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EU 44 to US

Converting a EU ring size of 44 gives US 3, based on an inner circumference of about 44.2 mm. The complete cross-system chart is below.

EU 44 = US 3
Inner circumference โ‰ˆ 44.2 mm ยท diameter โ‰ˆ 14.1 mm ยท EU/ISO 44

Full cross-system equivalents for this ring size:

USUKEUJPCirc (mm)Diam (mm)
3F44444.214.1
3.5G46545.514.5
4Hยฝ47646.814.9
4.5Iยฝ48748.015.3
โš ๏ธ UK letters vary by jeweller: half-letter conventions differ slightly between brands. The EU/ISO number equals the inner circumference in mm, so it's the most reliable cross-check. If between sizes, order the larger.

Need a different size? Use the live ring size converter to convert any value, including a mm measurement.

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