Body Mass Index Calculator
Quickly calculate your BMI with this free online tool, ideal for health monitoring, fitness, and wellness assessments.

Check It Yourself
About This Tool
This Body Mass Index (BMI) calculator provides a fast and reliable way to assess your body health based on height and weight inputs. Designed for individuals, healthcare providers, and fitness professionals, it helps determine if your body weight falls within a healthy range.
The tool accepts various measurement units for flexibility—metric (kg, cm) and imperial (lb, in)—and performs real-time calculations after user input. It displays the BMI score clearly, along with an interpretive category (Underweight, Normal, Overweight, Obese), supported by color-coded visual cues for easy understanding.
Key features include error validation, unit conversion, and optional history tracking. The interface is modern, responsive, and accessible, ensuring usability across devices for users of all abilities. Whether used at home, in clinics, or gyms, it offers a simple and effective way to monitor health trends and guide lifestyle decisions.
How to Use
1. Enter your weight into the input box.
2. Select your preferred measurement unit (kg or lb).
3. Enter your height in centimeters or inches.
4. Choose the corresponding unit option.
5. Click the 'Calculate' button to see your BMI and health category in seconds.

FAQs/Additional Resources
Find Quick Answers
How is BMI calculated?
What do BMI numbers mean?
Can I use different units?
Is this tool medically certified?
Can I track my BMI over time?
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