Are Starbucks cups actually the same size?

STARBUCKS CUP SIZES JUSTIFIED (EXPERIMENT)

What is the smallest size Starbucks has?

Starbucks coffee cups all same size🤨

Starbucks Barista Training: Learn Tall Size Drinks! | Starbucks Barista Journey

Where do Starbucks cup sizes come from? | English vocabulary

No, all Starbucks hot cup sizes do not hold the same amount of liquid

Has Starbucks Been Ripping You Off?

Verify | Do all Starbucks hot cup sizes hold the same amount of liquid?

Are Starbucks Cups All The Same Size? (EXPOSED)

Small Vs. Tall Starbucks Sizes are Bullshit