BMI Calculator

Track your Body Mass Index and take control of your wellness with our easy-to-use BMI Calculator.

Enter your details to calculate your BMI

ft & incm
ft
in
kg

Your body mass index is

24.13

Underweight

(< 18.5)

Normal

(18.5 - 24.9)

Overweight

(25 - 29.9)

Obesity

(> 30)

Healthy BMI Range

18.5 - 24.9

Healthy weight for this height

55.2-74.3 Kg

What is BMI ?

The most well-known tool for measuring body weight in relation to height is possibly BMI, and it can thus categorise people as underweight, normal weight, overweight, and obese. BMI is calculated by taking one's weight in kilograms and dividing it by the square of that same person's height in metres (kg/m²).

Classification of BMI
Weight ClassIdeal BMI
Underweight< 18.5
Normal Weight18.5 - 24.9
Overweight25 - 29.9
Obese> 30
Over the last few years, BMI has been increasing in India. Especially in major cities where changes in lifestyle are more likely to be accompanied by increased calorie consumption and reduced levels of physical activity. Recent studies also reveal significant regional differences in the distribution of BMI, influenced by socio-economic conditions, and cultural and dietary practices, among others.
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Health Implications

Maintaining a healthy BMI is crucial as higher values are linked to conditions like type 2 diabetes, hypertension, and cardiovascular diseases. Body composition and fat distribution can impact health outcomes independently of BMI. For a more accurate health assessment, additional metrics, such as waist circumference, should be considered. These measurements provide a clearer picture of health risks, especially in the Indian context, where fat distribution patterns differ from global averages.

Why use a BMI Calculator

A BMI calculator is a simple tool used to calculate body weight in relation to height. It is used to classify weight as underweight, normal weight, overweight, or obese. This provides valuable information related to self-health and possible risks due to weight.

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Health Monitoring

Using a BMI calculator helps monitor health, especially with rising obesity rates. It indicates potential risks for conditions like diabetes, hypertension, or heart disease.

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Weight Control

Using a BMI calculator helps fitness professionals set target levels, providing benchmarks to track progress. It supports decisions on weight loss or muscle gain goals.

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Fitness Goals

A BMI calculator helps determine whether weight gain or loss is needed. It also tracks weight changes over time, offering guidance on maintaining a healthy balance.

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Conclusion

While a BMI calculator is a useful tool, it has limitations. It doesn't account for variations in body composition, such as muscle or fat distribution. Many Indians, for example, may have a higher body fat percentage even at a lower BMI, which can mask health risks. Therefore, while BMI provides a good starting point, it should be supplemented with other measurements like waist circumference and body composition analysis for a more accurate understanding of one’s health status. These additional metrics offer a better assessment of the risks associated with body fat and overall health.

How to calculate BMI?

The Body Mass Index, or BMI, is calculated with a rather simple formula. It measures whether a person's weight is in a proportional magnitude to their height, so you can gauge potential health risks.

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Collect your measurements

1. Weight

Report your weight in kg. If you have weight measured in pounds, use the following conversion factor:kg = pound ÷ 2.205.

2. Height

Report your height in meters. If you have it reported in feet and inches convert to meters: first convert feet to inches [1 foot = 12 inches] and sum the additional inches together then divide by 39.37.

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Apply the formula

1. The formula to calculate BMI is as follows:

BMI = Weight (kg) / Height (m2)

2.For example, if your weight is 70kg and height is 1.75m, your BMI will be

BMI = 70/1.75*1.75 = 70/3.0625 ≈ 22.86

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Interpret

Weight ClassIdeal BMI
Underweight(< 18.5)
Normal Weight18.5 - 24.9
Overweight25 - 29.9
Obese(> 30)
Why should we calculate BMI?
In India, lifestyle-related health issues are emerging rapidly, and knowing the BMI will help to indicate potential health risks of underweight or overweight status. Moreover, regularly monitoring BMI can motivate people to acquire healthy habits like proper diet and frequent exercise.
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Conclusion

While calculating BMI is simple, it doesn't provide a complete picture of health. Factors like muscle mass and fat distribution significantly impact overall well-being, but BMI alone cannot account for these variations. For instance, a person with high muscle mass may have a higher BMI but still be in excellent health, while someone with a lower BMI but higher body fat may face health risks. To get a more accurate assessment of your health status, it’s important to consult with health professionals who can offer a comprehensive evaluation, taking into account other metrics beyond just BMI.

Risks associated with being overweight & underweight

Being overweight has many health risks, especially in India, where the prevalence of obesity is rising. Whereas being underweight with a BMI below 18.5 has several health consequences. While obesity is on
Being overweight

The following are some of the risks associated with being overweight:

Type 2 DiabetesPsychosocial ImpactMetabolic SyndromeJoint ProblemsCardiovascular Diseases
Being underweight

The following are some of the risks associated with being underweight:

OsteoporosisDevelopmental DelayRisks of CancersHormonal ImbalanceNutritional Deficiencies

Importance of BMI Calculator

A BMI calculator is an important tool for assessing weight status and potential health risks, especially in the Indian context where both obesity and malnutrition have been seen together. As long as urbanization and lifestyle change are influencing health, it is important to understand BMI.
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Quick Health Test
A BMI calculator assists in categorizing individuals into weight groups: underweight, normal weight, overweight, or obese, helping assess potential health implications effectively.
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Tracking Change
A high or low BMI can represent some health risks. For instance, BMI above 25 is particularly associated with a possible risk of developing diabetes, hypertension, and cardiovascular diseases.
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Health Risk Indicator
It helps people aiming to lose or gain weight by monitoring changes in their BMI over time. This can inspire them to embrace healthier eating habits and regular exercise routines.
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Public Health Insight
BMI data can illuminate research scientists and policy makers about the trends in obesity and malnutrition patterns in Indian population groups, allowing them to plan and implement specific interventions.
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Conclusion

While it is true that the BMI calculator is a handy tool for preliminary diagnosis, it is important to note that it has its limitations. The body composition and distribution of fat are not taken into account in the calculation of BMI. Hence, it needs to be used along with other measurements like waist circumference for the overall assessment of health risk.

Significance of BMI in Health Insurance for Adults

Lifestyle diseases are growing at a fast pace, and BMI is used as one of the key determinants of health parameters, affecting premium and coverage.

Premium Determination

Higher Premiums for High BMI: Individuals with a higher BMI are generally categorised as high-risk applicants. This means that they have to pay higher premiums for coverage from any insurance company. This is so because high BMI typically indicates a greater tendency to succumb to the kind of diseases that require claims, like diabetes and heart disease.

Eligibility for Benefits

Negative Implication on Preferred Provider Offerings: A very high or low BMI will determine eligibility for certain health insurance plans. Insurers place additional conditions or restrictions on high-risk customers based on their BMI.

Wellness Benefits

Most insurance firms reward people to decrease their BMI through incentives such as reduced premium payment or membership in wellness benefits. This encourages clients to live in a healthier and productive manner.

Importance of BMI in Health Cover for Children

Lifestyle diseases are growing at a fast pace, and BMI is used as one of the key determinants of health parameters, affecting premium and coverage.

Childhood Obesity Risks

Growing prevalence of obesity in Indian children has led to an increase in the awareness of BMI monitoring in children among insurers. High BMI in children may result in several complications in the long run.

Impact on Family Health Insurance :

  1. Impact on Family Premiums:An overweight child may have a "knock-on" effect on family health insurance premiums because insurers do factor in the aggregate health risk profile of the family when calculating costs.
  2. Coverage Conditions:Insurers also may condition or limit coverage specifically related to childhood obesity and associated health risks.
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Conclusion

BMI is an important determiner both in terms of cost and coverage in health insurance for adults and children. Maintaining a healthy BMI is important for health and also has a bearing on the financial exposure of health insurance.

Frequently asked questions

Can you have a normal BMI with a proper diet and exercise?

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Yes, you can achieve a healthy BMI with sufficient dieting and exercising. You can emphasise on maintaining a well-balanced diet including fresh fruits, green vegetables, whole-grain cereals, and lean proteins. Physical activities for at least 75 minutes a week is necessary to keep healthy. It reduces the risks of lifestyle diseases and helps sustain an individual's overall health.

How accurate are BMI readings?

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BMI readings can be misleading, especially for Indians. The measurement categorises a person as underweight, normal, overweight, or obese based on height and weight but does not take into account differences in body composition. Many Indians tend to have a much higher body fat percentage at lower BMI levels, thereby increasing risks for metabolic disorders despite showing a "normal" BMI. Waist circumference often turns out to be a better health indicator.

Does BMI matter with age?

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BMI matters with age. Changes in body composition and height are determinants for different ages of the individuals. Older adults tend to lose muscle and have increased fat accumulation; hence, even though one does not seem to have gained weight, their BMI could be high. Knowing your BMI can tell you how strong your risk is to develop diabetes and heart disease that arise after a certain age. Regular monitoring is a necessity for proper health management.

Can BMI be used during pregnancy?

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Yes, BMI can be used during pregnancy to assess health risks both for mothers and babies. This is especially very important in India where it helps detect cases of gestational diabetes and hypertension among others. Higher preconception BMI is associated with poor outcomes. Thus, maintaining healthy weight through balanced nutrition and regular exercises will become crucial for preventing complications and securing good maternal and foetal health outcomes.
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  1. BMI Calculator