BMI Calculator
Our BMI (Body Mass Index) Calculator helps you determine your body mass index based on your weight and height. BMI is a widely used indicator of whether a person has a healthy body weight for their height.
How it works
- 1
Enter your weight in pounds or kilograms.
- 2
Enter your height in feet/inches or centimeters.
- 3
Click calculate to see your BMI and health category.
- 4
Review your BMI result and health recommendations.
Examples
Weight: 150 lbs, Height: 5'7" (67 inches)
BMI: 23.4 - Normal
A person weighing 150 lbs at 5'7" has a BMI of 23.4, which is in the normal range.
Weight: 200 lbs, Height: 5'10" (70 inches)
BMI: 28.6 - Overweight
A person weighing 200 lbs at 5'10" has a BMI of 28.6, categorized as overweight.
Weight: 120 lbs, Height: 5'5" (65 inches)
BMI: 20.0 - Normal
A person weighing 120 lbs at 5'5" has a BMI of 20.0, which is normal.
Frequently asked questions
BMI (Body Mass Index) is a measure of body fat based on height and weight. It is used as a screening tool to identify possible weight problems in adults.
BMI is calculated using the formula: BMI = weight(kg) / height(m)². In imperial units: BMI = (weight(lbs) / height(inches)²) × 703.
Under 18.5 = Underweight, 18.5-24.9 = Normal, 25-29.9 = Overweight, 30+ = Obese. These are general guidelines and may not apply to athletes or pregnant women.
BMI may not be accurate for athletes, older adults, pregnant women, and children. Consult a healthcare professional for personalized advice.
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