Take a moment to examine the red plastic Solo cups in your cabinet—you’ll notice several horizontal lines on each 16-ounce cup.

While many assume these lines are meant for measuring drinks, their actual purpose might surprise you!

What Most People Think Solo Cup Lines Are For
Many believe the Solo cup measurements were designed for alcohol servings:

Bottom line (1 ounce): Liquor shots
Middle line (5 ounces): Wine
Top line (12 ounces): Beer
Since these measurements align with standard drink servings, it’s easy to assume that the cup was made with cocktail pouring in mind.

However, Solo has officially debunked this idea!

The True Meaning of Solo Cup Measurements

The True Meaning of Solo Cup Measurements
According to Solo, these lines were not designed for alcohol at all. Instead, they can be used for various everyday purposes, such as:

Mouthwash – Measuring the right amount for oral care
Cereal portions – A quick way to serve breakfast
Water intake – Tracking how much you drink daily
While the lines do match up with alcohol servings, Solo never intended them for that purpose.

Creative Uses for Solo Cup Lines
Solo also suggests some kid-friendly ways to use the cup’s measurements:

Juice servings – Prevent over-pouring
Chocolate syrup portions – A perfect drizzle every time
Shirley Temples – A fun, non-alcoholic drink
So, the next time you grab a Solo cup, remember it’s not just for cocktails and beer—it’s a versatile measuring tool for all kinds of drinks and snacks!