BMI Calculator
Calculate your Body Mass Index with precision
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Ages: 2 - 120
BMI Weight Classification
WHAT IS YOUR BMI?
Your current BMI is marked on the scale above
Underweight
BMI < 18.5
May indicate malnutrition, eating disorders, or other health problems.
Up to 59.9 kg
Normal Weight
BMI 18.5 - 24.9
Healthy weight range for your height. Associated with lower health risks.
59.9 - 81 kg
Overweight
BMI 25 - 29.9
May increase risk of health problems like heart disease and diabetes.
81 - 97.2 kg
Obese
BMI ≥ 30
Significantly increases risk of serious health conditions and mortality.
97.2+ kg
Weight Ranges for Your Height (180 cm)
| Weight Category | BMI Range | Weight Range (kg) | Weight Range (lbs) |
|---|---|---|---|
| Underweight | < 18.5 | < 59.9 kg | < 132.0 lbs |
| Normal Weight | 18.5 - 24.9 | 59.9 - 81.0 kg | 132.0 - 178.6 lbs |
| Overweight | 25 - 29.9 | 81.0 - 97.2 kg | 178.6 - 214.3 lbs |
| Obese | ≥ 30 | ≥ 97.2 kg | ≥ 214.3 lbs |
Your BMI Result
BMI Categories
About BMI
Body Mass Index (BMI) is a measure of body fat based on your weight in relation to your height. It applies to most adult men and women aged 20 and over.
BMI is not used for muscle builders, long distance athletes, pregnant women, the elderly or young children.
Key Enhancements Made:
Clear BMI Classification Chart:
Added a visual BMI scale with color-coded sections (Underweight, Normal, Overweight, Obese)
Interactive marker shows exactly where the user’s BMI falls on the scale
Clear labeling of BMI ranges for each category
Weight Category Cards:
Each category has its own card with color coding and detailed information
Shows weight ranges for the user’s specific height in each category
Includes health implications for each category
Weight Ranges Table:
Comprehensive table showing weight ranges in both kg and lbs for each BMI category
Specifically calculated for the user’s current height
Enhanced Visual Indicators:
BMI marker changes color based on the user’s category
Pie chart highlights the user’s current BMI category with a thicker border
All weight ranges update dynamically as the user changes their height
Clear “WHAT IS YOUR BMI?” Section:
Prominent heading that draws attention to the user’s position on the BMI scale
Easy-to-understand visualization that makes weight classification obvious
The enhanced calculator now provides a much clearer understanding of weight categories and where the user falls within them. The visual scale makes it immediately apparent whether someone is underweight, normal weight, overweight, or obese, and the detailed weight ranges provide concrete numbers for each category based on the user’s specific height.