About BMI Calculator
Compute your Body Mass Index (BMI) instantly with either metric (kilograms, centimeters) or imperial (pounds, inches/feet) units. The tool displays your BMI value and a health category: underweight, normal, overweight, or obese. Real-time calculation updates as you enter your measurements.
Features
- Calculate BMI in metric or imperial units
- Health category feedback (underweight, normal, overweight, obese)
- Real-time calculation as you type
- Supports height in cm or feet/inches
Frequently Asked Questions
How is BMI calculated?
BMI is calculated as weight in kilograms divided by height in meters squared (kg/mΒ²). For imperial units, the formula is 703 Γ weight in pounds divided by height in inches squared.
What BMI is considered normal?
According to the WHO, a BMI between 18.5 and 24.9 is considered normal weight. Below 18.5 is underweight, 25-29.9 is overweight, and 30 or above is obese.