Europe Size 52 to US: 4.5
Cross-market women’s rings, stacking bands, and statement jewelry conversion mapping 52 specifications into 4.5.

Analyzing Ring Size Equivalence Across Markets
Europe Size 52: Features an inner diameter of 16.5 (0.65 ), inner circumference of 51.9 (2.04 ), and standard numerical or letter ring scales optimized for women’s sizing curves.
US: 4.5: Features an inner diameter of 15.3 (0.602 ), inner circumference of 48 (1.89 ).
Other Conversions to US: 4.5
Europe Size 44 → us-4-544 to us-4-5
View
Europe Size 45.5 → us-4-545.5 to us-4-5
View
Europe Size 47 → us-4-547 to us-4-5
View
Europe Size 48 → us-4-548 to us-4-5
View
Europe Size 49.5 → us-4-549.5 to us-4-5
View
Europe Size 51 → us-4-551 to us-4-5
View
Europe Size 52 → us-4-552 to us-4-5
View
Europe Size 53.5 → us-4-553.5 to us-4-5
View
Europe Size 54.5 → us-4-554.5 to us-4-5
View
Europe Size 56 → us-4-556 to us-4-5
View
Europe Size 57 → us-4-557 to us-4-5
View
Europe Size 58.5 → us-4-558.5 to us-4-5
View