How to Use BMI Calculator
Learn how to calculate your BMI and interpret the results.
What is BMI?
BMI stands for Body Mass Index, a simple index of weight-for-height that is commonly used to classify underweight, overweight, and obesity in adults. It is calculated as weight divided by the square of height (kg/m²).
How to Calculate BMI
Using our BMI Calculator is easy:
Step 1: Enter Your Weight
Input your weight in either kilograms (kg) or pounds (lbs). For the most accurate results, use a recent measurement from a reliable scale.
Step 2: Enter Your Height
Input your height in either centimeters (cm) or feet and inches. Make sure to stand straight when measuring your height.
Step 3: Calculate
Click the "Calculate" button to get your BMI result instantly.
BMI Categories
The BMI result will fall into one of these categories:
- Underweight: BMI < 18.5
- Normal weight: 18.5 ≤ BMI < 25
- Overweight: 25 ≤ BMI < 30
- Obesity: BMI ≥ 30
Understanding Your Results
Your BMI result provides a general indication of your weight status. However, it's important to remember that BMI doesn't take into account factors like muscle mass, bone density, and body composition.
If you have questions about your BMI or overall health, consult with a healthcare professional.
Tips for Maintaining a Healthy BMI
- Eat a balanced diet - Include plenty of fruits, vegetables, whole grains, and lean proteins.
- Stay physically active - Aim for at least 150 minutes of moderate exercise per week.
- Get enough sleep - Aim for 7-9 hours of sleep each night.
- Manage stress - Practice relaxation techniques like meditation or yoga.