What is a Duvet Cover vs Comforter Cover. The origin of the word duvet dates back to the 1750s. Itâs a French word meaning down. According to Dictionary.com, a duvet is usually a down-filled quilt that often has a removable cover.
kJ (kilojoules) is the Australian measure of how much energy people get from consuming a food or drink. Energy in food and drinks is measured by the number of kJ (kilojoules) it provides. kJ are similar to Calories: 1  1 kJ = 0.2 Calories (Cals)  1 Calorie = 4.2 kJs.
The term for 1,000 calories is kilocalories or kcal, and the term for 1,000 joules is kilojoules or kJ. 1 calorie = 4.184 joules 1 kilocalorie (kcal) = 4.184 kilojoules (kJ) However, outside of scientific literature, it has also become common practice to refer to kilocalories as calories. calorie is a unit of measure of the energy required to raise the temperature of 1 gram of water by 1 degree C. A joule is a unit of electrical energy, commonly used in the physical sciences, equal to the work done when a current of one ampere is passed through a resistance of one ohm for one second.