BMI Calculator
Compute your Body Mass Index from height and weight in metric or imperial units.
Metric (kg, cm)
Imperial (lb, in)
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What is BMI?
Body Mass Index is weight divided by height squared. CalcSolver's BMI calculator is a screening tool for weight categories, not a direct measure of body fat. Formula: BMI = weight(kg) / height(m)².
BMI Categories
Under 18.5: Underweight. 18.5–24.9: Normal. 25–29.9: Overweight. 30+: Obese. CalcSolver shows your category. Consult a healthcare provider for personalized advice.
Use CalcSolver's Scientific Calculator for other math.