It isn’t difficult to render fat. Learn how to make lard easily, either on the stovetop or in a slow cooker.
(Yields around 1 quart/ liter)
Nutritional information is based on obtaining 1 quart of lard from 1 kg of pork fat. This is all dependent upon the type of fat used. It also includes eating the proportional amount of cracklings (1/64th), and isn't just accounting for the lard itself.