How to convert units

Sometimes, the calorific value (or energy density, or any similar term) of a particular food might be given in units other than kcal / 100g (kilocalories per hundred grams) or kcal / oz (kilocalories per ounce).

If so, here's how to convert other units into kcal / 100g:

To convert from...

...do this

kcal / kg

divide by 10

kcal / g

multiply by 100

MJ / Kg

multiply by 23.9

and here's how to convert other units into kcal / oz:

To convert from...

...do this

kcal / pound

divide by 16

MJ / oz

multiply by 843