Fast food is the term given to many items that can be prepared and served quickly. While any meal with low preparation time can be considered to be fast food, such as TV dinners, typically the term refers to food sold in a restaurant or store which is rapidly prepared and served to the customer in a packaged form for take out/take away.Outlets may be stands or kiosks, which may provide no shelter or seating, or fast food restaurants (also known as quick service restaurants). Franchise operations which are part of restaurant chains have standardized foodstuffs shipped to each restaurant from central locations.The capital requirements to start a fast-food restaurant are relatively small, particularly in areas with non-existent or poorly enforced health codes. Small, individually-owned fast-food restaurants have become common throughout the world. Fast food restaurants with higher sit-in ratios, where customers can sit and have their orders brought to them, are known as fast casual restaurants.

One of the most common food choices for the average person is fast food. And, as if this is going to be a shock to anyone on the planet, fast food is one of the worst high calorie offenders. This list is taken from the nutrition facts of literally every single item from the menus of 25 popular fast food restaurants.

restaurants to finally tell us what's in the food.

Many diners face a mystery of sorts at restaurants: They don't know how many calories are in the dishes they're eating. And when they guess, they greatly underestimate the numbers. So says David Zinczenko, author of the new book Eat This, Not That! written with Matt Goulding (Rodale, $19.95).

An up and coming online calorie-counting website that is already blowing the competition away with regards to tools and functionality. It tracks all your nutrients, provides a ton of graphs and charts to track your progress, and even has an awesome restaurant tree.

After going through the nutrition facts of every single item from the menus of 25 fast food restaurants, here's a list of the 272 highest calorie foods. A whopping 63 of them contain over 1000 calories.