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One calorie (kcal) equals 4.18 kJ or 4,184 joules (J). To convert from calories to kJ, multiple calories by 4.18. Conversely, to convert from kJ to calories, divide kJ by 4.18. For example, a ...
The calorie is a unit of energy that originated from the caloric theory of heat. [1] [2] The large calorie, food calorie, dietary calorie, or kilogram calorie is defined as the amount of heat needed to raise the temperature of one liter of water by one degree Celsius (or one kelvin ). [1] [3] The small calorie or gram calorie is defined as the ...
In general, a female should limit their caloric intake to 1,500 or less in order to lose 1lb per week. The average male should eat 2,000 calories a day to lose this amount. summary. The number of ...
Get the nutrition lowdown on all your meals and everything in between. Find out the calories, carbs, fat, fiber, and more in over 37,000 foods and drinks. Whether you're eating out or dining in ...
1 serving of green leafy vegetables (1 cup): a baseball. 1 serving of vegetables (1/2 a cup): a computer mouse. 1 teaspoon of olive oil: 1 fingertip. 2 tablespoons of peanut butter: a ping pong ...
To maintain your current weight, you need to balance the amount of calories you eat and drink with the number of calories your body uses each day. On average, women need about 1,600 to 2,400 ...
3400-3600 (14,200–15,100) >3600 (>15,100) The dietary energy supply is the food available for human consumption, usually expressed in kilocalories or kilojoules per person per day. It gives an overestimate of the total amount of food consumed as it reflects both food consumed and food wasted. [1] It varies markedly between different regions ...
Food energy. Food energy is chemical energy that animals (including humans) derive from their food to sustain their metabolism, including their muscular activity. [1] Most animals derive most of their energy from aerobic respiration, namely combining the carbohydrates, fats, and proteins with oxygen from air or dissolved in water. [2]