BMI Calculator
Track your health and fitness journey with our comprehensive BMI tool
Calculate Your BMI
How to Use This Calculator
- Enter your height in centimeters (without shoes)
- Enter your weight in kilograms (without heavy clothing)
- Click the "Calculate BMI" button
- Review your result and the corresponding health category
- Read the health tips below based on your BMI
BMI Categories
BMI Range | Category |
---|---|
Below 18.5 | Underweight |
18.5 - 24.9 | Normal weight |
25.0 - 29.9 | Overweight |
30.0 and above | Obese |
Understanding Your BMI
Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = kg/m2 where kg is a person's weight in kilograms and m2 is their height in meters squared.
While BMI is a useful screening tool, it has limitations. It doesn't directly measure body fat and doesn't account for factors like muscle mass, bone density, or overall body composition.
Health Tips Based on Your BMI
If You're Underweight (BMI < 18.5):
- Focus on nutrient-dense foods rather than just high-calorie junk food
- Eat more frequent meals (5-6 smaller meals per day)
- Include healthy fats like avocados, nuts, and olive oil
- Strength training can help build muscle mass
- Consult a doctor to rule out any underlying health conditions
If You're Normal Weight (BMI 18.5-24.9):
- Maintain your healthy habits with balanced nutrition
- Continue regular physical activity (150 minutes of moderate exercise per week)
- Monitor your weight periodically to maintain your healthy range
- Focus on body composition and strength, not just weight
- Get regular health check-ups
If You're Overweight (BMI 25-29.9):
- Aim for gradual weight loss (0.5-1 kg per week)
- Increase physical activity (start with walking if you're new to exercise)
- Reduce portion sizes and limit high-calorie, low-nutrient foods
- Focus on whole foods like vegetables, fruits, lean proteins, and whole grains
- Get support from a healthcare professional or dietitian if needed
If You're Obese (BMI ≥ 30):
- Consult with a healthcare provider before starting any weight loss program
- Set realistic, achievable goals for weight loss and health improvements
- Focus on sustainable lifestyle changes rather than quick fixes
- Consider working with a dietitian for personalized nutrition advice
- Find physical activities you enjoy and can do regularly
General Fitness and Health Guidance
Regardless of your BMI, these general health tips can benefit everyone:
- Stay active: Aim for at least 150 minutes of moderate exercise or 75 minutes of vigorous exercise weekly
- Eat a balanced diet: Focus on whole foods, plenty of vegetables, lean proteins, and healthy fats
- Stay hydrated: Drink water throughout the day
- Get enough sleep: 7-9 hours per night for adults
- Manage stress: Practice relaxation techniques like meditation or deep breathing
- Limit processed foods: Reduce intake of added sugars and refined carbohydrates
- Build muscle: Include strength training 2-3 times per week
- Regular check-ups: Visit your healthcare provider for preventive care
Remember that health is about more than just weight. Focus on building healthy habits that you can maintain long-term.