BMI Calculator
Quickly compute your Body Mass Index to screen your weight category. The BMI calculator accepts metric or imperial height and weight, applies the standard formula, and shows where you fall on the WHO classification scale with a visual indicator.
Your BMI
Advertisement
How to Use the BMI Calculator
- Choose metric (cm/kg) or imperial (ft/in/lbs).
- Enter your height and weight.
- Click Calculate to see your BMI value, weight category, and a visual bar.
Formula Used
Example: 175 cm, 75 kg โ BMI = 24.5, which falls in the "Normal weight" range.
Frequently asked questions
Everything you need to know about this calculator.
Related Calculators
BMR Calculator
Free BMR calculator using the Mifflin-St Jeor equation. Enter age, weight, height and gender to estimate calories you burn at complete rest each day.
OpenCalorie Calculator
Free daily calorie calculator. Enter your age, weight, height, gender, and activity level to estimate the calories you need each day to maintain, lose, or gain weight.
OpenBody Fat Calculator
Free body fat percentage calculator using U.S. Navy method. Enter neck, waist, and hip measurements to estimate your body composition without calipers.
OpenIdeal Weight Calculator
Free ideal weight calculator using multiple formulas (Robinson, Miller, Devine, Hamwi). Enter height and gender to find your healthy weight range.
Open