BMI Calculator
Calculate your Body Mass Index (BMI) to assess if your weight is in a healthy range.
BMI Categories
BMI is a general indicator and doesn't account for muscle mass, bone density, or body composition. Consult a healthcare professional for a complete health assessment.
BMI Calculator Free — The Complete Guide
Use our BMI calculator free to instantly determine your body mass index. This body mass index calculator helps you understand whether your weight is healthy for your height — no signup required.
What is BMI and How to Calculate It?
BMI (Body Mass Index) uses height and weight to calculate BMI = weight(kg) / height(m)². Our calculator supports both metric and imperial units. Simply enter your measurements to check BMI online instantly.
Understanding BMI Categories
Our weight status calculator categorizes your BMI: Underweight (below 18.5), Normal weight (18.5-24.9), Overweight (25-29.9), and Obese (30+). These ranges help identify potential health risks.
Healthy Weight Checker
Beyond just a number, our healthy weight checker shows you the ideal weight range for your height. This helps you set realistic fitness goals and understand your target weight range.
Tips for Accurate BMI Calculation
- Measure your height without shoes for accuracy
- Weigh yourself in the morning before eating
- BMI does not account for muscle mass or body composition
- Consult a healthcare provider for personalized advice