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University Health Service
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Body mass index calculator

Height used: Select height

BMI Metric Imperial
Underweight (<20) Select height Select height
Normal (20-25) Select height Select height
Over weight (25-30) Select height Select height
Obese (30-35) Select height Select height
Morbid obesity (>35) Select height Select height
Please remember this calculator is provided for guidance and we always suggest checking by a second method to ensure accuracy