BMI is calculated by dividing weight in kilograms by height in metres squared. For example, if you are 1.65m tall and weigh 85kg: weight / height squared = 85 / 1.65 x 1.65 = 85 / 2.72 = 31.25. Then your BMI would be 31.25. Your News24 subscription is an investment in independent journalism.
What is the normal BMI for South Africa?
South Africa’s average BMI is 26.3 which places it just outside the top 30 in the world but it also has one of the biggest disparities between men and women.
What is BMI calculation formula?
The formula for BMI is weight in kilograms divided by height in meters squared. If height has been measured in centimeters, divide by 100 to convert this to meters. When using English measurements, pounds should be divided by inches squared. This should then be multiplied by 703 to convert from lbs/inches2 to kg/m2.
How do you calculate BMI in kg?
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 then multiplying the result by 10,000, can be used.
How do I calculate my BMI online?
Body Mass Index (or BMI) is calculated as your weight (in kilograms) divided by the square of your height (in metres) or BMI = Kg/M2.
Is being overweight a common problem in South Africa?
Did you know that 31% of men and 68% of women in South Africa are obese? Being overweight or obese not only affects your self-esteem, it also leads to heart disease and potentially an early death. This is a big problem, not only in adults but also in children. 13% of South African children are obese.
What is a good BMI?
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. If your BMI is: below 18.5 – you’re in the underweight range.
How do you calculate BMI with height and weight?
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.
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 a good BMI for my age?
A BMI of between 18.5 and 24.9 is ideal. A BMI of between 25 and 29.9 is overweight. A BMI over 30 indicates obesity.
What is the fastest way to calculate BMI?
How to Calculate Your Body Mass Index
- Multiply your height in inches times your height in inches.
- Divide your weight by the number you arrived at in Step 1.
- Multiply the number you came up with in Step 2 by 705. The result is your BMI.
What is my ideal weight in kg?
Ideal body weight (men) = 50 kg + 1.9 kg for every inch above 5 feet. Ideal body weight (women) = 49 kg + 1.7 kg for every inch above 5 feet.
How do you solve BMI step by step?
Follow these steps to calculate your BMI:
- Convert your weight from pounds to kilograms. Your weight (in pounds) ÷ 2.2 = your weight (in kilograms). …
- Convert your height from inches to meters. Your height (in inches) ÷ 39.37 = your height (in meters). …
- Calculate your Body Mass Index.
How do you calculate BMI and weight?
How to Calculate BMI
- Use a weighing scale to check your weight. Note down the nearest pound value.
- Then, measure your height against the wall in feet (ft.) and inches. You can also measure your height in inches only.
- Enter these values in the BMI calculator. Choose your gender and click on ‘Calculate BMI’.
How much should I walk to lose weight BMI?
Walking 1 hour each day can help you burn calories and, in turn, lose weight. In one study, 11 moderate-weight women lost an average of 17 pounds (7.7 kg), or 10% of their initial body weight, after 6 months of brisk daily walking ( 3 ).