We are excited to share one of our fave stories from Prevention here on FitSugar!
by Prevention
We are excited to share one of our fave stories from Prevention here on FitSugar!

Only 12 percent of Americans can estimate the calories they eat in a day! Find out why we're so clueless and get easy ways to stop calorie confusion.
By Mara Betsch, Prevention

You know what calories are, and you probably know that if you eat too many, you’ll gain weight. But do you know how many are in your favorite deli sandwich? Or how many calories you should really eat each day? Most Americans don’t. Only 12% can accurately estimate the number of calories they should consume in a day someone their age, height, weight, and physical activity, according to a 2010 survey by the International Food Information Council Foundation. So what is it about calories that keeps us baffled? Here are 8 reasons you’re confused about calories and the simple steps that will help you do the math.
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1. Portions Sizes Are Out of Control
You’ve all heard about the rapidly expanding serving sizes of restaurant and fast food portions, but just how bad are they? Portions sizes in restaurants may contain double or triple the calories of home-cooked meals, and studies show eating out is associated with a higher BMI. Unfortunately, those portions affect our waistlines. When there’s more food on the plate, people eat more—up to 30% more, according to an analysis of several studies.
Stop the confusion: Use this cheat sheet of portion sizes. We know it’s hard to look at your plate as decks of cards, tennis balls, and all the other, so start by measuring out your food servings at home and take a good look at what a half-cup of pasta looks like. Until the serving sizes are engrained in your brain, when dining out, aim to eat half of your meal, saving the leftovers for lunch the next day.
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2. Serving Sizes Are Deceiving
"There really aren’t standard serving sizes for packaged foods, which makes them confusing," explains Elisa Zied, RD, author Nutrition at Your Fingertips. She gives the example of cereal. A standard serving size of breakfast cereal is approximately 50 g, but depending on the cereal, that could mean a cup and a half of flakes or half a cup of heartier granola. Depending on the type of cereal you’re eating, just eyeing how much you put in the bowl, like most people do, can lead to inaccurate calorie counts.
Not only that, but larger-than-life snack foods may seem like single servings even though they often contain two to three servings per packet. Buy a 16-ounce bottled Coca-Cola, and the nutrition label reads 100 calories . . . for one of the two servings in the bottle. Drink the whole thing, as many people do, and you’re really getting 200 calories. Eat the whole bag of Austin Zoo Animal Crackers, commonly found in office vending machines, and you’re getting 230 calories, nearly two servings, instead of just one.
Keep reading to learn even more about calories!