Solvria — Generated on 8/30/2026
BMI Calculator
Calculate your Body Mass Index from height and weight.
Enter your values to calculate your result.
BMI is a general screening measure, not a diagnosis. It does not account for muscle mass or body composition. Consult a healthcare professional for a full health assessment.
Formula
BMI = Weight (kg) ÷ Height (m)²
BMI categories per the World Health Organization: below 18.5 is underweight, 18.5-24.9 is normal weight, 25-29.9 is overweight, and 30 or above is obese.
Example
A person weighing 70 kg at 175 cm tall has a BMI of about 22.9 — in the normal weight range.
Frequently Asked Questions
Is BMI an accurate measure of health?
BMI is a general screening tool and doesn't account for muscle mass, bone density, or body composition. It can be misleading for athletes, older adults, and some other groups.