BMI Calculator

Get your body mass index using metric measurements. Your result appears instantly and includes the standard adult category.

BMI is a screening tool, not a medical diagnosis. Talk with a qualified clinician for personal health guidance.

Frequently Asked Questions

Clear, evidence-informed answers about daily hydration.

What is BMI?

Body mass index is a screening measure calculated from weight and height. It is not a diagnosis and does not directly measure body fat.

What is a healthy BMI?

For most adults, a BMI from 18.5 to 24.9 is categorized as the healthy weight range. Individual health assessments may vary.