Calculator Tips8 min read
How to Calculate Your BMI: A Complete Guide for 2026
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ToolsACE Team
What is 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 metres squared.
How to Calculate Your BMI
- Measure your weight in kilograms
- Measure your height in meters
- Square your height (multiply it by itself)
- Divide your weight by your squared height
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 |
Why Use Our BMI Calculator?
Our BMI Calculator does all the math instantly and provides personalized insights based on your age, gender, and activity level.
Limitations of BMI
While BMI is useful as a screening tool, it has limitations:
- Doesn't distinguish between muscle and fat
- May not be accurate for athletes
- Doesn't account for age or gender differences
The Bottom Line
BMI is a great starting point, but should be used alongside other health metrics for a complete picture of your health.
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Meet the Author
The ToolsACE editorial team provides expert insights into digital tools, productivity hacks, and technical guides. Our mission is to bridge the gap between complex technology and professional efficiency.
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