How to calculate Body Mass Index. 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. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9.
How do you calculate BMI with height and feet?
- Metric units: BMI = weight (kg) ÷ height2 (m)
- US units: BMI = (weight (lb) ÷ height2 (in)) * 703.
Is the BMI formula accurate?
As most of us fitness-focused folks have likely heard, BMI is far from a perfect measurement. Much of the time, and often when it really counts, the BMI measurement may actually overestimate or even underestimate a person’s body fat. And when it does, it really does.
How do you calculate BMI with height and weight?
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. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9.
What is my ideal weight for my height and age?
Weight and height guide chart
|4ft 10″ (58″)||91 to 115 lbs.||119 to 138 lbs.|
|4ft 11″ (59″)||94 to 119 lbs.||124 to 143 lbs.|
|5ft (60″)||97 to 123 lbs.||128 to 148 lbs.|
|5ft 1″ (61″)||100 to 127 lbs.||132 to 153 lbs.|
Do doctors still use BMI?
It is used in population studies, by doctors, personal trainers, and others. However, BMI has some important flaws. For example, it does not measure overall fat or lean tissue (muscle) content. BMI is derived from a simple math formula.
Is there a better measure than BMI?
Waist-to-height ratio (WHtR)
WHtR is more accurate than BMI because it takes central fat into consideration. Central fat is important because it collects around the organs in your midsection and has been closely linked to conditions such as heart disease.
What is a good BMI score?
For most adults, an ideal BMI is in the 18.5 to 24.9 range. For children and young people aged 2 to 18, the BMI calculation takes into account age and gender as well as height and weight.
How can I calculate weight?
Weight is a measure of the force of gravity pulling down on an object. It depends on the object’s mass and the acceleration due to gravity, which is 9.8 m/s2 on Earth. The formula for calculating weight is F = m × 9.8 m/s2, where F is the object’s weight in Newtons (N) and m is the object’s mass in kilograms.
What is importance of 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.
How do you calculate BMI in pounds?
Then, calculate BMI by dividing weight in pounds (lb) by height in inches (in) squared and multiplying by a conversion factor of 703. When using a handheld calculator, if your calculator has a square function, divide weight (lb) by height (in) squared, multiply by 703, and round to one decimal place.
What is a good weight for 5 5 female?
Ideal Weight Chart
|5′ 4″||117 – 143 lbs.||108 – 132 lbs.|
|5′ 5″||122 – 150 lbs.||113 – 138 lbs.|
|5′ 6″||128 – 156 lbs.||117 – 143 lbs.|
|5′ 7″||133 – 163 lbs.||122 – 149 lbs.|
How do I find my ideal weight?
Here are general guidelines.
- If your BMI is less than 18.5, it falls within the “underweight” range.
- If your BMI is 18.5 to 24.9, it falls within the “normal” or Healthy Weight range.
- If your BMI is 25.0 to 29.9, it falls within the “overweight” range.
- If your BMI is 30.0 or higher, it falls within the “obese” range.
How much should a 13 year old weigh?
How Much Should My 13-Year-Old Weigh? The average weight for a 13-year-old boy is between 75 and 145 pounds, while the average weight for a 13-year-old girl is between 76 and 148 pounds. For boys, the 50th percentile of weight is 100 pounds. For girls, the 50th percentile is 101 pounds.