BMI Calculator
Calculate your Body Mass Index and understand your weight category with our professional tool
Healthy BMI Range
18.5 - 24.9
Weight Status
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Ideal Weight Range
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Standard BMI Chart with Gender-Specific Standards
Compare your BMI result with standard categories
| BMI Category | BMI Range | Male Health Risk | Female Health Risk |
|---|---|---|---|
| Severely Underweight | Below 16.0 | Very High | Very High |
| Underweight | 16.0 - 18.4 | High | Moderate |
| Normal Weight | 18.5 - 24.9 | Low | Low |
| Overweight | 25.0 - 29.9 | Moderate | High |
| Obesity Class I | 30.0 - 34.9 | High | Very High |
| Obesity Class II | 35.0 - 39.9 | Very High | Severe |
| Obesity Class III | 40.0 and above | Extremely High | Extremely High |
Gender-Specific BMI Considerations
While BMI calculations are the same for both genders, research shows that:
- Women typically have higher body fat percentages than men at the same BMI
- Men tend to carry more weight around the abdomen, increasing health risks
- BMI should be considered alongside waist circumference for a complete health assessment
User Guide
Step 1: Enter Your Measurements
Input your height and weight using the appropriate units. You can also optionally provide your age and gender for more detailed analysis.
Step 2: Calculate BMI
Click the "Calculate BMI" button to compute your Body Mass Index. The result will appear immediately below with your BMI category.
Step 3: Review Results
Examine your BMI value, category, and additional health information. The visual indicator on the scale shows your position on the BMI spectrum.
Step 4: Download or Reset
Download your results for future reference or reset the calculator to perform another calculation.
Understanding BMI Categories
Underweight: BMI less than 18.5
Normal weight: BMI 18.5–24.9
Overweight: BMI 25–29.9
Obesity: BMI 30 or greater
Understanding Body Mass Index (BMI)
Body Mass Index (BMI) is a widely used screening tool that measures body fat based on height and weight. It provides a reliable indicator of body fatness for most people and is used to screen for weight categories that may lead to health problems.
Why BMI Matters for Your Health
Maintaining a healthy BMI is important for overall health and can help prevent various health conditions. Research shows that both underweight and overweight individuals face increased health risks:
- Underweight individuals may face nutritional deficiencies and osteoporosis
- Normal weight individuals typically have the lowest risk for weight-related health issues
- Overweight and obese individuals have increased risk of heart disease, diabetes, and certain cancers
Gender Differences in BMI Interpretation
While the BMI formula is the same for both men and women, there are important differences in how BMI relates to health risks:
- Women naturally have more essential body fat than men (about 10-13% compared to 2-5%)
- Men tend to accumulate fat in the abdominal area, which carries higher health risks
- For the same BMI, women typically have a lower health risk than men
Tips for Maintaining a Healthy BMI
If your BMI falls outside the normal range, consider these evidence-based strategies:
- Follow a balanced diet rich in fruits, vegetables, and whole grains
- Engage in regular physical activity (at least 150 minutes per week)
- Practice portion control and mindful eating
- Get adequate sleep (7-9 hours per night)
- Manage stress through relaxation techniques
Remember that small, sustainable changes often lead to better long-term results than drastic diets or exercise regimens.