BMI Calculator – Calculate Your Body Mass Index Free
Enter your height and weight to instantly calculate your BMI, find out your health category (Underweight, Normal, Overweight, Obese), and get your ideal weight range.
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About BMI Calculator
Enter your height and weight to instantly calculate your BMI, find out your health category (Underweight, Normal, Overweight, Obese), and get your ideal weight range.
Frequently Asked Questions
What is BMI?
BMI (Body Mass Index) is a number calculated from height and weight that estimates body fat. BMI = weight(kg) ÷ height(m)². Standard categories: <18.5 Underweight, 18.5–24.9 Normal, 25–29.9 Overweight, ≥30 Obese.
Is BMI accurate for Indians?
General BMI cutoffs were developed for Western populations. For South Asians, health risks can appear at lower BMI. Many doctors use a lower cutoff of 23 for "Overweight" for Indian adults.
What is the ideal BMI for adults?
A BMI of 18.5–24.9 is considered healthy for most adults. For South Asians, 18.5–22.9 is often recommended.
Is this free?
Yes, 100% free. No signup, works in your browser.