Obesity has become a major problem nowadays. There are lots of people that are battling the problem of being overweight. It is a worrying factor and can cause lots of health complications to the individual. Being overweight or fat is having more body fat than is optimally healthy. Being overweight is especially common where food supplies are plentiful and lifestyles are sedentary.
Press BLUE Buttons to choose the Calculator. Try our simple BMI calculator for kids and adults.
What are Overweight and BMI?
Body mass index (BMI) is one way to estimate a person’s body fat that takes into consideration the person’s height. BMI is calculated using a person’s weight and height. In children and teens, BMI is used to find out if a child or teen is underweight, of a healthy weight, overweight, or obese.
Obesity & Overweight & BMI definitions
According to the American Heart Association, one-third of children and adolescents and 66 percent of the adult population is overweight or obese (obesity). Frans van Houten said in 1960 “Poor diet and sedentary behavior have led to an increase in obesity and lifestyle-related disease and a huge rise in chronic medical conditions.”
Obesity poses a great threat to the health of the present-day generation of people. Irregular eating habits and junk food are the prime reason for people suffering from excess weight.
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BMI for females - How to calculate BMI for women

BMI for Women
Doctors consider a healthy BMI for women to be 18.5–24.9. A BMI of 30 or above may indicate obesity.
Once someone knows their BMI, they can find out where their measurement falls in the following standard weight categories from the National Heart, Lung, and Blood Institute
Weight standard | BMI |
Underweight | Below 18.5 |
Healthy weight | 18.5–24.9 |
Overweight | 25.0–29.9 |
Obese | 30.0 and higher |
Body Mass Index (BMI)
BMI Calculator (BMI) is a measurement of a person’s leanness or corpulence based on their height and weight and is intended to quantify tissue mass. It is widely used as a general indicator of whether a person has a healthy body weight for their height.
BMI Calculator
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Your BMI is……
BMI | Classification |
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less than 18.5: | Underweight |
18.5 – 24.9: | Normal weight |
25 – 29.9: | Overweight |
30 – 34.9: | Class I Obese |
35 – 39.9: | Class II Obese |
40 upwards: | Class III Obese |
What is considered overweight?
What weight is too overweight?
Adults with a BMI of 30 to 39.9 are considered obese. Adults with a BMI greater than or equal to 40 are considered extremely obese. Anyone more than 100 pounds (45 kilograms) overweight is considered morbidly obese
Body Fat Calculator
There are many different ways to determine body fitness. Body Fat Calculator (BFC) can be used to estimate your total body fat. Often, the level or percentage of fat is a contributor to major diseases.
Body Fat Percentage takes into account your gender, weight, and height. BFC is your most important measurement to determine progress toward health.
Body Fat Calculator
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Your body fat is ……
Description | Women | Men |
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Recommended amount: | 20-25% | 8-14% |
Adults in United States, average : | 22-25% | 15-19% |
Obese : | 30+% | 25+% |
Hydration Calculator
Hydration Calculator (HC) level based on your information, season, and activity level.
You can use this water calculator (HC) to approximate the amount of water you need to consume in relation to the amount of time you will exercise and your body weight.
Hydration Calculator
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you should drink …… of water per day
How much protein do you need per day
Protein Calculator (PC) estimates the daily amount of dietary protein adults require to remain healthy.
PC takes into account your gender, weight, activity level, etc.
Based on these measurements we can determine how much protein you need to consume.
How much protein do you need per day?
age should be in 14 to 80 range | |
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You should take …… of protein per day
BMI for Kids
Obesity (overweight) in children – BMI calculator for kids
This calculator provides body mass index (BMI) and the corresponding BMI-for-age percentile based on CDC growth charts for children and teens ages 2 through 19 years. Because of possible rounding errors in age, weight, and height, the results from this calculator may differ slightly from BMI-for-age percentiles calculated by other programs.
In children and teens, BMI calculator for kids, BMI is used to find out if a child or teen is underweight, of a healthy weight, overweight, or obese
For more information about BMI for women alternatives