BMI Calculator
Calculate your Body Mass Index with health insights.
About BMI Calculator
Calculate your Body Mass Index (BMI) with our free BMI calculator. Understand your weight category based on height and weight. Supports both metric (kg/cm) and imperial (lbs/ft) measurements.
Key Features & Benefits
BMI Calculation
Calculate BMI using the standard formula: weight ÷ height².
Category Classification
See your BMI category: underweight, normal, overweight, or obese.
Metric & Imperial
Enter weight in kg or lbs, height in cm or feet/inches.
Healthy Range
See the healthy weight range for your height.
How to Use BMI Calculator
Enter Weight
Input your weight in kilograms or pounds.
Enter Height
Input your height in centimeters or feet/inches.
View BMI
See your BMI score and weight category.
Frequently Asked Questions
BMI 18.5-24.9 is considered normal. Under 18.5 is underweight, 25-29.9 is overweight, 30+ is obese.
BMI doesn't account for muscle mass, age, or body composition. Athletes may have high BMI but low body fat.
BMI = weight (kg) ÷ height² (m²). Our calculator handles the math automatically.
BMI is a screening tool, not a diagnostic. Consult healthcare providers for health decisions.
Why Use Our BMI Calculator?
Understand your weight category quickly and easily. Our BMI calculator provides instant results with clear health category guidelines.