Because the pencil is made of wood and you only changed the size and shape of the wood or pencil and did not change what the wood is made of the substance. + 25 others found this useful. Ben Miller. Edit.
There are 97 calories in 1 cup of grapefruit. A one cup serving of grapefruit contains 16 grams of sugar. Half a grapefruit has 52 calories, 8 grams of sugar. It also has 28% of the recommended daily dose of Vitamin A plus 64% of your recommended Vitamin C. Grapefruit is among a handful of fruits that is one the left side of the PEERtrainer Cheat System.
This is for a 7 oz fruit. A medium whole grapefruit, again without sugar added has 41 calories in its 9 oz total weight. A large whole grapefruit which is almost 12 oz on average contains 53 calories altogether. 1 cup of grapefruit juice (with the sections) has a total calorie count of 74 in its 8 oz serving portion. The fruit has 9 calories per ounce and 0 per gram (too small to measure).