Small (12") – perfect for one, or to share as an appetizer. Medium (14") ➝ Upgrade! – ≈36% bigger than Small, gives you 40% more pizza for just $2 more. Ideal for two. X-Large (18") ➝ Family Size – ≈65% bigger than Medium, gives you 65% more pizza for just $5 more. Perfect for sharing with family & friends.