News1 min ago
Why kcal, why not just cal?
3 Answers
Why on foodstuffs are calories prefixed with k?
To me k means 1000. ie a kilogram is 1000 grams.
Have I just eaten a 400,000 calorie sandwich?
No wonder i weigh 17 stone!
Answers
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A calorie is the amount of energy needed to heat 1 gramme of water by 1 degree Celsius.
A kilocalorie (also known as a Calorie [capital c]) is the amount of energy needed to heat 1 kg (1 litre) of water by 1 degree Celsius.
The confusion started when they changed from the centimetre-gram-second system to the metre-kilogramme-second system.
A kilocalorie (also known as a Calorie [capital c]) is the amount of energy needed to heat 1 kg (1 litre) of water by 1 degree Celsius.
The confusion started when they changed from the centimetre-gram-second system to the metre-kilogramme-second system.
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