Large Size Ring Chart

Sizes 12 to 26, Sorry, we have not calculated the Wheat Sheaf equivalents beyond Z4, but offer the diameters and circumference measurements. We have calculated all half and quarter sizes, but please be aware that quarter sizes do not make very much practical difference over about size 13.

Inside diameter inches	Inside diameter millimeters	Inside circumference inches	Inside circumference millimeters	US Number Size	Wheat sheaf Letter size
0.842	21.4	2.644	67.2	12	X 1/2
0.850	21.6	2.669	67.8	12 1/4	Y
0.858	21.8	2.694	68.4	12 1/2	Z
0.866	22.0	2.719	69.1	12 3/4	Z 1/2
0.874	22.2	2.744	69.7	13
0.882	22.4	2.769	70.3	13 1/4	Z1
0.890	22.6	2.795	71.0	13 1/2
0.898	22.8	2.820	71.6	13 3/4	Z2
0.906	23.0	2.845	72.3	14	Z3
0.914	23.2	2.870	72.9	14 1/4
0.922	23.4	2.895	73.5	14 1/2	Z4
0.930	23.6	2.920	74.2	14 3/4
0.938	23.8	2.945	74.8	15
0.946	24.0	2.970	75.4	15 1/4
0.954	24.2	2.996	76.1	15 1/2
0.962	24.4	3.021	76.7	15 3/4
0.970	24.6	3.046	77.4	16
0.978	24.8	3.071	78.0	16 1/4
0.986	25.0	3.096	78.6	16 1/2
0.994	25.2	3.121	79.3	16 3/4
1.002	25.5	3.146	79.9	17
1.010	25.7	3.171	80.6	17 1/4
1.018	25.9	3.197	81.2	17 1/2
1.026	26.1	3.222	81.8	17 3/4
1.034	26.3	3.247	82.5	18
1.042	26.5	3.272	83.1	18 1/4
1.050	26.7	3.297	83.7	18 1/2
1.058	26.9	3.322	84.4	18 3/4
1.066	27.1	3.347	85.0	19
1.074	27.3	3.372	85.7	19 1/4
1.082	27.5	3.397	86.3	19 1/2
1.090	27.7	3.423	86.9	19 3/4
1.098	27.9	3.448	87.6	20
1.106	28.1	3.473	88.2	20 1/4
1.114	28.3	3.498	88.8	20 1/2
1.122	28.5	3.523	89.5	20 3/4
1.130	28.7	3.548	90.1	21
1.138	28.9	3.573	90.8	21 1/4
1.146	29.1	3.598	91.4	21 1/2
1.154	29.3	3.624	92.0	21 3/4
1.162	29.5	3.649	92.7	22
1.170	29.7	3.674	93.3	22 1/4
1.178	29.9	3.699	94.0	22 1/2
1.186	30.1	3.724	94.6	22 3/4
1.194	30.3	3.749	95.2	23
1.202	30.5	3.774	95.9	23 1/4
1.210	30.7	3.799	96.5	23 1/2
1.218	30.9	3.825	97.1	23 3/4
1.226	31.1	3.850	97.8	24
1.234	31.3	3.875	98.4	24 1/4
1.242	31.5	3.900	99.1	24 1/2
1.250	31.8	3.925	99.7	24 3/4
1.258	32.0	3.950	100.3	25
1.266	32.2	3.975	101.0	25 1/4
1.274	32.4	4.000	101.6	25 1/2
1.282	32.6	4.025	102.2	25 3/4
1.290	32.8	4.051	102.9	26
1.298	33.0	4.076	103.5	26 1/4

Walker Metalsmiths offers most rings up to size 15. The Lorn ring and the Saint Andrew Knot ring are offered in larger sizes.

Every effort has been made to make the information on this page as accurate as possible. Walker Metalsmiths disclaims any responsibility for errors in this information except for transactions that are sales or purchases made by Walker Metalsmiths. Our free ring sizing policy is from 90 days of purchase with the restriction that gold or platinum rings may involve a price adjustment if an exchange is made that crosses a price bracket.