The claim: The present on red Solo cups are measurement marks

Red Solo cups are much more than just an iconic party staple – they"re additionally measuring cups, follow to some social media users.

You are watching: How many cups in a red solo cup

Robert Hulseman invented the red Solo cup in the 1970s for families to use at picnics. Because then, the cups have likewise become famous for parties and also other social gatherings where alcohol is served. 

A July 22 post on Facebook shows a graphic of a red Solo cup with markings for recommended servings of liquor, wine and also beer.

“How old were you when you found out these lines room actually measurements?” reads text in the write-up from K92.3, a nation radio terminal in Orlando.

The article has since been deleted, however other users have shared similar versions the the claim, such together one April 29 short article with 2,000 shares that reads, "Did friend Know: The lines on a Solo Cup are Measurement Marks." 


This is not the very first time the claim has surfaced on society media, make its way to Pinterest, Reddit and also cocktail sites. It"s true that the lines about match recommended servings for alcoholic beverages, however it"s a coincidence. The company that manufactures Solo cups has said the present were not intended because that measuring drinks.

Fact check:Cocaine in Coke? Soda once contained drug yet likely much less than article claims


USA TODAY reached out come K92.3 and also the Facebook page for comment. 

Lines weren’t intended for measuring 

Newer version of the red Solo cup have to be redesigned without ridges. However, previously versions of the cup did have lines that coincided with the recommended serving size for beer (12 ounces), wine (5 ounces) and liquor (1.5 ounces).

But the style was no intentional, the firm says.

See more: How Long Do Beets Last In The Fridge Or Freezer? How Long Do Beets Last

Margo Burrage, director of communications for Dart Container Corp., parent agency of the Solo Cup Co., told PolitiFact the lines on the cup were produced for a variety of reasons. Measuring alcoholic beverages wasn"t among them. 

Fact check:PayDay liquid bar is not changing its name

"The rolling rim provides it less complicated to sip her drink, but likewise prevents a ridge of SOLO cup from difficult together," Burrage told PolitiFact. "The indented base renders the cup sturdier and less likely to crack. And those extra lines store your fingers from slipping if holding the cup. For this reason while the present weren’t expected for measurement, they were a rather purposeful component of the design."

When the claim very first went viral in 2012, the Solo Cup Co. shared a graphics to on facebook titled, “The REAL understanding of lines on a SOLO Cup.” 

The firm wrote the the measuring lines insurance claim was “not true or one original component of SOLO Cup design, however surprisingly accurate.” 

USA TODAY got to out to Dart Container for additional comment. 

Our rating: partially false

The claim that the currently on a Solo cup are measurement marks is partially FALSE, based upon our research. While the present on a Solo cup very closely match the typical serving size for different alcoholic drinks, it is a coincidence. The firm that create the cups has actually said the lines were designed for grip and also strength, not measurement.