Mens Ring Size Chart

Most men don’t know their ring size until they have to figure it out for the big day. This can make it challenging or confusing when you’re shopping for mens engagement rings or mens bands, but we're here to help you with our men’s ring size chart.

Ring Diameter (MM)USA/CanadaUnited KingdomFranceGermanyJapanSwitzerland
15.6 mm.5J½4915¾99½
16.0 mm.5½L50¾1610½0¾
16.5 mm.6M51½6½1212¾
16.9 mm.6½N52¾171314
17.3 mm.7O5417¼1415¼
17.7 mm.7½P55¼17¾1516½
18.2 mm.8Q56¾181617¾
18.6 mm.8½Q½5818½1718½
19.0 mm.9R½59¼191820
19.4 mm.9½S½60¾19½1921
19.8 mm.10T½61¾202021¾
20.2 mm.10½U½62¾20¼2222¾
20.6 mm.11V½64¼20¾2324
21.0 mm.11½W½66212425¾
21.4 mm.12Y67¼21¼2527½
21.8 mm.12½Z6821¾2628¾
22.2 mm.13Z + 169222729¼
22.6 mm.13½Z + 1.57122.6-31

Men’s Ring Size Chart