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  2. Specific energy - Wikipedia

    en.wikipedia.org/wiki/Specific_energy

    Energy density is thus commonly expressed in metric units of cal/g, kcal/g, J/g, kJ/g, MJ/kg, cal/mL, kcal/mL, J/mL, or kJ/mL. Energy density measures the energy released when the food is metabolized by a healthy organism when it ingests the food (see food energy for calculation).

  3. Calorie - Wikipedia

    en.wikipedia.org/wiki/Calorie

    Dieting is the practice of eating food in a regulated way to decrease, maintain, or increase body weight, or to prevent and treat diseases such as diabetes and obesity. As weight loss depends on reducing caloric intake, different kinds of calorie-reduced diets have been shown to be generally effective. [31]

  4. Metabolic equivalent of task - Wikipedia

    en.wikipedia.org/wiki/Metabolic_equivalent_of_task

    The metabolic equivalent of task (MET) is the objective measure of the ratio of the rate at which a person expends energy, relative to the mass of that person, while performing some specific physical activity compared to a reference, currently set by convention at an absolute 3.5 mL of oxygen per kg per minute, which is the energy expended when sitting quietly by a reference individual, chosen ...

  5. Harris–Benedict equation - Wikipedia

    en.wikipedia.org/wiki/Harris–Benedict_equation

    The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR).. The estimated BMR value may be multiplied by a number that corresponds to the individual's activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight.

  6. Kilocalorie per mole - Wikipedia

    en.wikipedia.org/wiki/Kilocalorie_per_mole

    As typically measured, one kcal/mol represents a temperature increase of one degree Celsius in one liter of water (with a mass of 1 kg) resulting from the reaction of one mole of reagents. In SI units , one kilocalorie per mole is equal to 4.184 kilojoules per mole (kJ/mol), which comes to approximately 6.9477 × 10 −21 joules per molecule ...

  7. List of countries by food energy intake - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_food...

    According to the FAO, the average minimum daily energy requirement is approximately 8,400 kilojoules (2,000 kcal) per adult and 4,200 kilojoules (1,000 kcal) a child. [3] This data is presented in kilojoules, as most countries today use the SI unit kilojoules as their primary measurement for food energy intake, [ 4 ] with the exception of the ...

  8. British thermal unit - Wikipedia

    en.wikipedia.org/wiki/British_thermal_unit

    0.2522 kcal (kilocalories) 25,031 to 25,160 ft⋅pdl (foot-poundal) 778.2 ft⋅lbf (foot-pounds-force) 5.40395 (lbf/in 2)⋅ft 3; A Btu can be approximated as the heat produced by burning a single wooden kitchen match or as the amount of energy it takes to lift a one-pound (0.45 kg) weight 778 feet (237 m). [16]

  9. Institute of Medicine Equation - Wikipedia

    en.wikipedia.org/wiki/Institute_of_Medicine_Equation

    The Estimated Energy Requirement, , is the estimated number of daily kilocalories, or Calories, an individual requires in order to maintain his or her current weight. For a person with a body mass of m {\displaystyle m} (kg), height of h {\displaystyle h} (m), age of a {\displaystyle a} (years) and Physical Activity PA {\displaystyle {\text{PA ...

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