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BMI Calculator

Calculate Body Mass Index (BMI) and check your weight category.

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How does this calculator work?

BMI Calculator (Body Mass Index) allows you to calculate body mass index, which is used to assess whether body weight is appropriate relative to height. The calculator shows weight category and helps monitor health and plan diet.

Frequently Asked Questions

Our BMI calculator on estim.at helps you calculate Body Mass Index. Simply enter your weight in kilograms and height in centimeters. The calculator will automatically calculate BMI using the formula: BMI = weight (kg) / height (m)ยฒ and show your weight category.
BMI ranges according to WHO: below 18.5 - underweight, 18.5-24.9 - normal weight, 25-29.9 - overweight, 30 and above - obesity. Our BMI calculator on estim.at automatically interprets the result and shows the appropriate weight category with recommendations.
BMI is a useful indicator for assessing body weight, but it doesn't account for body composition (muscle to fat ratio). For very muscular individuals or elderly people, it may be less accurate. Our BMI calculator on estim.at provides general information, but it's always advisable to consult a doctor for a complete health assessment.
Yes, our BMI calculator on estim.at is completely free and available online without registration. You can use it to quickly calculate your Body Mass Index and check your weight category.