Healthy Body Weight Calculator

Use this calculator to determine your Body Mass Index (BMI) and find out if your current weight falls within a healthy range based on your height. BMI is a widely used indicator to assess whether you are at a healthy weight for your height.

Your Weight (kg): Your Height (cm):

Understanding Your Healthy Weight

Maintaining a healthy body weight is crucial for overall well-being and reducing the risk of various health problems. The Body Mass Index (BMI) is a simple and widely used tool to categorize an individual's weight relative to their height. While not a perfect measure of body fat or health, it provides a good general indicator for most adults.

What is BMI?

BMI is calculated using a simple formula: your weight in kilograms divided by the square of your height in meters (BMI = kg/m²). The resulting number helps classify your weight into categories:

Underweight: BMI less than 18.5
Normal weight: BMI between 18.5 and 24.9
Overweight: BMI between 25.0 and 29.9
Obese: BMI 30.0 or greater

Why is a Healthy Weight Important?

Being within a healthy weight range can significantly lower your risk of developing chronic diseases such as heart disease, type 2 diabetes, high blood blood pressure, certain cancers, and sleep apnea. It can also improve your energy levels, mood, and overall quality of life.

Limitations of BMI

It's important to remember that BMI is a screening tool and not a diagnostic one. It doesn't account for body composition (muscle vs. fat), age, sex, or ethnicity. For example, highly muscular individuals (like athletes) might have a high BMI but very little body fat, while older adults might have a normal BMI but a higher percentage of body fat due to muscle loss. Therefore, it should be used in conjunction with other health assessments and discussions with a healthcare professional.

How to Use This Calculator

Simply enter your current weight in kilograms and your height in centimeters into the fields above. Click "Calculate Healthy Weight" to see your BMI, its category, and the healthy weight range recommended for your height. This range is based on the "normal weight" BMI category (18.5 to 24.9).

Examples:

Example 1: A person weighing 70 kg with a height of 175 cm.
- Height in meters: 1.75 m
- BMI = 70 / (1.75 * 1.75) = 70 / 3.0625 = 22.86
- Category: Normal weight
- Healthy Weight Range (for 175 cm): 56.5 kg – 76.3 kg
- Conclusion: This person's weight is within the healthy range.
Example 2: A person weighing 95 kg with a height of 180 cm.
- Height in meters: 1.80 m
- BMI = 95 / (1.80 * 1.80) = 95 / 3.24 = 29.32
- Category: Overweight
- Healthy Weight Range (for 180 cm): 60.0 kg – 80.7 kg
- Conclusion: This person's weight is above the healthy range.

Always consult with a doctor or a registered dietitian for personalized advice regarding your weight and health goals.

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Your Healthy Weight Analysis:

"; output += "Your BMI: " + bmi.toFixed(2) + ""; output += "BMI Category: " + bmiCategory + ""; output += "Healthy Weight Range for your height: " + minHealthyWeightKg.toFixed(1) + " kg – " + maxHealthyWeightKg.toFixed(1) + " kg"; output += "Your current weight of " + weightKg.toFixed(1) + " kg is " + weightStatus + "."; resultDiv.innerHTML = output; }