Calculate your BMI instantly and understand your health status with our professional BMI calculator
Learn about Body Mass Index and what your BMI score means for your health
Body Mass Index (BMI) is a measure of body fat based on height and weight. It's used as a screening tool to identify possible weight problems in adults.
BMI is a screening tool and not a diagnostic tool. Consult with a healthcare provider for a complete health assessment and personalized advice.
The formula used by this BMI calculator is simple and widely accepted by health professionals.
Formula: BMI = Weight (kg) / [Height (m)]²
Example: If your weight is 70 kg and height is 1.75 m, your BMI is calculated as:
70 / (1.75 × 1.75) = 22.9
Answers to common questions about BMI and how it’s calculated
BMI, or Body Mass Index, is a simple calculation used to determine whether a person is underweight, normal weight, overweight, or obese. It applies to adult men and women.
This BMI calculator uses your weight and height to compute a number that indicates your health category. It's ideal for both men and women.
The BMI formula is the same for all adults, but interpretation may vary slightly based on gender and fitness level. This tool works as a BMI calculator for women and a BMI calculator for men.
Enter your height in centimeters and weight in kilograms, then click “Calculate BMI.” You’ll see your BMI score and health classification instantly.
BMI is a good general health indicator, but it doesn’t account for muscle mass or body composition. Athletes and individuals with higher muscle mass may have a higher BMI but low body fat.
A healthy BMI typically ranges between 18.5 and 24.9. Below 18.5 is underweight, 25 to 29.9 is overweight, and 30 or more is obese.
No, this BMI calculator is designed for adults. Children’s BMI is measured differently and based on age and gender percentiles.
The formula remains the same, but body fat distribution may differ. This tool works well as a BMI calculator male or BMI calculator female.
Checking your BMI once every few months is sufficient, unless you're actively monitoring weight changes or following a fitness plan.
Yes, individuals with more muscle may have a higher BMI without being overweight. BMI doesn't differentiate between fat and muscle mass.