What does this calculator calculate?
BMI is weight in kilograms divided by height in meters squared. South Korea uses kg and cm; the US uses lb and in, converted into the same formula.
Worked examples
These examples use fixed sample inputs, separately from your current calculation. Displayed numbers are rounded.
South Korea units
- Weight
- 70 kg
- Height
- 175 cm
- Body mass index
- 22.9 BMI
US units
- Weight
- 154.323584 lb
- Height
- 68.897638 in
- Body mass index
- 22.9 BMI
Frequently asked questions
What is the BMI for 175 cm and 70 kg?
70 ÷ 1.75² is approximately 22.9. This number alone does not diagnose an individual’s health.
Is this suitable for children or pregnancy?
This page is for adult reference. Children and teenagers need age- and sex-specific interpretation; pregnancy needs separate assessment. No country-specific obesity diagnosis is supplied.
Method and references
An adult screening measure. Displays a numeric BMI without country-specific diagnosis; not a substitute for medical assessment.
CDC · BMICalculation methods, precision and data storage
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