How do you work out your bmi manually

 · Calculation: [weight (lb) / height (in) / height (in)] x When using English measurements, ounces (oz) and fractions must be changed to decimal values. Then, calculate BMI by dividing weight in pounds (lb) by height in inches (in) squared and multiplying by a conversion factor of  · Formula: weight (kg) / [height (m)]2. Calculation: [weight (kg) / height (cm) / height (cm)] x 10, With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. Since height is commonly measured in centimeters, an alternate calculation formula, dividing the weight in kilograms by the height in centimeters squared, and .

For example, a person who is cms tall is m tall (cm / = m). Using the metric formula is even easier than the imperial method as it's a two step process. Multiply your height by itself. Divide your weight in kilograms by the value calculated in step 1. The resulting number is your BMI. These simple steps will help you work out your BMI: Multiply your height in meters (m) by itself Divide your weight in kilograms (kg) by your step 1 result. How to Calculate Your Body Mass Index (BMI) Method 1. Using Metric Measurements. 1. Take your height in meters and square the number. You will need to multiply your height in meters by itself Method 2. Method 3. BMI Calculators.

Maintaining a healthy weight during childhood is especially important for heart health. Learn more about BMI in kids. Are you worried that your child could be overweight? Nearly 1 in 3 kids or teens in the U.S. are overweight or obese, near. BMI may not represent people of color or those with higher muscle mass. This can lead to issues with diagnosis, treatment, and care. Rachel MacPherson is a health writer, certified personal trainer, and exercise nutrition coach based in Mon. Having a high BMI, meaning overweight or obesity, can elevate your risk for health conditions like type 2 diabetes and heart disease. While genetics are a risk factor for high BMI, diet and lifestyle changes can help with obesity prevention.