It is easy to lose sight of portion size and unwittingly consume excessive food and calories  even if the fat content is low or even zero! This guide contains a growing series of popular foods showing portion sizes with their calorie, fat and carbohydrate content. Cheese, Cheddar, Sliced.
1 It takes more than 10 gallons of water to produce one slice of wheat bread. 2  If you eat the bread with a slice of cheese then you add another 13 gallons. 3  Using a low-flow faucet can save you 3.5 gallons per minute. If you eat the bread with a slice of cheese then you add another 13 gallons. 2  Using a low-flow faucet can save you 3.5 gallons per minute. 3  Using a low-flow toilet can save nearly 5 gallons per flush.
Serving Size. One slice of bread is a single serving, but not all bread slices are created equal. If you are counting carbs or other nutritional components, read the labels carefully. For example, some brands of bread contain 12 grams of carbohydrates per slice, while others contain 18 grams. Likewise, some bread contains more fiber or more added sugar.