BMI Calculator (kg/meter)
Expert Guide to BMI Calculation
Introduction & Importance
BMI, or Body Mass Index, is a measure of your body weight in relation to your height. It’s a simple way to check whether you’re a healthy weight for your height. A BMI of 18.5-24.9 is considered a healthy weight.
How to Use This Calculator
- Enter your weight in kilograms.
- Enter your height in meters.
- Click ‘Calculate’.
Formula & Methodology
BMI is calculated as weight(kg) / (height(m))². For example, if you weigh 70kg and are 1.75m tall, your BMI would be 70 / (1.75 * 1.75) = 22.86.
Real-World Examples
| Weight (kg) | Height (m) | BMI |
|---|---|---|
| 70 | 1.75 | 22.86 |
| 60 | 1.65 | 21.94 |
| 80 | 1.80 | 24.69 |
Data & Statistics
| BMI | Category |
|---|---|
| <18.5 | Underweight |
| 18.5-24.9 | Healthy weight |
| 25-29.9 | Overweight |
| 30+ | Obese |
Expert Tips
- Regular exercise and a balanced diet can help maintain a healthy BMI.
- Muscle weighs more than fat, so BMI isn’t perfect. Athletes may have a high BMI despite being healthy.
Interactive FAQ
What is a healthy BMI?
A BMI of 18.5-24.9 is considered healthy.
Can I use this calculator if I’m under 18?
No, this calculator is for adults only.
For more information, see CDC’s BMI calculator and NHS’s BMI calculator.