Body Fat Calculator
Estimate your body fat percentage with the US Navy method.
BMI Calculator
Calculate your Body Mass Index and its WHO classification.
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⚠️ This calculator is for guidance only. It does not replace medical diagnosis or advice from a healthcare professional.
The BMI calculator relates your weight and height to get your Body Mass Index, the most widely used screening indicator for body weight. Get your numeric value and its classification according to the World Health Organization ranges, from underweight to obesity, in less than a second. Use it as many times as you need: it is completely free, requires no sign-up and works directly in your browser.
Frequently asked questions
¿Qué es el IMC?
El IMC relaciona peso y altura: peso(kg) / altura(m)². Es un indicador de cribado, no un diagnóstico. No distingue entre masa muscular y grasa.
¿Qué valores son normales?
Según la OMS: bajo peso <18.5, normal 18.5-24.9, sobrepeso 25-29.9, obesidad ≥30.
¿Mi IMC puede ser engañoso?
Sí. Los deportistas con mucha masa muscular pueden tener un IMC alto sin exceso de grasa. También existen diferencias por edad, sexo y etnia.
What is BMI?
BMI relates weight and height: weight(kg) / height(m)². It is a screening indicator, not a diagnosis. It does not distinguish between muscle mass and fat.
What values are normal?
According to WHO: underweight <18.5, normal 18.5-24.9, overweight 25-29.9, obese ≥30.
Can my BMI be misleading?
Yes. Athletes with high muscle mass can have a high BMI without excess fat. There are also differences by age, sex and ethnicity.