Maintaining a healthy weight is an essential part of overall wellness. Our BMI Calculator helps you quickly understand whether your weight falls within a healthy range for your height. Simply enter your height and weight, choose your preferred units (cm or ft/in, kg or lbs), and get instant results along with a color-coded BMI graph and personalized insights.

🔢 What Is BMI?

BMI (Body Mass Index) is a simple calculation used worldwide to estimate body fat and categorize weight status.
Although it does not measure body fat directly, BMI is a reliable screening tool for adults.

BMI Formula:

BMI = Weight (kg) / Height (m)²

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🧮 Inputs Used in This BMI Calculator

Our calculator uses only height and weight, which are the only required values for BMI calculation.

✔️ Height Input Options

You can enter your height using:

• Centimeters (cm)
  Example: 163 cm
  OR
• Feet + Inches
  Example: 5 ft 4 in

✔️ Weight Input Options

You can enter your weight using:

• Kilograms (kg)
  Example: 55 kg
  OR
• Pounds (lbs)
  Example: 121 lbs

➕ Optional Inputs

These DO NOT affect BMI calculation but offer helpful notes:

• Age
• Gender

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📊 Outputs Provided by the BMI Calculator

After clicking Calculate BMI, you will receive:

1️⃣ Your BMI Value

Example: 20.7

2️⃣ BMI Category (with color badge)

Your BMI result is classified as:

• Underweight
• Normal Weight
• Overweight
• Obesity Class I
• Obesity Class II
• Obesity Class III

3️⃣ BMI Graph Indicator

A colorful bar visually shows where your BMI falls:

• Green = Healthy
• Yellow = Overweight
• Orange = Obese
• Red = Severely Obese

4️⃣ Healthy Weight Range

Based on your height, the calculator shows the minimum and maximum healthy weight you should aim for.

Example:
50.2 kg – 67.5 kg

5️⃣ Personalized Interpretation

You will also receive a clear explanation, such as:

• “Your BMI is within the normal range.”
• “Your BMI is high. Consider reviewing your diet and activity levels.”

6️⃣ Age-Based Note (Optional)

If age is entered, an additional note is displayed:

• Under 18 → BMI charts differ for teens.
• Over 65 → Slightly higher BMI may be healthy.

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📝 How to Use the BMI Calculator

1. Select height unit: cm or ft/in
2. Enter your height
3. Select weight unit: kg or lbs
4. Enter your weight
5. (Optional) Enter age & gender
6. Click Calculate BMI
7. View your BMI value, category, graph, and healthy weight range

It’s fast, accurate, and works on all devices.

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🧠 BMI Categories Explained

BMI Range	Category	Meaning
Below 18.5	Underweight	You may need to gain weight
18.5 – 24.9	Normal Weight	Healthy range
25 – 29.9	Overweight	Higher body weight for height
30 – 34.9	Obesity Class I	Moderately obese
35 – 39.9	Obesity Class II	Severely obese
40+	Obesity Class III	Extremely obese

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❓ Frequently Asked Questions (FAQs)

1. What is a healthy BMI?

A BMI between 18.5 and 24.9 is considered healthy for most adults.

2. Does age affect BMI?

Age does not change BMI, but older adults may have different health ranges. Our calculator provides notes if age is entered.

3. Does gender affect BMI?

No. BMI uses only height and weight.

4. Is BMI accurate?

BMI is a good screening tool, but it may not reflect muscle mass. Athletes may have high BMI despite low body fat.

5. Can children use this BMI Calculator?

BMI interpretation for children is different. If age is below 18, the tool displays a note recommending pediatric charts.

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🧡 Conclusion

Our BMI Calculator gives you a fast, easy way to understand your body weight category and track your fitness goals. Use the tool regularly along with a balanced diet and active lifestyle to stay on top of your health.

💡 Remember: BMI is a guideline, not a diagnosis. Consult a healthcare professional for a complete evaluation.