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BMI Calculator
Find your Body Mass Index and healthy weight category.
Your BMI
0.0
How BMI is calculated
BMI = weight (kg) ÷ height (m)². Categories: below 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30 and above obese. BMI is a general guide and does not account for muscle mass.
Frequently asked questions
How is BMI calculated?
BMI = weight in kilograms ÷ (height in meters squared). For example, 70 kg and 1.75 m gives 22.9.
What is a healthy BMI range?
A BMI between 18.5 and 24.9 is considered normal.