BMI Calculator: Check Your Body Mass Index
Calculate your BMI instantly and understand what it means for your health with our free online tool.
Your BMI Results
Your BMI:
UnderweightNormalOverweightObese
Understanding BMI - Body Mass Index
The ToolMasteryHub BMI Calculator is a reliable tool that helps you determine your body mass index, a numerical value of your weight in relation to your height. BMI is widely used as a screening tool to identify potential weight issues in adults.
BMI Categories
- Below 18.5: Underweight - May indicate nutritional deficiency or other health issues
- 18.5 to 24.9: Normal weight - Generally associated with good health
- 25.0 to 29.9: Overweight - May lead to health issues and is a sign to consider lifestyle changes
- 30.0 and Above: Obesity - Increased risk of multiple health problems including heart disease and diabetes
Limitations of BMI
While BMI is useful for most adults, it has some limitations:
- Doesn't distinguish between muscle and fat (athletes may have higher BMI due to muscle mass)
- May not be accurate for elderly individuals who have lost muscle mass
- Not appropriate for pregnant or breastfeeding women
- Different thresholds may apply for certain ethnic groups
- Doesn't account for body fat distribution (where you carry weight matters)
Why Use Our BMI Calculator?
- Instant Results - Get your BMI calculated in seconds
- Multiple Units - Calculate using metric (kg/cm) or imperial (lb/ft) measurements
- Visual Indicator - See where your BMI falls on the standard scale
- Personalized Interpretation - Understand what your BMI means for your health
- Privacy - All calculations are performed locally on your device
Remember that BMI is just one health indicator. For a comprehensive health assessment, consult with healthcare professionals who can consider other factors like family history, lifestyle, and additional measurements.