What is Body Mass Index (BMI)?
The Body Mass Index or BMI is measure of body fat based on height & weight that applies to both adult men & women.
Your body mass index (BMI) is calculated using your weight and height to estimate whether you are in a healthy weight range.
It is important to remember that BMI is only one part of assessing your health. Other factors, like waist circumference, age, gender, ethnicity, and body composition, also matter.
Calculate Your BMI
How is BMI calculated?
BMI = weight (kg) ÷ height (m²)
A BMI between 18.5 and 24.9 is considered healthy for most adults.
If you also want to offer a BMR calculator, you could separately say:
Your Basal Metabolic Rate (BMR) estimates the number of calories your body uses at rest. This can help you understand your daily energy needs based on your activity level. (Note: BMR is different from BMI.)
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Check Your BMI
Your body mass index (BMI) is a number calculated from your weight and height. It helps to indicate whether you are within a healthy weight range.
BMI is a useful tool for many adults over 18 years old, but it is only an estimate and does not take into account individual factors such as age, ethnicity, gender, or muscle mass.
It’s also important to consider waist circumference and other health risk factors alongside your BMI.
BMI Classifications
Classification | BMI |
| Underweight | <19 |
| Ideal BMI | 19 – 25 |
| Overweight | 25 – 30 |
| Obese | > 30 |
| Severely Obese | > 35 |
| Morbidly Obese | > 40 |
| Super Obese | > 50 |
Different Types of Fat
An obese person can develop a certain body profile. There are Two different types of fat deposits. Fat predominantly distributed around the waist is also a risk factor for health complications such as cardiovascular disease & type II diabetes. Fat predominantly deposited around the hips & buttocks does not seem to carry this same risk level.
Note: This calculator should not be used for pregnant women or children.
Calculate Your BMI Now.
Your BMR calculator generates the number of calories your body burns per day at rest. Your BMR with activity factor is the number of calories your body burns per day based on the activity factor you selected.