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Body Mass Index (BMI) is an index used to estimate individual body fat.
BMI indicates your health risks by comparing your height and weight. Males with a BMI above 27.8 and women over 27.3 are considered overweight. Males with a BMI less than 20.7 and women below 19.1 are classified as underweight.
BMI is only an estimation of body fat. People who have valid reasons for maintaining weight outside of normal ranges (pregnant or breast feeding women, competitive athletes, body builders and people who are chronically ill) may experience inaccurate BMI values. People with a high percentage of muscle mass may appear overweight using BMI because muscle is more dense than fat.
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Resting Metabolic Rate
How many calories does your body use when you're doing absolutely nothing?
How many calories does your body use when at rest?
Knowing the minimum number of calories your body needs is important if you're trying to manage your current weight. To calculate the number of calories your body uses during an average day by applying activity levels use the Calorie Needs calculator below.
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Daily Calorie Needs
How much fuel (calories) does my body need to keep going?
It's important to know how many calories your body needs to maintain certain daily activities. By combining your resting metabolic rate and your daily activity level, you will get the total number of calories your body needs during the day.
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| **Activity Level |
| Very Light |
reading at rest, talking, routine walking |
| Light |
typing, teaching, some walking |
| Moderate |
brisk walking, running |
| Heavy |
Planting shrubs, digging a garden, climbing a ladder |
| Exceptionally Heavy |
weight training, aerobic dance, SPIN Training |
| Sports |
vigorous sports competition |
| All-Out training |
high-intensity weight training |
| Extended Maximum Effort |
high intensity and high duration output |
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