08/07/2015 01:11 EDT | Updated 08/14/2015 02:59 EDT

Portion Sizes: What You Eat vs. What You Should Be Eating

You should only be having 21 potato chips.

Between Canada's Food Guide servings sizes, package recommendations and what you're served in restaurants, it can be really confusing to know exactly how much you should be eating.

And since most of us are overloading on junk food instead of leafy greens, it's really taking a toll on our waistlines. Over the past 30 years, Canada's obesity rate has more than tripled, the CBC reports.

In the video above, we compare what we eat vs. what we should be eating. Looking at both Canada's Food Guide and package serving sizes, we look at the shocking difference in size between the foods we free-pour and actual recommended sizes.

If you're trying to watch what you eat, remember that it all starts with portion control. Fortunately, this handy guide from the Canadian Diabetes Association reveals the simple trick to using your hand as a serving size guide.

Do you try to follow serving sizes? Or are you more of a free-pourer? Let us know in the comments below.

Also on HuffPost

Photo gallery What Serving Sizes Mean See Gallery