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About BMI Calculator

A practical free online BMI calculator that computes your Body Mass Index (BMI) from height and weight, with scientific classification (underweight/normal/overweight/obese). Supports both metric (cm/kg) and imperial (ft/lb) units. All calculations run locally in your browser.

Metric Units
cm/kg support
Imperial Units
ft/lb support
Visual Scale
Color-coded BMI
Local Calculation
No data upload
Calculate BMI based on height and weight
Scientific BMI classification (underweight/normal/overweight/obese)
Visual color scale for health risk assessment
All calculations run locally in your browser

How to Use

1
Select Units
Choose between Metric (cm/kg) or Imperial (ft/lb).
2
Enter Height
Input your height in the selected unit.
3
Enter Weight
Input your weight in the selected unit.
4
View Result
Click Calculate to see your BMI and category.

Use Cases

Health Assessment
Regularly check your BMI to monitor health status.
Fitness Goals
Track progress when working on fitness goals.
Weight Management
Plan weight management strategies effectively.
Medical Reference
Use as a reference for medical consultations.

BMI Knowledge

BMI Standards
Underweight: <18.5, Normal: 18.5-24, Overweight: 24-28, Obese: >28. These are general guidelines for adults.
Healthy Weight
Maintaining a healthy BMI reduces risks of heart disease, diabetes, and other chronic conditions.
BMI Limitations
BMI doesn't account for muscle mass. Athletes may have high BMI due to muscle, not fat.

Calculate Your BMI Now

From health assessment to fitness tracking, one-stop solution for your BMI calculation needs.

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