Example calculation

BMI for 190 cm and 45 kg (6'3" / 99 lb)

This example calculates BMI for someone 190 cm (6'3") tall weighing 45 kg (99 lb), and shows where it falls on the standard WHO/CDC BMI category scale.

Inputs used in this example

Weight (kg)45

Height (cm)190

Estimated result

BMI

12.47

CategoryUnderweight

What this scenario tells you

For someone 190 cm tall weighing 45 kg (99 lb), the BMI works out to about 12.5, which falls into the underweight range under WHO/CDC guidelines. That's about 76 lb below the midpoint of the normal range (BMI 22 = 175 lb at this height). BMI is a quick screening number; pair it with waist circumference and body composition for a clearer picture.

Why this example matters

The result for bmi calculator uses the inputs shown above. Change one value at a time to see which assumption makes the biggest difference.

Before using the estimate to make a decision, check whether fees, units, timing, or other real-world conditions fall outside this calculation.

What to check next

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Explore nearby scenarios

Try a slightly different scenario to see how the result moves — useful for narrowing in on the values closest to your situation.

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