Body Mass Index Calculator
Calculate your BMI to understand your weight status and get personalized health recommendations.
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BMI Calculator
Your BMI History
Quick Health Tips
- Drink at least 8 glasses of water daily
- Aim for 30 minutes of exercise most days
- Include fruits and vegetables in every meal
- Get 7-9 hours of sleep each night
- Limit processed foods and added sugars
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How BMI Calculator Works
1. Enter Your Details
Provide your age, gender, height, and weight to get started with the BMI calculation.
2. Calculate BMI
Our calculator processes your data using the standard BMI formula to determine your index.
3. Get Results
Receive your BMI value along with category, ideal weight range, and health recommendations.
BMI Formula
BMI is calculated using the following formula:
For example, a person who weighs 70kg and is 1.75m tall would have a BMI of 22.9 (70 ÷ (1.75 × 1.75)).
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Understanding BMI Limitations
While BMI is a useful screening tool, it has some limitations:
- Muscle mass: BMI doesn't distinguish between muscle and fat. Athletes with high muscle mass may have a high BMI but low body fat.
- Age differences: BMI may underestimate body fat in older adults who have lost muscle mass.
- Ethnic variations: Some ethnic groups may have different health risks at the same BMI levels.
- Body fat distribution: BMI doesn't account for where fat is located (e.g., abdominal fat is more risky).
- Pregnancy: BMI calculations aren't appropriate for pregnant women.
For a more complete health assessment, consider other measurements like waist circumference, body fat percentage, and consultation with a healthcare provider.