United Kingdom Size Regular to US: Super

United Kingdom Size Regular: Corresponds to a Syngina fluid capacity range of 6–9 $\text{g}$, FDA absorbency tier of Regular Absorbency (6 to 9g), EDANA classification Normal / Medium (6 to 9g), physical dry dimensions of 48 $\text{mm}$ length $\text{x}$ 13 $\text{mm}$ dia., recommended flow Light to Moderate Flow, and format type Digital / Standard Applicator.

US: Super: Corresponds to a Syngina fluid capacity range of 9–12 $\text{g}$, FDA absorbency tier of Super Absorbency (9 to 12g), EDANA classification Super / Heavy (9 to 12g), physical dry dimensions of 50 $\text{mm}$ length $\text{x}$ 15 $\text{mm}$ dia., recommended flow Moderate to Heavy Flow, and format type Digital / Expandable Applicator.