When clicking on the "not sure" link to determine how many calories we want per day, one is given a choice between Imperial and Metric units; but in the generated diets this choice is apparently not present?
(Also, what is a "cup"? and how many avocados does it hold...?)
1 cup = 236 ml. According to Wolfram Alpha, an avocado has a density of 0.97 g/ml, so it's roughly 229 grams. Average weight of an avocado is 210 grams.
(Also, what is a "cup"? and how many avocados does it hold...?)