it is a rough size estimate for general interest.