# Difference between Cal and Kcal

Cal and Kcal are the units of energy. cal means calories while kcal means kilocalories. cal is the smallest unit of energy, while kcal is the largest unit of energy. 1 kcal is equal to 1000 cal. Cal is the amount of energy or heat required to raise the temperature of 1 g of water by 1 degree Celsius, while kcal is the amount of energy or heat required to raise the temperature of 1 kg of water by 1 Celsius.

## What is Cal?

Cal is the unit of energy that represents calories. It is the amount of energy or heat necessary to raise the temperature of 1 g of water by 1 degree Celsius. Lime is used primarily for energy stored in food. One calorie equals 4,184 joules. 1 gram of protein carries 4 calories of energy and a gram of fat carries 9 calories of energy.

## What are Kcal?

Kcal is the unit of energy that means kilocalories. It is the amount of energy or heat necessary to raise the temperature of 1 kg of water by 1 degree Celsius. Kcals are used mainly for energy stored in food. One kcal is equal to 4184 joules.

## Key differences

- cal is the smallest unit of energy, while kcal is the largest unit of energy.
- Cal is the amount of energy or heat required to raise the temperature of 1 g of water by 1 degree Celsius, while kcal is the amount of energy or heat required to raise the temperature of 1 kg of water by 1 degree Celsius.
- One lime is equal to 4.184 joules, while one kcal is equal to 4184 joules.
- cal means calories and kcal means kilocalories.
- 1 gram of carbohydrates contains 4 calories of energy, while 1 gram of carbohydrates contains 0.004 kilocalories of energy.
- 1 gram of fat contains 9 calories of energy, while 1 gram of fat contains 0.009 kilocalories of energy.
- 4 liters of gasoline contains 31,000,000 calories, while 4 liters of gasoline contain 31,000 kilocalories.
- 1 gram of protein contains 4 calories of energy, while 1 gram of protein contains 0.004 kilocalories of energy.