1800 calories. The same goes for comparing the nutritional value of wet food vs. dry food. Dry foods also offer a significant benefit from a nutrition standpoint. Having the moisture removed from freeze dried food removes the requirement for additives and preservatives that are common in wet foods. The other benefit of freeze dried foods is shelf life. Most freeze dried camping package portions have a shelf life of 7 years vs. the canned good shelf life of 3 years. Shelf life for dry foods increases greatly when purchased in bulk packs.