Formula: weight (kg) / [height (m)]2. With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. Because height is commonly measured in centimeters, divide height in centimeters by 100 to obtain height in meters.
How do I calculate my BMI formula?
Body Mass Index is a simple calculation using a person’s height and weight. The formula is BMI = kg/m2 where kg is a person’s weight in kilograms and m2 is their height in metres squared.
What is the BMI formula and why do we use it?
BMI is short for “Body Mass Index.” It is simply a number calculated from a person’s height and weight. The more a person weighs in relation to their height, the higher their BMl. The formula used to calculate BMI is weight divided by height squared, and it is usually calculated in kg/meter2.
How do you calculate BMI with height and feet?
For example, if your weight is 60 kilograms and your height is 5 feet 3 inches, your BMI will be calculated as follows:60 / 2.61 (1.6 * 1.6) (5 feet 3 inches is approximately 1.6 meters)This gives us a BMI reading at 22.9.
Why do we calculate BMI?
Your BMI is a measurement that is a ratio of your weight and height. It’s a good way to gauge whether your weight is in healthy proportion to your height. In fact, knowing your BMI can help you – and your GP – determine any health risks you may face if it’s outside of the healthy range.
What is a good BMI by age?
| Age Range | 25th Percentile BMI | Average BMI |
|---|---|---|
| 18-24 | 21.9 | 27.1 |
| 25-29 | 22.5 | 27.9 |
| 30-34 | 24.4 | 29.6 |
| 35-39 | 24.7 | 30.2 |
What BMI is obesity?
| BMI | Weight Status |
|---|---|
| Below 18.5 | Underweight |
| 18.5—24.9 | Healthy |
| 25.0—29.9 | Overweight |
| 30.0 and Above | Obese |
What BMI example?
The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy. The BMI calculation divides an adult’s weight in kilograms by their height in metres squared. For example, A BMI of 25 means 25kg/m2.