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Body-Mass Index (BMI) - Waist-to-Height Ratio (WHtR)
Basal Metabolic Rate (BMR) - Body Fat & Surface Area
Willoughby Ideal Weight & Waist

Enter your weight (in lbs), height (in feet and inches), waist (in inches), sex and age. Then, press the Calculate! button.

 
Weight
 lbs
Height
 ft
in
Waist
 in
Sex
Age
 yrs
Body-Mass Index (BMI)
 kg/m2
Waist-to-Height Ratio (WHtR)
 %
Body Fat
 %
Basal Metabolic Rate (BMR)
 kcals/day
Surface Area
 m2
Willoughby Athlete Weight
 lbs
Willoughby Athlete Waist
 in

Waist is usually measured at one inch above the navel.

Body-Mass Index (BMI)

The body-mass index (BMI) is calculated by dividing your weight (in kg) by the square of your height (in meters). A BMI greater than 25 may indicate that you are overweight, while a BMI greater than 30 generally indicates obesity.

 

Age

Normal BMI Range

45 to 54 years

22 to 27

55 to 65 years

23 to 28

Over 65 years

24 to 29

(Department of Health and Human Services Consensus Conference on Obesity, April,1 1992)

Dr. Ben Z. Krentzman offers the following interpretation of BMI ranges:

A BMI from 20 through 26: desirable for most middle-aged adults. Nonsmokers with a consistent BMI within this range have the lowest risk of disease and premature death. In this category, weight gain can be avoided through moderate eating habits and exercise.

A BMI from 27 through 29: moderately overweight, carries a slightly increased risk of weight-related health problems, such as high blood pressure, high blood cholesterol, heart disease and adult-onset diabetes. People in this group have the hardest decision to make about reducing, given the potential health risks of weight loss. To prevent the development of weight-related health problems, most people in this category should avoid gaining additional pounds by adopting a low-fat diet and a routine of regular exercise. Weight loss for cosmetic reasons is very common here.

A BMI of 30 through 40: truly overweight, the risk of developing heart disease and other weight-related conditions rises sharply. Most people should lose weight in this category. Adult-onset diabetics in this category should definitely reduce, since blood-sugar control improves with weight loss.

A BMI of 40 or more; severely overweight, you are in great danger of dying early. 80% eat in frequent binges. Secret eating is common. Best weight loss technique is   often a fasting diet. Benefits of losing weight clearly outstrip any dangers.

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