Healthy Weight
BMI 18.5 - 24.9
Overweight
BMI 25.0 - 29.9
BMI helps us understand if our body weight is healthy for our height
Explore:
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What happens to BMI when you increase mass but keep height the same?
BMI increases linearly — double the mass means double the BMI. Mass and BMI are directly proportional.
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How does height affect BMI?
Increasing height lowers BMI — and the effect is squared, so even small height increases make a big difference.
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Try to find a combination that gives a healthy BMI
Example: 65 kg and 1.70 m → BMI = 65 ÷ (1.70 × 1.70) = 22.5 ✅
Quiz Score: 0 / 3
Q1: Same height (1.70 m). Who has the higher BMI?
Q2: Same mass (70 kg). Who has the lower BMI?
Q3: Use the sliders to reach a Healthy BMI (18.5–24.9), then click below!
Live BMI: --