Learn How Many Calories You Burn Every Day
Use the TDEE calculator to learn your Total Daily Energy Expenditure, a measure of how many calories you burn per day.
What is TDEE?
TDEE stands for total daily energy expenditure. It is the total energy that a person uses in a day. TDEE is hard to measure accurately and varies day by day. More often, it is estimated using factors such as a person's basal metabolic rate (BMR), activity level, and the thermic effect of food.
Basal metabolic rate:
BMR is a person's energy usage rate while at rest in a temperate environment when the digestive system is inactive. In other words, it is the minimum energy needed to maintain a person's vital organs only.
Activity level:
Activity level is a factor that is based on the amount of activity a person undergoes. This includes deliberate exercise as well as other activities that a person may undergo as part of their job or typical daily activities. These factors are more specifically referred to as the thermic effect of activity, and non-exercise activity thermogenesis (energy expended for non-sleeping, eating, or sports-like exercise).
Thermic effect of food:
The thermic effect of food, also referred to as specific dynamic action, is the amount of energy required by the body to process and use food. It is sometimes estimated as 10% of food energy intake, but this can vary significantly depending on the type of food consumed. Protein, for example, has a far larger thermic effect than dietary fat, since it is more difficult to process.
How TDEE Is Calculated?
Your Total Daily Energy Expenditure (TDEE) is an estimation of how many calories you burn per day when exercise is taken into account. It is calculated by first figuring out your Basal Metabolic Rate, then multiplying that value by an activity multiplier.
Since your BMR represents how many calories your body burns when at rest, it is necessary to adjust the numbers upwards to account for the calories you burn during the day. This is true even for those with a sedentary lifestyle. Our TDEE calculator uses the best formulas and displays your score in a way that's easy to read and meaningful.
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