Rounds

Diameter in Inches	Est. Weight per Ft. Lbs.	AISI C1018/C1020	AISI C1045	AISI C1215	AISI C 12L14	Precision Ground Shafting	C1144 ASTM Class B
3/32	0.023				√
1/8	0.042				√
5/32	0.065				√
3/16	0.094	√			√
7/32	0.128				√
1/4	0.167	√		√	√		√
9/32	0.211				√
5/16	0.261	√		√	√		√
11/32	0.316				√
3/8	0.376	√		√	√		√
13/32	0.441				√
7/16	0.511	√		√	√		√
15/32	0.587				√
1/2	0.668	√	√	√	√	√	√
9/16	0.845	√		√	√
5/8	1.04	√	√	√	√	√	√
11/16	1.26	√		√	√
3/4	1.5	√	√	√	√	√	√
13/16	1.76	√		√	√		√
7/8	2.04	√	√	√	√	√	√
15/16	2.35	√		√	√		√
1	2.67	√	√	√	√	√	√
1 1/16	3.01	√		√	√	√
1 1/8	3.38	√	√	√	√	√	√
1 3/16	3.77	√		√	√	√	√
1 1/4	4.17	√	√	√	√	√	√
1 5/16	4.6	√		√	√	√	√
1 3/8	5.05	√	√	√	√	√	√
1 7/16	5.52	√		√	√	√	√
1 1/2	6.01	√	√	√	√	√	√
1 9/16	6.52	√		√	√
1 5/8	7.05	√	√	√	√	√	√
1 11/16	7.6	√		√	√	√
1 3/4	8.18	√	√	√	√	√	√
1 13/16	8.77	√		√	√
1 7/8	9.39	√		√	√	√	√
1 15/16	10.02	√	√	√	√	√	√
2	10.68	√	√	√	√	√	√
2 1/16	11.36	√		√	√	√
2 1/8	12.06	√		√	√	√	√
2 3/16	12.78	√		√	√	√
2 1/4	13.52	√	√	√	√	√	√
2 5/16	14.28	√		√		√
2 3/8	15.06	√		√	√		√
2 7/16	15.86	√		√	√	√	√
2 1/2	16.69	√	√	√	√	√	√
2 9/16	17.53	√				√
2 5/8	18.4	√			√		√
2 11/16	19.28	√				√
2 3/4	20.19	√	√		√	√	√
2 13/16	21.12	√
2 7/8	22.07	√	√		√
2 15/16	23.04	√				√
3	24.03	√			√	√	√
3 1/16	25.04	√				√
3 1/8	26.07	√
3 3/16	27.13	√
3 1/4	28.2	√			√	√	√
3 5/16	29.3	√
3 3/8	30.41	√				√
3 7/16	31.55	√				√
3 1/2	32.71	√	√		√	√	√
3 5/8	35.09	√
3 11/16	36.31	√
3 3/4	37.55	√			√	√	√
3 7/8	40.09	√
3 15/16	41.4	√				√
4	42.72	√	√		√	√	√
4 3/16	46.82	√
4 1/4	48.23	√			√	√
4 7/16	52.58	√				√
4 1/2	54.07	√			√	√	√
4 3/4	60.24	√
4 15/16	65.09	√				√
5	66.75	√			√	√
5 1/4	73.59	√
5 7/16	78.95	√				√
5 1/2	80.78	√				√
5 3/4	88.28	√				√
5 15/16	94.13	√				√
6	96.12
6	96.13	√				√
7	30.83	√
8	70.88	√