BMI Calculator
Use our free BMI calculator to calculate your Body Mass Index instantly. This BMI calculator helps you determine if you're underweight, normal weight, overweight, or obese - completely free with no registration required.
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About BMI Calculator
Our free online BMI calculator helps you calculate your Body Mass Index instantly. Whether you're tracking your health, planning a fitness program, or monitoring your weight, this BMI calculator makes it easy. For other calculation tools, check out our age calculator and date difference calculator.
The BMI calculator uses the standard BMI formula (weight in kg divided by height in meters squared) to determine your Body Mass Index. It categorizes your result as Underweight, Normal weight, Overweight, or Obese. Explore more number and date tools for all your calculation needs.
Perfect for health-conscious individuals, fitness enthusiasts, and anyone who wants to monitor their body mass index. The BMI calculator is completely free, requires no registration, and provides instant results. It supports both metric (kg, cm) and imperial (lb, ft) units for maximum convenience. If you need to convert units, try our unit converter.
Key Features:
- Calculate BMI - Calculate your Body Mass Index instantly
- BMI categories - See if you're underweight, normal, overweight, or obese
- Metric and imperial - Support for both unit systems
- Accurate calculation - Uses standard BMI formula
- Instant results - Get your BMI immediately
- No registration required - Use instantly, completely free
Calculate Your BMI
BMI Categories:
How to Use BMI Calculator
- Select your unit system (Metric or Imperial)
- Enter your weight (in kg for metric, or lb for imperial)
- Enter your height (in cm for metric, or ft for imperial)
- Click "Calculate BMI" to get your BMI value
- Review your BMI category (Underweight, Normal, Overweight, or Obese)
Frequently Asked Questions
Is the BMI calculator free to use?
Yes, our BMI calculator is completely free to use. No registration or payment required.
What is BMI?
BMI (Body Mass Index) is a measure of body fat based on height and weight. It's used to categorize weight status.
What are the BMI categories?
BMI categories are: Underweight (<18.5), Normal weight (18.5-24.9), Overweight (25-29.9), and Obese (≥30).
Does it support both metric and imperial units?
Yes, you can use either metric (kg, cm) or imperial (lb, ft) units for your calculations.