BMI Calculator — Calculate Body Mass Index for Adults & Kids
Calculate Body Mass Index (BMI) using metric or imperial units with WHO bands.
Interactive Tool Workspace
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Processing Limits & Device Capabilities
Processed client-side in browser memory. Recommended maximum file size is 50 MB on desktop and 15 MB on mobile.
Zero Cloud Transmission: Zero bytes are uploaded to any server. File handling is constrained only by available device RAM.
How to Use BMI Calculator
- Select your measurement system: Metric (cm, kg) or Imperial (feet/inches, pounds).
- Enter height and weight.
- View your calculated BMI score and standard WHO category indicator.
About BMI Calculator
BMI Calculator measures weight-to-height proportion using World Health Organization epidemiological baseline categories. Notice: BMI is a screening ratio, not a medical diagnosis.
Frequently Asked Questions
Is BMI an exact measure of body fat?
No. BMI is a general ratio that does not distinguish muscle mass from fat mass. Consult a physician for personal medical evaluation.