BMI Calculator

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You Can Use This BMI body mass index Calculator For Men and women To Calculate Your Body Mass Index By Taking Two Things into consideration height & weight.

What Is BMI?

BMI calculation – You might have come around this term when you started your fitness journey this is one of the terms that your gym trainers, your gym friends or other people in your gym continuously talk about. You might have read this term in weight gaining & muscle building articles. BMI is Stand for Body Mass Index – it is one type of measurement that is performed by considering two things: weight & height. By Calculating BMI a person gets to know whether they have perfect body weight as per their height. The value that person get from the BMI calculation 

Can be used to categorize a person who is underweight, overweight, normal weight & obesity. BMI Ranges can be different based on some factors, age, region. BMI is one of the best indicators that help people in knowing what kind of action they need to take. For example, a person who has a lower BMI is categorized as underweight so what action plan he needs to follow is to build some muscle and weight gain training. 

Why Is Maintaining Healthy Weight Very Important?

A person’s overall health depends on the person’s weight. Maintaining perfect weight is very important because it affects your health, helps in boosting immunity, helps in preventing many health diseases. If you are falling underweight category then there are lots of health diseases you might face including skin problems, Osteoporosis, your overall immunity system gets weaker and you get sick frequently, always feel tired, Irregular periods. That is why we need to keep healthy because it helps us in preventing these deadly health diseases. 

How BMI is Calculated?

BMI is one of the tools that consider two things: height & weight to calculate the BMI of a person. It didn’t diagnose any category whether it’s underweight or overweight. There are other tools & methods which can measure fatness, skin thickness includes clipper,  dual-energy x-ray absorptiometry (DXA), isotope dilution. But all of these methods are very costly and required to be performed by high experience professionals. 

The same process & BMI Formula can be used to calculate BMI of men, women & Children. The calculation can be done through the following formulas.   

Measurement UnitsFormula 
Kilogram, Meter or CentimeterFormula=Weight(KG)[Height(m)]2

Here in this BMI formula the weight (kilogram) will be divided by the height (meters)squared.  Normally the height is measured in centimeters. So we need height in meters, so divide height centimeter by 100.

Example: Weight = 65(Kg) Height = 165cm (1.65 m)

Calculation: 65(1.65)2=23.87  

Pound & InchesFormula= Weight(lb)[Height(In)]2 703

Here in this formula we will take weight in Pounds(lbs) and divide by height in inches (in) squared and multiply conversion by 703.

Example: Weight = 145lbs, Height = 5’5(65”)

Calculation: [145 (65)2]703=24.12

BMI Interpretation For Adults (20 Years old & Olders)

Here below we have interpreted BMI range for men & women using standard weight status and these weight categories can be used for both men & women. 

Category BMI range – kg/m2
UnderweightBelow 18.5
Normal Weight18.5 – 24.9
Overweight25.0 – 29.9
Obesity30.0 – Above
  • The People Who Have BMI Value Less The 18.5 Are Considered As Underweight.
  • The People Who Have BMI Value 15.5 to 24.9 Are Considered As Healthy Weight.
  • The People Who Have BMI Value More Than 25.0 But Less Than 30 Are Considered Overweight.
  • The People Who Have BMI Value 30.0 More Than Are Considered Obesity. 

BMI Interpretation For Children & Teens Age 2 to 20

The interpretation of BMI for children is totally different from men & women. Because when interpreting BMI of children & teen’s it must be age & sex specified. The reason behind it is that the amount of body fat changes with age and it may differ between boys & girls. To Interpret BMI of children & teens take the CDC BMI-for-age growth charts (Chart for boys) & (Chart for girls), take into account these differences, and visually show BMI as a percentile ranking. 

Below Chart Is Recommended By The Centers for Disease Control and Prevention (CDC) 

CategoryPercentile Range
Underweight<5%
Healthy weight5% – 85%
At risk of overweight85% – 95%
Overweight>95%

Possible Health Disease of Being Overweight

  • Type 2 diabetes
  • High blood pressure (Hypertension)
  • Stroke
  • Gallbladder disease
  • High LDL cholesterol
  • Low quality of life
  • Sleep apnea and breathing problems
  • Anxiety, Mental Disorder

Health Problems of Being Underweight

  • Malnutrition

Not Eating Enough & Burning more calories is one of the reasons for being underweight. When you do not eat enough healthy food your body didn’t get key nutrition & vitamins and that is enough for malnutrition.  Malnutrition can affect your body in many ways and few of the things you can notice with the naked eye include feeling tired, getting sick often, a weaker immune system, irregular periods, dry skin, dry skin.

  • Osteoporosis

Low bone mineral density & osteoporosis is a result of lower body weight. 

  • Fertility problems

Women who are underweight have irregular periods., hormone imbalance, reproductive issues