BMI Calculator | Calculate Your Body Mass Index

BMI Calculator


What is BMI Calculator?

Body Mass Index (BMI): The body mass index (BMI) is determined by dividing the square of a person’s weight in lbs or kilograms by their height in meters or in feet inch. The BMI is an easy and affordable way to categorize a person’s weight into underweight, healthy, overweight, and obese categories.

BMI Calculator
BMI Calculator

BMI Calculator: BMI calculator calculates your body mass index using your height and weight.

How To Use BMI Calculator

For Imperial Unit:

  • Enter Your Height in Feet and inch
  • Enter your Weight in Lbs
  • Calculate and check your BMI

For Metric Unit:

  • Enter Your Height in Centimeter
  • Enter your Weight in Kilograms
  • Calculate and check your BMI

Why To Use BMI Calculator

BMI is a tool for identifying overweight and obesity. BMI is a cheap and straightforward tool because height and weight are the only two factors needed for computation. You can view the equation in kilos and meters or pounds and inches.

BMI is a simple tool that may be used in everyday life to identify people who have an average body composition and who are inactive.

How to Check BMI Calculator Readings?

The BMI figures below indicate the person’s physical body type.

  • Underweight: Your BMI is less than 18.5.
  • Healthy Weight: Your BMI is in between 18.5 and 25
  • Over Weight: Your BMI is in between 25.0 and 30.
  • Obesity: Your BMI is considered obese if it is 30.0 or greater.
  • Class 1 Obesity: BMI between 30 and 35
  • Class 2 Obesity: BMI between 35 and 40
  • Class 3 Obesity: BMI is greater than 40

How BMI is Calculated?

A person’s BMI is determined by dividing their body weight by their height squared. A person’s body weight is divided by their height squared to determine their BMI.

It is a simple formula that calculates your level of obesity based on your weight-to-height ratio. Given that all that is needed to measure is your height and weight, it is simple to use and beneficial for most people to gain a broad estimate of your illness risk. BMI isn’t ideal, though. While it can be helpful in some situations, there are some significant drawbacks if you’re attempting to use it to determine your illness risk.

Although BMI is best used in conjunction with other metrics to gain a more comprehensive picture of your health, it can still be helpful in helping your doctor determine your overall risk of obesity-related disorders. This formula is used to determine your BMI: BMI = weight / (height X height) X 703. The height in inches and weight in pounds should be entered. You might also use an online BMI calculator to do the numbers for you. A healthy weight is defined as having a BMI of 18.5 to 24.9.

How BMI Calculator Calculates Body type of a Person?

A person’s BMI is determined by dividing their body weight by their height squared. A person’s body weight is divided by their height squared to determine their BMI. The following table lists the BMI calculation formulas that are widely used:

The BMI figures below indicate the person’s physical body type.

  • Less than 17.5 – Signifies an illness like anorexia.
  • Underweight at 17.5 to 18.5 ideal weight at 18.5 to 24.9, overweight at 30 to 34.9, and severely obese at 35 to 39.9.
  • exceeding or matching 40 – Extreme obesity

What Could happen if your BMI is not Maintained?

Obese individuals are more susceptible to a wide range of illnesses and medical issues, including the following

  • death from all causes (mortality)
  • elevated blood pressure (hypertension)
  • High levels of triglycerides, low HDL cholesterol, or high levels of LDL cholesterol (dyslipidemia)
  • type 2 diabetes 2
  • cardiovascular disease
  • Stroke
  • a gallbladder condition
  • Osteoarthritis (the deterioration of bone and cartilage in a joint)
  • issues with breathing and sleep apnea
  • increased oxidative stress and ongoing inflammation
  • some cancers (endometrial, breast, colon, kidney, gallbladder, and liver)
  • poor standard of living

Examples of mental illnesses include clinical depression, anxiety, and other mental illnesses.

  • Body discomfort and physical difficulty moving around

Since these stressors are frequently present in obese people, metabolic syndrome can also exist in those with a healthy BMI. The researcher stated, “although poor metabolic health is typically associated with obesity, 30 percent of normal-weight people are estimated to be metabolically unwell worldwide.”

Metabolic syndrome, a group of risk factors that impair metabolic health, is common in people with high BMI. As stated by the Institutes of Health, metabolic syndrome is characterized by at least three of the following five factors: a large waist circumference, high triglyceride levels in the blood, low HDL cholesterol, raised blood pressure, or elevated fasting blood glucose.

Liang’s study focused on the increased risk of colon cancer in postmenopausal non-obese women with poor metabolic health. In this case, women were deemed to have metabolic syndrome if they possessed two or more risk factors, except for an enormous waistline. According to Liang and colleagues, postmenopausal women with metabolic syndrome had a more than the twofold increased risk of developing colorectal cancer.

What are the benefits of checking BMI through BMI Calculator?

At the population level, BMI serves as a helpful health indicator. When determining your risk of developing a disease, the distribution of fat in your body matters more than the total amount. The waist circumference is therefore considered to be a more accurate indicator of a health risk than the BMI.Waist-to-hip ratio calculations and caliper measurements are two methods for estimating body fat that goes beyond BMI. BMI is the most helpful metric to categorize body fat mass and obesity while being erroneous. On the other hand, there are more accurate ways to calculate total body fat.The BMI is a helpful indicator of obesity and overweight. Moreover, based on your weight and height, it is determined. BMI is a reliable indicator of your risk for diseases and an estimation of your body fat.

Body mass index performs its stated function of determining the prevalence of obesity in a population quite well. Looking at variations in BMI level gives researchers a solid indication of how rates of overweight and obesity alter over time or between groups, as stated by the Centers for Disease Control and Prevention. This is because it’s a generic measure of obesity that will work for most people. This makes it easier for health experts to get data they can use to research the obesity pandemic because it’s a straightforward approach to quantifying obesity in a population.

BMI Calculators for Adults

Despite not measuring body fat directly, BMI has a weak correlation with more accurate assessments of body fat. Other techniques include dual energy x-ray absorptiometry (DXA), underwater weighing, bioelectrical impedance, and estimates of skinfold thickness. Furthermore, consistent with these more precise measures of body fatness, BMI appears to be substantially linked with several adverse health consequences.

BMI is a screening tool for people; it does not make health or body fatness determinations. A qualified health care professional should conduct the necessary assessments to determine a person’s health state and dangers. Ask your healthcare professional if you have any queries about your BMI.

Does BMI have the same meaning for kids and teenagers as it does for adults?

Despite being calculated using the same formula as adult BMI, BMI is interpreted differently for kids and teenagers. Because body fat percentage changes with age and differs between boys and girls, the BMI of children and teenagers must be age- and gender-specific. The CDC’s BMI-for-age growth charts, which graphically rank BMI according to percentiles, take these variations into account. These percentiles were determined using representative data.

If a person’s BMI, which ranges from 2 to 19 years old, is at or over the 95th for children of the same age and sex in this reference sample from 1963 to 1994, they are deemed obese.

 A 10-year-old boy with 102 pounds and average height (56 inches) would have a BMI of 22.9 kg/m2. It would put the youngster in the 95th percentile for BMI, which indicates that his BMI is higher than that of 95% of boys his age in this reference population. He would therefore be classified as obese.

A widespread condition among today’s younger, weight-conscious population is underweight, which puts his health at risk.

Furthermore, if your BMI is under 20, you are considered underweight and may also be malnourished. Your systems can suffer from a lack of calories, vitamins, and minerals in the meals, making you more susceptible to infections because of a weakened immune system. In addition, you are more vulnerable to diabetes, osteoarthritis, high blood pressure, and breast and colon cancer.

Your BMI and Health

Your BMI can be used to determine if you are overweight or underweight. Your health may be impacted by both of these issues, which also raise your risk of developing chronic illnesses.

According to extensive population-based research, if you are overweight and have a BMI between 25 and 27, your risk of dying rises by 20 to 30% when compared to a healthy individual. People who are overweight are roughly 60% more likely to experience health issues. A person with a BMI over 25 and a sedentary lifestyle is more likely to experience the following problems:

What are the Adverse Points of BMI Calculator?

The link between BMI and body fat can be influenced by age, sex, ethnicity, and muscle mass. Additionally, BMI does not discriminate between extra fat, muscle, or bone mass nor shows how fat is distributed among people.

The greater your BMI, the higher your risk for certain conditions like heart disease, high blood pressure, type 2 diabetes, gallstones, breathing issues, and some malignancies,” state the National Institutes of Health. Therefore, clinicians are prone to employ this indicator of overweight and obesity when treating patients. BMI may also be inaccurate for pregnant women, athletes, and the aged. According to research, a person’s metabolic health, which is correlated with how much fat they have and how it is distributed, is commonly misclassified by their BMI alone.

Even if they have very little body fat, someone who works out regularly may have body weight. It causes their BMI to fall into the “overweight” or “obesity” category. As a result, they are at a lower risk of developing diseases linked to obesity than someone who weighs the same but has more fat tissue. Additionally, BMI does not distinguish between visceral and subcutaneous fat. While visceral fat, or “hidden” fat deep inside your abdomen that surrounds your internal organs, provides the most significant health danger. And subcutaneous fat, or the fat you can feel under your skin and pinch, impacts how you look. If you are overweight but the majority of the fat on your body is subcutaneous fat.

Who Developed the BMI Calculator that we are using on

The BMI Calculator was developed by Programmers from