Your BMI Value
Obese category. Consult healthcare provider for health recommendations.
What Does a BMI of 30 Mean?
A Body Mass Index (BMI) of 30 places you in the Obese (Class I) category according to the standard medical classification system. BMI is calculated by dividing your weight in kilograms by your height in meters squared.
Obesity significantly increases health risks including heart disease, stroke, type 2 diabetes, certain cancers, and joint problems. It's recommended to work with healthcare professionals to develop a comprehensive weight management plan that includes nutrition, physical activity, and possibly medical interventions.
BMI Categories (Standard Classification)
See where a BMI of 30 falls on the standard BMI scale:
Underweight
May need nutritional support
Normal Weight
Healthy weight range
Overweight
Increased health risks
Obese Class I
High health risks
Obese Class II
Very high health risks
Obese Class III (Severe)
Extremely high health risks
What is BMI?
Body Mass Index (BMI) is a numerical value calculated from your weight and height. It was developed by Belgian mathematician Adolphe Quetelet in the 1830s and remains one of the most widely used screening tools for weight categories.
Healthcare professionals use BMI as a quick assessment tool, but it should be considered alongside other health indicators such as waist circumference, body composition, blood pressure, and cholesterol levels.
BMI Formula
BMI = Weight (kg) ÷ Height (m)²
Example: A person who is 1.75m tall and weighs 70kg would have a BMI of: 70 ÷ (1.75 × 1.75) = 70 ÷ 3.0625 = 22.86
Limitations of BMI
While BMI is a useful screening tool, it has important limitations to consider:
Doesn't Measure Fat Directly
BMI uses weight, which includes muscle, bone, fat, and water. It cannot distinguish between fat mass and lean mass.
Athletes May Score High
Muscular athletes often have high BMIs despite having low body fat percentages and excellent health.
Age & Sex Variations
BMI doesn't account for body composition changes with aging or differences between males and females.
Ethnic Differences
Some ethnic groups may have different health risks at the same BMI levels. Different populations may have adjusted cutoff points.
Explore Other BMI Values
Important Medical Disclaimer
- • BMI is a screening tool and does not diagnose health conditions
- • Individual health depends on many factors beyond BMI
- • This information is for educational purposes only
- • Always consult healthcare professionals for personalized advice
- • If you have health concerns, please see a qualified medical provider
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