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Calculators · D-Fit

BMI Calculator

Discover your Body Mass Index and understand your health

Your details
Weight · Height
lbs
ft
in
BMI Ranges
Underweight< 18.5
Normal weight18.5 – 24.9
Overweight25.0 – 29.9
Obesity≥ 30.0
Important: BMI does not differentiate between muscle mass and fat. Athletes and people with higher muscle mass may have elevated BMI without excess fat.
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Body Mass Index and its importance for health

Understanding BMI

What is BMI?

Body Mass Index (BMI) is an international measure used to calculate whether a person is at ideal weight. It's a simple screening tool that indicates if you are underweight, normal weight, overweight, or obese.

BMI Formula
BMI = Weight (kg) ÷ Height² (m²)
WHO

BMI Classification

Underweight
May indicate malnutrition
BMI < 18.5
Normal Weight
Ideal healthy range
18.5 - 24.9
Overweight
Moderate health risk
25 - 29.9
Obesity Class I
Increased risk
30 - 34.9
Obesity Class II
Severe health risk
35 - 39.9
Obesity Class III
Very severe risk
BMI ≥ 40

Important Points

Muscle Mass

BMI doesn't differentiate between muscle mass and fat. Athletes may have high BMI while being healthy.

Age Matters

Children, adolescents, and elderly have different evaluation parameters.

Initial Indicator

BMI is a screening tool. Consult a professional for complete evaluation.

Other Factors

Waist circumference and body fat percentage are important complementary metrics.

Tips for Healthy Weight

Balanced Nutrition

Prioritize natural foods and avoid ultra-processed ones

Adequate Hydration

Drink at least 2 liters of water per day

Regular Exercise

Practice physical activity at least 3 times per week

Quality Sleep

Sleep 7 to 9 hours per night

Continue Your Health Journey

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