I have listed below the approximate ring counts per troy ounce for Sterling Silver (SS) and Yellow Gold Fill/Rose Gold Fill (GF).

Not all rings have been counted and listed yet, but will be added asap.

Gauge	Ring Size (inner diameter)	No. rings/ozt (SS-round wire)	No. rings/ozt (GF-round wire)	No. rings/ozt (SS-square/twisted wire)	No. rings/ozt (GF-square/twisted wire)	No. rings/ozt (SS-half round wire)	No. rings/ozt (GF-half round wire)
14 gauge	4.0mm	81	95	[to come]	[to come]	[to come]	[to come]
	4.5mm	75	88	[to come]	[to come]	[to come]	[to come]
	5.0mm	71	83	[to come]	[to come]	[to come]	[to come]
	5.5mm	63	74	[to come]	[to come]	[to come]	[to come]
	6.0mm	59	69	[to come]	[to come]	[to come]	[to come]
	6.5mm	54	63	[to come]	[to come]	[to come]	[to come]
	7.0mm	51	60	[to come]	[to come]	[to come]	[to come]
	8.0mm	46	54	[to come]	[to come]	[to come]	[to come]
	9.0mm	41	48	[to come]	[to come]	[to come]	[to come]
16 gauge	3.0mm	159	186	[to come]	[to come]	[to come]	[to come]
	3.25mm	156	183	[to come]	[to come]	[to come]	[to come]
	3.5mm	146	171	[to come]	[to come]	[to come]	[to come]
	3.75mm	140	164	[to come]	[to come]	[to come]	[to come]
	4.0mm	135	158	[to come]	[to come]	[to come]	[to come]
	4.5mm	125	146	[to come]	[to come]	[to come]	[to come]
	5.0mm	116	130	[to come]	[to come]	[to come]	[to come]
	5.5mm	102	119	[to come]	[to come]	[to come]	[to come]
	6.0mm	96	112	[to come]	[to come]	[to come]	[to come]
	6.5mm	90	105	[to come]	[to come]	[to come]	[to come]
	7.0mm	82	96	[to come]	[to come]	[to come]	[to come]
	8.0mm	76	89	[to come]	[to come]	[to come]	[to come]
	9.0mm	70	82	[to come]	[to come]	[to come]	[to come]
18 gauge	2.5mm	345	385	[to come]	[to come]	[to come]	[to come]
	2.75mm	306	351	[to come]	[to come]	[to come]	[to come]
	3.0mm	272	334	[to come]	[to come]	[to come]	[to come]
	3.25mm	268	316	[to come]	[to come]	[to come]	[to come]
	3.5mm	249	288	[to come]	[to come]	[to come]	[to come]
	3.75mm	238	279	[to come]	[to come]	[to come]	[to come]
	4.0mm	229	268	[to come]	[to come]	[to come]	[to come]
	4.25mm	220	256	[to come]	[to come]	[to come]	[to come]
	4.5mm	211	247	[to come]	[to come]	[to come]	[to come]
	4.75mm	203	234	[to come]	[to come]	[to come]	[to come]
	5.0mm	195	221	[to come]	[to come]	[to come]	[to come]
	5.5mm	170	202	[to come]	[to come]	[to come]	[to come]
	6.0mm	160	186	[to come]	[to come]	[to come]	[to come]
	6.5mm	149	175	[to come]	[to come]	[to come]	[to come]
	7.0mm	134	164	[to come]	[to come]	[to come]	[to come]
	8.0mm	125	142	[to come]	[to come]	[to come]	[to come]
20 gauge	2.0mm	656	768	[to come]	[to come]	[to come]	[to come]
	2.25mm	600	702	[to come]	[to come]	[to come]	[to come]
	2.5mm	572	669	[to come]	[to come]	[to come]	[to come]
	2.75mm	512	599	[to come]	[to come]	[to come]	[to come]
	3.0mm	456	534	[to come]	[to come]	[to come]	[to come]
	3.25mm	446	522	[to come]	[to come]	[to come]	[to come]
	3.5mm	410	480	[to come]	[to come]	[to come]	[to come]
	3.75mm	392	459	[to come]	[to come]	[to come]	[to come]
	4.0mm	378	442	[to come]	[to come]	[to come]	[to come]
	4.25mm	352	412	[to come]	[to come]	[to come]	[to come]
	4.5mm	346	405	[to come]	[to come]	[to come]	[to come]
	5.0mm	316	370	[to come]	[to come]	[to come]	[to come]
22 gauge	2.0mm	1,160	1,357	[to come]	[to come]	[to come]	[to come]
	2.25mm	1,040	1,217	[to come]	[to come]	[to come]	[to come]
	2.5mm	978	1,144	[to come]	[to come]	[to come]	[to come]
	2.75mm	908	1,062	[to come]	[to come]	[to come]	[to come]
	3.0mm	766	896	[to come]	[to come]	[to come]	[to come]