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Enter height and weight (metric or imperial). Get Body Mass Index category instantly with visual indicator.
Assess if weight is healthy relative to height. Useful starting point for health conversations with doctors.
18.5-24.9 is healthy; <18.5 underweight, 25-29.9 overweight, 30+ obese.
Useful screening but lacks body fat, muscle, age, composition data.
Both supported, same BMI result.
Monthly or quarterly for trends, part of overall health monitoring.
The Toolzie BMI Calculator computes your Body Mass Index using your height and weight, supporting both metric (kg/cm) and imperial (lbs/inches) units. BMI is a widely used screening tool for assessing healthy weight ranges in adults.
For most adults, a BMI between 18.5 and 24.9 is considered healthy. Under 18.5 is underweight; 25–29.9 is overweight; 30+ is obese.
BMI does not distinguish between muscle and fat, so it can overestimate weight issues in muscular individuals. Consult a doctor for a full assessment.
BMI calculations for children and teens use age- and sex-specific percentiles, which differ from adult ranges.
Yes — both unit systems produce the same BMI value when you enter equivalent measurements.