BMI Calculator
Calculate your Body Mass Index (BMI) and find out your weight category with health guidance.
Frequently Asked Questions
What is BMI?
BMI (Body Mass Index) is a measure of body fat based on your weight relative to your height. Formula: BMI = weight (kg) ÷ height² (m²).
What is a healthy BMI range?
A healthy BMI is between 18.5 and 24.9. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese.
Is BMI accurate for everyone?
BMI is a general indicator and may not be accurate for athletes, pregnant women, or elderly people as it doesn't distinguish between muscle and fat.
How do I calculate BMI in imperial units?
BMI = (weight in pounds × 703) ÷ (height in inches)². Or convert to metric first: 1 lb = 0.4536 kg, 1 inch = 0.0254 m.