Energy Equivalent of some foods

Food	calories/gram	protein(% wt)	fat(% wt)	carbohydrate(%wt)
american cheese	4.5	28.8	35.9	0.3
griddle cakes	2.0	7	5	31.6
corn bread	2.7	7.9	4.7	46.3
cooked rice	1.12	2.8	0.1	75.9
cream of wheat, raw	3.66	11	0.9	78.6
saltines	4.42	10.6	12.7	68.0
spaghetti	3.66	12.1	0.4	75.9
chocolate, sweet	5.05	10	32.5	42.5
oatmeal cookies	5.0	12	12	86
wheat flour	3.6	10.8	1.1	74.6
pecans	7.57	9.6	70.5	15.3
peanuts	5.64	25.8	38.6	21.9
olive oil	9.00	0	100	0
figs, dried	3.25	4.3	0.3	74.2
dates	3.56	2.1	2.8	78.4

Using 5,000 calories per day energy expenditure, and a food average of 3.6 calories/gram requires 3 lbs of food per day, or about 37 lbs for a 12 day trip from mail drop to mail drop.The volume of the food needed for this 12 day trip is about the carrying volume of a Tioga back pack!