I get that is has something to do with energy, but so do a lot of things.
In: 0
A calorie is the amount of energy it takes to heat 1 gram of water 1°C, or 4.18 Joules
When talking about food, we use Calories (capital c) also known as kilocalories, or 1000 calories. That’s enough energy to heat 1 kilogram of water by 1°C
In food, it’s just the energy available for the body to use, as simple as that. For most foods, you can calculate it yourself by burning it and measuring the change of temperature in some water placed above it. (We did this in my high school chemistry class)
Latest Answers