Answer: BMI 24.2 | BMI Calculator - Body Mass Index Calculator with Health Analysis

Weight kg

Height cm

BMI Results

BMI Score

Ideal Weight Range

BMI Analysis

Underweight
<18.5 Normal
18.5-24.9 Overweight
25-29.9 Obese
30+

Complete calculation to see category

Health Recommendations

Complete the calculation to receive personalized health recommendations.

⚠️ Medical Disclaimer: This calculator provides general health information based on standard formulas. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult with qualified healthcare providers for personalized health guidance.

Understanding Body Mass Index (BMI)

BMI (Body Mass Index) is a simple weight-for-height index that classifies adults into different weight categories, providing a quick screening tool for potential weight-related health issues.

What is Body Mass Index (BMI)?

BMI is calculated by dividing a person's weight in kilograms by the square of their height in meters. The resulting number places individuals into one of four main categories:

Underweight: BMI less than 18.5

Normal weight: BMI 18.5 to 24.9

Overweight: BMI 25 to 29.9

Obesity: BMI 30 or greater

Why BMI Matters for Health

Understanding your BMI helps you:

Screen for potential weight-related health problems

Set realistic weight management goals

Monitor overall health trends over time

Make informed decisions about diet and exercise

Limitations of BMI

While BMI is a useful screening tool, it has limitations:

Doesn't distinguish between muscle and fat mass

May not be accurate for athletes with high muscle mass

Doesn't account for fat distribution patterns

May vary based on age, sex, and ethnicity

Should be used alongside other health assessments

Frequently Asked Questions

What is BMI and how is it calculated?

BMI (Body Mass Index) is a measure of body fat based on height and weight. It's calculated by dividing weight in kilograms by height in meters squared. For imperial units: (weight in pounds / (height in inches)^2) x 703.

What do the different BMI categories mean?

BMI categories: Underweight (BMI < 18.5), Normal weight (BMI 18.5–24.9), Overweight (BMI 25–29.9), and Obesity (BMI 30 or greater). These categories are used to screen for weight levels that may lead to health problems.

What is a healthy BMI range?

A healthy BMI for adults is typically between 18.5 and 24.9. This range is associated with the lowest risk of health problems related to weight.

How accurate is BMI as a health indicator?

BMI is a useful screening tool but has limitations. It doesn't directly measure body fat and may not account for muscle mass, bone density, overall body composition, and racial/sex differences. It's best used as a general indicator alongside other health assessments.

How often should I calculate my BMI?

It's reasonable to recalculate every 3-6 months, or after significant weight changes (±5 kg). However, focus more on trends over time rather than single measurements. Regular health checkups with professionals provide the most accurate assessment.

Can BMI be different for athletes?

Yes, athletes often have higher BMI due to increased muscle mass, which is denser than fat. They might be classified as overweight despite having healthy body fat percentages. Additional measurements like body fat percentage provide better insight for athletes.