Body Mass Index (BMI) is a simple screening tool that uses your height and weight to estimate if you are at a healthy weight. It is calculated using the formula: BMI = weight (kg) ÷ height (m)².

What are the BMI categories?

BMI categories are: Underweight (below 18.5), Normal Weight (18.5-24.9), Overweight (25-29.9), and Obese (30 and above).

What are the limitations of BMI?

BMI limitations include: it does not distinguish between muscle and fat mass, may not be accurate for athletes or very muscular individuals, does not account for age, gender, or ethnicity differences, and should be used alongside other health assessments.

About BMI Calculator

What is BMI?

Body Mass Index (BMI) is a simple screening tool that uses your height and weight to estimate if you're at a healthy weight. It's calculated using the formula: BMI = weight (kg) ÷ height (m)²

BMI helps categorize weight status as underweight, normal weight, overweight, or obese, providing a quick health assessment.

BMI Categories

Underweight

BMI below 18.5

Normal Weight

BMI 18.5 - 24.9

Overweight

BMI 25 - 29.9

Obese

BMI 30 and above

BMI Limitations

While BMI is a useful screening tool, it has limitations:

Doesn't distinguish between muscle and fat mass
May not be accurate for athletes or very muscular individuals
Doesn't account for age, gender, or ethnicity differences
Should be used alongside other health assessments