Free Online BMI Calculator
Easily calculate your Body Mass Index (BMI) with our free online BMI calculator. Just enter your age, gender, weight, and height to instantly find out whether you are underweight, normal, overweight, or obese.
What is BMI (Body Mass Index)?
Body Mass Index (BMI) is a simple method used to measure body fat based on your weight and height. It helps you understand whether your weight falls within a healthy range for your height.
BMI Categories
| BMI Range | Category |
|---|---|
| Below 18.5 | Underweight |
| 18.5 – 24.9 | Normal weight |
| 25 – 29.9 | Overweight |
| 30 and above | Obese |
Why Use Our BMI Calculator?
✅ Easy to use and mobile-friendly
✅ Instant results with BMI category
✅ Works for men and women
✅ Completely free online tool
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Frequently Asked Questions(FAQs)
BMI is a reliable method for estimating body fat but does not account for muscle mass.
No, the BMI formula is the same for both men and women.
BMI values for children require age- and sex-specific percentiles, so this tool is best suited for adults
Consult a healthcare professional for diet, exercise, and lifestyle guidance.
No, BMI is just one indicator. Waist circumference, body fat percentage, and overall fitness also matter.