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BMI Calculator

BMI calculator
Use this calculator to check your body mass index (BMI).
BMI calculator
Unit type
Height
cm.
Please enter value between 125 and 225.
Weight
kg.
Please enter value between 10.0 and 500.0 (one decimal)
Height
ft.
in.
Please enter value between 4.2 and 7.3
Weight
lb
st.
Please enter value between 22.0 and 1000.0 (one decimal),
Calculate BMI
Use this calculator to check your body mass index (BMI), which can be a helpful tool in determining your weight cate

How to calculate BMI

If you want to calculate your BMI, you have to find out your weight and height first. Once you know these values, you can arrive at the result by following the two steps mentioned below:

 

1.Multiply your height by itself (height X height).
 
2.Divide your weight by the answer you get in the first step.
 

The equations for calculating the BMI are as follows:

International System of Units (SI)

BMI = weight (kg) ÷ (height (m))2

Example:
For a 177 cm (1.77 m) individual weighing 75 kg,
BMI = 75 / (1.77 * 1.77) = 75/ 3.13 = 23.96

 

Imperial System

BMI = weight (lb) ÷ (height (inches)) 2 × 703

Example:
For a 160-pound, 5’8” (68”) individual weighing 75 kg,
BMI = (160/ 68*68) * 703 = (160/4624) * 703 = 24.3

You can also use an online BMI calculator to find out your BMI and eliminate human errors.

 

How to calculate BMI

For adults over the age of 20 years, BMI values are grouped into the following weight status categories1:

BMI
Weight status
Below 18.5
Underweight
18.5–24.9
Normal weight
25–29.9
Overweight
30–35
Obese
Over 35
Morbid obesity

The range remains the same for males and females. There is no separate BMI calculator for men and women.

 

BMI for Children

In children, body fat content changes with age. It is also normal for teenage girls to have more body fat than boys. BMI calculation for children follows the sameformula as adults. But the value is then plotted on standard gender-specific BMI-for-age percentile charts for children. It determines the child’s weight status compared to children of the same gender and age.

For example, a 25th percentile BMI for a 6-year old female child would indicate that the child’s weight is higher than 25% of girls aged 6.

What are the health risks related to being overweight?

Excess weight brings with it countless health complications, some of which can be fatal. A higher BMI than average (over 25) is associated with increased risks for diseases like:

  • Type 2 diabetes
  • Heart conditions
  • Higher levels of LDL cholesterol and lower count of HDL cholesterol in the blood, increasing chances of coronary artery diseases and heart attacks
  • High triglycerides
  • Stroke
  • High blood pressure
  • Gall bladder-related complications
  • Insulin resistance
  • Osteoarthritis or breakdown of joint cartilage leading to painful joints
  • Sleep apnea or intermittent breathing obstruction during sleep
  • Atherosclerosis or building up of cholesterol deposits (plaques) in blood vessels (arteries)
  • Skin health problems like skin tags, darkening of the skin
  • Breathing trouble
  • Hernia

What are the risks of being underweight?

Having a BMI below 18.5 is also fraught with health risks, such as the ones listed below:

 
  • Vitamin deficiencies
  • Anaemia (low red blood cell count and hence reduced capacity to carry oxygen)
  • Diminished immunity or the ability to ward off infections
  • Osteoporosis or brittle bones that break easily
  • Malnutrition
  • Developmental delays in children
  • Hormonal imbalances
  • Disruptions in women’s menstrual cycle causing complications in conception

Being underweight can also be an indication of underlying health conditions like anorexia. Hence, if your BMI calculator shows a value matching the underweight category, you should consult a medical professional.

Conclusion

Due to the elevated stress of today’s lifestyle and increased pollution levels, obesity and associated lifestyle diseases are rampant even among the youth. Thus, a BMI calculator in India is a useful tool as it can help you assess your health risks. A medical practitioner can help you understand your BMI’s implications and guide you towards healthy life choices to prevent any complications.

However, apart from maintaining a healthy lifestyle, it is also crucial to stay prepared for unexpected health complications. Healthcare costs are skyrocketing, and the expenses for quality treatment can strain your financial resources. Hence, along with adopting healthy habits, you can also consider investing in a comprehensive health insurance policy. This will secure your family against the financial repercussions of medical exigencies.