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The Body Mass Index (BMI) calculator is a simple yet effective tool that helps you understand if your weight is in a healthy range based on your height and weight.
BMI, or Body Mass Index, is a simple and widely used method for assessing an individual's body weight in relation to their height. It helps determine whether a person is underweight, normal weight, overweight, or obese. Although it doesn't directly measure body fat, BMI is an effective screening tool to categorise individuals based on their general health and potential risk for related conditions.
Understanding your Body Mass Index (BMI) is the first step towards better health. Once you calculate your BMI using the tool on this page, it is important to know what your number means.
Here is a simple breakdown of the BMI categories used worldwide:
You may need to gain some healthy weight for better energy and immunity.
Great job! You are within the healthy range. Maintain a balanced diet and exercise
It is a good time to focus on fitness and nutrition.
Higher health risks. Small lifestyle changes can make a big impact.
Increased risk of chronic diseases, talk to a doctor or a nutrition expert.
Serious health concerns. A professional plan can help you take control.
Using the BMI calculator is quick, easy, and only takes a few seconds. All you need is your height and weight to get started, and you will know how to calculate the BMI.
Input your height in feet and inches and weight in Kilograms.
The tool will instantly compute your Body Mass Index.
Your BMI score will appear along with a category (e.g., Underweight, Normal, Overweight, or Obese).
Tip: For the most accurate results, measure your height and weight without shoes and heavy clothing.
BMI, or Body Mass Index, is a simple method used to assess an individual's body weight in relation to their height. The formula for calculating BMI helps categorise individuals into different weight ranges, aiding in health assessments. BMI is calculated using the following standard formula:
Thus, this score places you in the "normal weight" category.
Whether you are trying to stay healthy or planning a fitness journey, this Body Mass Index chart for adults aged 18 and above helps you understand where you stand. It is a quick reference to see how your height and weight combine to form your Body Mass Index. The Merck Manual Professional Table lists these weight ranges for the given height intervals:
| Height | Underweight | Normal Weight | Overweight | Obese |
|---|---|---|---|---|
| 150 cm | < 41 kg | 41 – 56 kg | 57 – 67 kg | > 67 kg |
| 155 cm | < 44 kg | 44 – 60 kg | 61 – 72 kg | > 72 kg |
| 160 cm | < 47 kg | 47 – 64 kg | 65 – 77 kg | > 77 kg |
| 165 cm | < 50 kg | 50 – 68 kg | 69 – 81 kg | > 81 kg |
| 170 cm | < 53 kg | 53 – 72 kg | 73 – 86 kg | > 86 kg |




Being underweight might not seem harmful at first, but it can lead to several health issues, especially if it is due to poor nutrition or an underlying condition. Just like being overweight, being underweight can affect your body in serious ways.
Carrying extra body weight can do more than affect how you look; it can have a real impact on your health. Being overweight increases the risk of developing several serious medical conditions that can affect your quality of life over time.
Pro Tip: Along with lifestyle changes, you might also consider exploring Health Insurance for BMI to better manage the potential financial impact of these health risks.
Body Mass Index (BMI) is a crucial indicator of your overall health because it helps identify whether your weight falls within a healthy range. It provides a quick assessment of body fat based on your height and weight, helping to flag potential health risks such as obesity, underweight conditions, or malnutrition.
Here's why BMI matters:A high or low BMI can signal increased risks for conditions like heart disease, diabetes, high blood pressure, and certain cancers.
Knowing your BMI allows you to set realistic health and fitness goals.
It serves as a benchmark to track changes in your weight status over time.
Doctors and health professionals widely use BMI as a universal measure of body weight categories.
While both BMI and body fat percentage are used to assess body composition, they serve different purposes and vary in accuracy. Understanding the distinction can help you choose the right tool for your health goals.
| Feature | BMI (Body Mass Index) | Body Fat Percentage |
|---|---|---|
| Definition | Ratio of weight to height (kg/m²) | Percentage of total body weight that is fat |
| What It Measures | General weight status | Actual body fat composition |
| Ease of Use | Very easy – needs only height and weight | Requires tools or devices for accurate measurement |
| Accuracy | Less accurate for muscular or athletic individuals | More accurate for assessing health and fitness |
| Considers Muscle Mass | No – may misclassify muscle as fat | Yes – distinguishes fat from lean mass |
| Fat Distribution Insight | No – doesn't show where fat is located | Yes – can be combined with tools to assess fat location |
While BMI is a helpful starting point, it may not give the full picture. Here are situations where you should consider seeing a doctor:
Unexplained weight gain or loss could indicate an underlying condition.
These ranges may signal health risks that need medical attention.
If you have diabetes, heart disease, or high blood pressure, your weight can affect how these are managed.
Conditions like sleep apnea are often linked to a higher BMI.
Weight can affect hormone balance, especially in women.
If your weight affects your confidence or eating habits, professional support can make a big difference.
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Disclaimer: Refer to our BMI Calculator page to check body mass index online.
The above information is for reference purposes only. Kindly consult your general physician for verified medical advice. The health insurance benefits are subject to policy terms and conditions. Refer to your policy documents for more information.
~You may or may not be eligible for the health insurance plan. Please confirm with your policy executive.
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