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BMI Calculator
Check your body mass index from weight and height.
About this calculator
BMI = weight in kg ÷ height in metres squared. A BMI between 18.5 and 24.9 is considered normal. Example: 70 kg and 170 cm gives a BMI of 24.2. BMI does not separate muscle from fat, so use it only as a guide.
Results are estimates for information only. Please confirm important decisions with a qualified professional.
Frequently asked questions
What is a healthy BMI?
For most adults a BMI of 18.5 to 24.9 is considered healthy.
Is BMI accurate for athletes?
Not always. Muscular people can show a high BMI even with low body fat.