BMI Calculator
BMI calculator.
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Enter values and click Calculate
🧮 BMI Formula
BMI = Weight (kg) / [Height (m)]²
Where: Weight in kilograms, Height in meters. BMI categories: <18.5 Underweight, 18.5-24.9 Normal, 25-29.9 Overweight, 30+ Obese
Frequently Asked Questions
What is a healthy BMI range?
A BMI between 18.5 and 24.9 is considered normal/healthy. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese. However, BMI doesn't account for muscle mass or body composition.
Is BMI accurate for athletes?
No, BMI can be misleading for muscular individuals as it doesn't distinguish between muscle and fat. Athletes may have a 'overweight' BMI despite low body fat. Use body fat percentage for more accuracy.
How often should I check my BMI?
Check your BMI monthly if actively managing weight, or quarterly for general health monitoring. Track the trend over time rather than focusing on a single reading.