BMI Formula:
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Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = kg/m² where kg is a person's weight in kilograms and m² is their height in meters squared. BMI screens for weight categories that may lead to health problems.
The calculator uses the standard BMI formula:
Where:
Explanation: The formula divides your weight in kilograms by your height in meters squared to categorize your weight status.
Details: BMI provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems more objectively with their patients.
Tips: Enter your weight in kilograms and height in meters. For accurate results, measure your height without shoes and weight with minimal clothing.
Q1: What is a healthy BMI range?
A: For most adults, an ideal BMI is between 18.5 and 24.9. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese.
Q2: Is BMI accurate for everyone?
A: BMI may overestimate body fat in athletes and underestimate it in older people who have lost muscle mass.
Q3: How can I lower my BMI?
A: To lower BMI, focus on gradual weight loss through a balanced diet and regular physical activity.
Q4: What's the best way to measure height and weight?
A: Measure height against a wall without shoes, and weight first thing in the morning after using the bathroom.
Q5: Should children use this calculator?
A: No, children need BMI-for-age percentiles that account for growth patterns and sex differences.