BMI Calculator
Frequently Asked Questions
What is BMI?
Body Mass Index (BMI) is a simple measure that uses your height and weight to work out if your weight is healthy. The BMI calculation:
- Divides your weight in kilograms by your height in meters squared
- Provides a score that may indicate if you're underweight, healthy weight, overweight, or obese
- Is used by healthcare professionals as a screening tool
- Is suitable for most adults aged 18-65
What do BMI ranges mean?
BMI ranges are categorized as follows:
- Under 18.5 = Underweight
- 18.5 to 24.9 = Normal weight
- 25.0 to 29.9 = Overweight
- 30.0 or higher = Obesity
What are BMI's limitations?
While BMI is useful as a general guide, it has some limitations:
- Doesn't account for muscle mass, bone density, age, or gender
- May not be suitable for athletes or bodybuilders
- Different considerations may apply for children and elderly
- Some ethnic groups may have different healthy BMI ranges
How often should I check my BMI?
BMI monitoring frequency depends on your health goals:
- General health maintenance: Every 6-12 months
- During weight management: Monthly to track progress
- After significant lifestyle changes: Every 3-4 months
- Always consult healthcare providers for personalized advice