Calculate Body Mass Index (BMI) using metric (cm/kg) or imperial (ft/lbs) measurements with WHO classification ranges.
Controls the measurement system setting for Metric & Imperial BMI Body Mass Index Calculator in real time.
Controls the biological sex setting for Metric & Imperial BMI Body Mass Index Calculator in real time.
Controls the age (years) 2–120 yrs setting for Metric & Imperial BMI Body Mass Index Calculator in real time.
Controls the diagnostic standard setting for Metric & Imperial BMI Body Mass Index Calculator in real time.
Controls the weight (kilograms) setting for Metric & Imperial BMI Body Mass Index Calculator in real time.
Adjust the inputs on the left side to see real-time BMI scores, healthy targets, and WHO classification.
BMI is a population-level screening metric and does not differentiate between fat mass, lean muscle, or bone density. Muscular athletes and bodybuilders may register as “overweight” despite having very low body fat, while elderly individuals may register as “normal” despite sarcopenic fat retention.
178 cm, 73 kg (Healthy weight range, BMI ~23.0)
Verify that your measurement system matches the expected string format. Load a built-in sample preset to compare structural formatting.
Check the biological sex setting in Metric & Imperial BMI Body Mass Index Calculator to ensure encoding, precision, or specification version matches your target runtime.
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長さ、質量（重さ）、温度、データ容量（バイト・MB・GB）、速度、面積を超高精度浮動小数点演算で瞬時に相互換算。
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