BMI Calculator

Calculate Body Mass Index from height and weight with category and healthy range.

This calculator provides general information for educational purposes only. It is not medical advice, diagnosis or treatment. Always consult a qualified healthcare professional about your personal health.

BMI does not distinguish muscle from fat and may misclassify athletes, pregnant women, children and older adults. Asian populations often use lower cut-offs.

BMI Calculator inputs
BMI 24.22
Weight Category
Normal weight
Healthy Weight Range
53.5 - 72.0 kg
BMI Prime
0.97
Ponderal Index
14.25
Difference from Healthy Range
0

BMI category

BMI = sub kgheight sub m to the power 2
weight
Body mass in kilograms
height
Height in metres

70 kg at 170 cm gives a BMI of 24.2, in the normal range.

What is a healthy BMI?

For most adults a BMI between 18.5 and 24.9 is considered healthy, though the cut-offs differ for Asian populations and do not apply to athletes, children or pregnancy.