Body Adiposity Index Calculator

Estimate body fat from hip circumference and height, without needing a weight.

Hip (cm)

Height (cm)

Body fat (BAI)

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This is an estimate for general guidance, not medical advice. For a plan that fits you, talk to a doctor or qualified professional.

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How it works

BAI = hip ÷ height^1.5 − 18

Frequently Asked Questions

How does the Body Adiposity Index Calculator work?

Estimate body fat from hip circumference and height, without needing a weight.

Is this medical advice?

No. It gives general estimates only. For decisions about your health, speak with a qualified professional.