The claim: The lines on red Solo cups space measurement marks

Red Solo cups are more than simply an above party staple – they"re additionally measuring cups, according to part social media users.

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

A July 22 short article on Facebook mirrors a graphics of a red Solo cup with markings because that recommended servings that liquor, wine and beer.

“How old were you once you discovered out these lines room actually measurements?” reads text in the write-up from K92.3, a country radio station in Orlando.

The short article has because been deleted, but other users have actually shared comparable versions of the claim, such together one April 29 post with 2,000 shares that reads, "Did friend Know: The present on a Solo Cup space Measurement Marks." 


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

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USA TODAY got to out to K92.3 and also the Facebook page for comment. 

Lines weren’t expected for measuring 

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

But the style was not intentional, the agency says.

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Margo Burrage, director of interactions for Dart Container Corp., parent company of the Solo Cup Co., told PolitiFact the present on the cup were produced for a range of reasons. Measuring alcohol addict beverages wasn"t one of them. 

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"The rolling rim makes it less complicated to sip her drink, but likewise prevents a stack of SOLO cup from difficult together," Burrage said PolitiFact. "The indented base renders the cup sturdier and less likely to crack. And also those extra lines save your fingers from slipping when holding the cup. Therefore while the lines weren’t expected for measurement, they were a fairly purposeful part of the design."

When the claim first went famous in 2012, the Solo Cup Co. shared a graphic to on facebook titled, “The REAL understanding of currently on a SOLO Cup.” 

The firm wrote that the measuring lines claim was “not true or one original part of SOLO Cup design, yet surprisingly accurate.” 

USA TODAY reached out to Dart Container for additional comment. 

Our rating: partially false

The insurance claim that the present on a Solo cup are measurement marks is partly FALSE, based upon our research. If the lines on a Solo cup very closely match the conventional serving size for different alcoholic drinks, it is a coincidence. The firm that creates the cups has said the lines were designed because that grip and also strength, not measurement.