BMI Calculator
Calculate your Body Mass Index with health categories.
100% Free Forever
170
70
Your BMI
24.2
Normal
Free BMI Calculator
Calculate your Body Mass Index using metric or imperial units. See your BMI category — underweight, normal, overweight, or obese.
How to use this tool
- 1
Pick metric or imperial
Use cm/kg or feet+inches/lbs.
- 2
Enter height & weight
Use the sliders.
- 3
See your BMI
Color-coded health category.
Pro tips
- BMI is a screening tool, not a diagnosis. Consult a doctor for medical advice.
Frequently asked questions
What's a healthy BMI?
Generally 18.5 to 24.9. But it doesn't account for muscle mass or build.