Mass:
60
kg
30
60
90
120
Height:
1.65
m (
165
cm)
1.3
1.5
1.7
2.0
BMI:
22.0
Healthy Weight
BMI = 60 ÷ (1.65 × 1.65) = 22.0
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BMI Guide
Underweight
BMI < 18.5
Healthy Weight
BMI 18.5 - 24.9
Overweight
BMI 25.0 - 29.9
Obese
BMI ≥ 30.0
BMI helps us understand if our body weight is healthy for our height
Explore:
What happens to BMI when you increase mass but keep height the same?
How does height affect BMI?
Try to find a combination that gives a healthy BMI
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Helpful Hints
Try increasing height and see what happens to BMI
Taller people can have higher mass and still be healthy
BMI is calculated by dividing mass by height squared
Small changes in height have big effects on BMI