BMI Calculator
Free online bmi calculator – Fast, accurate, and easy to use
Calculate your Body Mass Index (BMI), see your weight status, and compare with medical guidelines. 100% private, mobile-friendly calculator.
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How to Use This Calculator
Step 1: Enter Your Height
Input your height in centimeters—or in feet/inches for imperial.
Step 2: Enter Your Weight
Input your weight in kilograms or pounds.
Step 3: Calculate BMI
Click Calculate to see your BMI and category.
Step 4: Interpret Results
See which range you fall into and read health tips.
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