Calculate your body mass index and see the healthy weight range for your height.
Estimates only - not medical advice.
BMI is weight divided by height squared: kilograms and meters for metric (703 times pounds divided by inches squared for imperial). It takes about three seconds to compute and about thirty seconds to misinterpret. The number is a useful population-level screen, not a personal diagnosis. It says nothing about muscle mass or fat distribution.
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Between 18.5 and 24.9 for most adults, according to the WHO. Below 18.5 is underweight; 25 to 29.9 is overweight; 30 and above is classified as obese. These are statistical thresholds, not verdicts.
Useful as a quick screen, less useful as a standalone measure. It does not distinguish fat from muscle, and it can misclassify athletes (too high) and older adults who have lost muscle (too low). Pair it with a body-fat estimate for a more complete picture.
Weight in kilograms divided by height in meters squared. In imperial: 703 multiplied by weight in pounds, divided by height in inches squared.
No. These are estimates for general information. Talk to a doctor or registered dietitian before making health decisions based on any single number.