Calorie - Wikipedia
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 …
Calorie | Definition & Measurement | Britannica
2024年10月4日 — calorie, a unit of energy or heat variously defined. The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the …
What Are Calories? - Live Science
2022年10月28日 — Calories are units of energy that a food or drink provides. You can usually find calorie counts listed on food items, and wearables like the best fitness trackers allow you …
Kcal vs. Calories: Differences and How to Convert - Healthline
2024年10月29日 — Calories are a unit of energy, but in diet and exercise, the term is used to mean kilocalories (kcal). Learn the difference and what these terms mean.
Calories: Requirements, health needs, and function
2017年12月13日 — How many calories do you need? What are calories? Daily requirement. Calories and health. Empty calories. Takeaway. A calorie is a unit of energy. In nutrition, …
How calories are calculated: Science behind the | Live Science
2022年10月14日 — A calorie is a unit of energy, not a measure of weight or nutrient density. The calories you see on nutrition labels, however, are actually kilocalories, or kcals, according to …
Understanding Calories | Nutrition, Energy & Metabolism
Calories are simply a unit of energy, but they are a great mystery to many. They are not the enemy dieters often think they are. We need calories from food and drink to run our bodies the …