When it comes to heart health it's best to focus on the things you can control in your everyday life. In both cases, you divide your weight by your height raised to the power of 2. Managing your weight is important for your health. Body Mass Index is calculated using either the metric or imperial BMI formula. For this reason, the labels of ‘underweight’, ‘overweight’ and ‘obese’ can be unmotivating for some people and not effective in motivating positive behaviour change. 25 or more is above the normal BMI range.īMI is unable to measure how healthy you are.less than 18.5 is below the normal BMI range.
#GOOGLE BMI CALCULATOR PROFESSIONAL#
Your BMI result is best interpreted by a health professional who has more information about your other heart disease risk factors and overall health. You can find more details about your BMI below. You are classified as and your risk of obesity related diseases is. children and teenagers aged 2-19, as growth charts should be used instead.anyone with a heart condition that affects the fluid balance in their body, such as heart failure.If your health professional sees your BMI increase, and you’re not trying to build muscle, this may show weight gain from fat that might be a risk to your heart health. However, BMI can be useful to help your health professional see changes to your weight over time. People with a lot of muscle can be classed as ‘above the healthy weight’ range even if they’re lean and fit.īMI alone shouldn't be used to determine your risk of heart disease. This can be more of a risk than someone with a BMI above the healthy range that has more muscle.īMI is less accurate in very muscular or athletic adults because muscle weighs more than fat. the amount of fat and muscle in your bodyīMI does not recognise that some people in the healthy BMI weight range can have higher levels of body fat that you can’t see.In this group, a healthy BMI range would be higher. People who are Māori or Pasifika often have a higher bone density and more muscle mass.
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People of Asian descent can have more body fat on a smaller frame so for this group, a healthy BMI range would be lower. The fat is often in different places on the body too.īMI is less accurate for certain ethnic groups.
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Men and women have different levels of fat. The following need to be considered alongside your BMI measurement: AgeĪs you get older, having a higher BMI can be helpful to protect against malnutrition or from having a fall. Please seek further advice from your GP.BMI is a guide for body size and isn’t accurate for everyone. If you're suffering from an eating disorder, the BMI calculator results do not apply. Your can use your BMI result as a starting point for further discussion with your GP about your weight and your general health.įind out more in How your GP can help and check out the Change4Life website for practical tips on staying healthy as a family. However, the BMI is a relatively straightforward and convenient method of assessing someone's weight. adults who lose muscle as they get older may fall in the "healthy weight" range even though they may be carrying excess fat.very muscular adults and athletes may be classed "overweight" or "obese" even though their body fat is low.The adult BMI does not take into account age, gender or muscle mass. The BMI can't tell the difference between excess fat, muscle, or bone. Your BMI can tell you if you're carrying too much weight but it can't tell if you're carrying too much fat. If you're concerned about your child's weight, contact your GP who may be able to refer you to your local healthy lifestyle programme for children, young people and families. Measuring waist size is not routinely advised for children because it doesn't take their height into account. For example, a girl on the 75th centile is heavier than 75 out of 100 other girls her age. Find out more in very overweight childrenĪ child's BMI is expressed as a "centile" to show how their BMI compares to children who took part in national surveys. If you're concerned about your child's weight, see your GP.
#GOOGLE BMI CALCULATOR HOW TO#
Get tips on how to encourage your child to be more active and eat well