BMI Calculator
Body mass index and a healthy weight range for your height.
- Category
- Healthy weight
- Healthy range for your height
- 56.7 kg to 76.3 kg
- BMI Prime
- 0.91
BMI does not distinguish muscle from fat and is less accurate for athletes, older adults and during pregnancy.
How this calculator works
BMI divides your weight by the square of your height. The adult categories come from the World Health Organization.
Formula
BMI = weight (kg) ÷ height (m)²
Example
A person who weighs 70 kg and is 175 cm tall has a BMI of 22.9, in the healthy range.
When to use it
- Quick screening of weight status
- Tracking change over time
- Finding a healthy weight range for your height
Frequently asked questions
What is a healthy BMI?
For adults, 18.5 to 24.9 is classed as a healthy weight. Some health organizations use lower cut-offs for people of Asian descent.
Is BMI accurate for children?
Children and teens need BMI-for-age percentiles, which compare them with others of the same age and sex. This calculator is designed for adults.
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Learn more
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