US: Size 5 to Europe Size 3
Cross-market children’s diapers, nappies, and training pants apparel conversion mapping Size 5 specifications into 3.

Analyzing Size Equivalence Across Markets
US: Size 5: Corresponds to a weight range of 12.2–20 (27–45 ) and an approximate age bracket of 18–36 .
Europe Size 3: Corresponds to a weight range of 5.4–8.2 (12–18 ) and an approximate age bracket of 2–6 .