Sizing Guide


Please use the below as a guide only.
For more help with your sizing call us on For more help with your sizing call us on 046 943 7722 during store opening hours.

Ring Sizing Guide

Inside Diameter - MMInside Diameter - MMInside Circumference - InchesInside Circumference - InchesSizes - UK & IrelandSizes - US
9.910.39031.131.22-0
10.720.44233.681.39-0
11.530.45436.221.43-0
11.950.47437.541.49A1/2
12.180.48238.261.51A 1/23/4
12.370.48738.861.53B1
12.600.49639.581.56B 1/21 1/4
12.780.50340.151.58C1 1/2
13.000.51240.841.61C 1/21 3/4
13.210.52041.501.63D2
13.410.52842.131.66D 1/22 1/4
13.610.53642.761.68E2 1/2
13.830.54443.451.71E 1/22 3/4
14.050.55344.141.74F3
14.150.55744.451.75F 1/23 1/8
14.250.56144.771.76F 3/43 1/4
14.360.56545.111.77G3 3/8
14.450.56945.401.79G 1/43 1/2
14.560.57345.741.80G 1/23 5/8
14.650.57746.021.81H3 3/4
14.860.58546.681.84H 1/24
15.040.59247.251.86I4 1/4
15.270.60147.971.89I 1/24 1/2
15.400.60648.381.90J4 5/8
15.530.61148.791.92J 1/44 3/4
15.700.61849.321.94J 1/25
15.800.62249.641.95K5 1/8
15.900.62649.951.97K 1/45 1/4
16.000.63050.271.98K 1/25 3/8
16.100.63450.581.99L5 1/2
16.300.64251.212.02L 1/45 3/4
16.410.64651.552.03L 1/25 7/8
16.510.65051.872.04M6
16.710.65852.502.07M 1/26 1/4
16.920.66653.162.09N6 1/2
17.130.67453.822.12N 1/26 3/4
17.350.68354.512.15O7
17.450.68754.822.16O 1/27 1/4
17.750.69955.762.20P7 1/2
17.970.70756.452.22P 1/27 3/4
18.190.71657.152.25Q8
18.350.72257.652.27Q 1/28 1/4
18.530.72958.212.29Q 3/48 1/2
18.610.73358.472.30R8 5/8
18.690.73658.722.31R 1/48 3/4
18.800.74059.062.32R 1/28 7/8
18.890.74859.342.35R 3/49
19.100.75260.002.36S9 1/8
19.220.75760.382.38S 1/49 1/4
19.310.76060.662.39S 1/29 3/8
19.410.76460.982.40S 3/49 1/2
19.510.76861.292.41T9 5/8
19.620.77261.642.43T 1/49 3/4
19.840.78162.332.45T 1/210
20.020.78862.892.48U10 1/4
20.200.79763.462.50U 1/210 1/2
20.320.80063.842.51V10 5/8
20.440.80564.212.53V 1/410 3/4
20.680.81464.972.56V 1/211
20.760.81765.222.57W11 1/8
20.850.82165.502.58W 1/411 1/4
20.940.82465.782.59W 1/211 3/8
21.080.83066.222.61W 3/411 1/2
21.180.83466.542.62X11 5/8
21.240.83666.732.63X 1/411 3/4
21.300.83966.922.64X 1/211 7/8
21.490.84667.512.66Y12
21.690.85468.142.68Y 1/212 1/4
21.890.86268.772.71Z12 1/2
22.100.87069.432.73Z +1/212 3/4
22.330.87970.152.76Z+113
22.600.89071.002.80Z+1.513.5
22.690.89371.282.81Z+2-
22.920.90272.002.83Z+2.5-
23.060.90872.452.85Z+3-
23.240.91573.012.87Z+3.5-
23.470.92473.732.90Z+4-
23.550.92773.982.91Z+4.5-
23.870.94074.992.95Z+5-
24.270.95676.253.00Z+6-