WEIGHTS AND AREAS						SIZE AND WEIGHTS
Square and Round Mild Steel Bars						of PIPE
Based on 489.6 Pounds per Cubic Foot						Standard Weight Pipe
Size or	SQUARE		ROUND			DIMENSION, INCHES				Weight
Diameter										Pounds
Inches	Weight	Area	Weight	Area						Lineal
	Pounds	Square	Pounds	Square		Size	External	Internal	Thickness	Foot
	Lineal	Inches	Lineal	Inches		1/8	0.405	0.269	0.068	0.244
	Foot		Foot			1/4	0.54	0.364	0.088	0.424
1/16	0.013	0.0039	0.01	0.0031		3/8	0.675	0.493	0.091	0.567
5/64	0.021	0.0061	0.016	0.0048		1/2	0.84	0.622	0.109	0.85
3/32	0.03	0.0088	0.023	0.0069		3/4	1.05	0.824	0.113	1.13
7/64	0.041	0.012	0.032	0.0094		1	1.315	1.049	0.133	1.678
1/8	0.053	0.0156	0.042	0.0123		1-1/4	1.66	1.38	0.14	2.272
9/64	0.067	0.0198	0.053	0.0155		1-1/2	1.9	1.61	0.145	2.717
5/32	0.083	0.0244	0.065	0.0192		2	2.375	2.067	0.154	3.652
11/64	0.1	0.0295	0.079	0.0232		2-1/2	2.875	2.469	0.203	5.793
3/16	0.12	0.0352	0.094	0.0276		3	3.5	3.068	0.216	7.575
13/64	0.14	0.0413	0.11	0.0324		3-1/2	4	3.548	0.226	9.109
7/32	0.163	0.0479	0.128	0.0376		4	4.5	4.028	0.237	10.79
15/64	0.187	0.0549	0.147	0.0431		5	5.563	5.047	0.258	14.617
1/4	0.213	0.0625	0.167	0.0491		6	6.625	6.065	0.28	18.974
17/64	0.24	0.0706	0.188	0.0554		7	8.625	8.071	0.277	24.696
9/32	0.269	0.0791	0.211	0.0621		8	8.625	7.981	0.322	28.554
19/64	0.3	0.0881	0.235	0.0692		8	10.75	10.192	0.279	31.201
5/16	0.332	0.0977	0.261	0.0767		10	10.75	10.136	0.307	34.24
21/64	0.366	0.1077	0.288	0.0846		10	10.75	10.02	0.365	40.483
11/32	0.402	0.1182	0.316	0.0928		12	12.75	12.09	0.33	43.773
23/64	0.439	0.1292	0.345	0.1014		12	12.75	12	0.375	49.562
3/8	0.478	0.1406	0.376	0.1104		Extra Strong Pipe
25/64	0.519	0.1526	0.407	0.1198		1/8	0.405	0.215	0.095	0.314
13/32	0.561	0.165	0.441	0.1296		1/4	0.54	0.302	0.119	0.535
27/64	0.605	0.178	0.475	0.1398		3/8	0.675	0.423	0.126	0.738
7/16	0.651	0.1914	0.511	0.1503		1/2	0.84	0.546	0.147	1.087
29/64	0.698	0.2053	0.548	0.1613		3/4	1.05	0.742	0.154	1.473
15/32	0.747	0.2197	0.587	0.1726		1	1.315	0.947	0.179	2.171
31/64	0.798	0.2346	0.627	0.1843		1-1/4	1.66	1.278	0.191	2.996
1/2	0.85	0.25	0.668	0.1964		1-1/2	1.9	1.5	0.2	3.631
33/64	0.904	0.2659	0.71	0.2088		2	2.375	1.939	0.218	5.022
17/32	0.96	0.2822	0.754	0.2217		2-1/2	2.875	2.323	0.276	7.661
35/64	1.017	0.2991	0.799	0.2349		3	3.5	2.9	0.3	10.252
9/16	1.076	0.3164	0.845	0.2485		3-1/2	4	3.364	0.318	12.505
37/64	1.136	0.3342	0.893	0.2625		4	4.5	3.826	0.337	14.983
19/32	1.199	0.3525	0.941	0.2769		5	5.563	4.813	0.375	20.778
39/64	1.263	0.3713	0.992	0.2916		6	6.625	5.761	0.432	28.573
5/8	1.328	0.3906	1.043	0.3068		8	8.625	7.625	0.5	43.388
41/64	1.395	0.4104	1.096	0.3223		10	10.75	9.75	0.5	54.735
21/32	1.464	0.4307	1.15	0.3382		12	12.75	11.75	0.5	65.415
43/64	1.535	0.4514	1.205	0.3545		Double Extra Strong Pipe
11/16	1.607	0.4727	1.262	0.3712		1/2	0.84	0.252	0.294	1.714
45/64	1.681	0.4944	1.32	0.3883		3/4	1.05	0.434	0.308	2.44
23/32	1.756	0.5166	1.38	0.4057		1	1.315	0.599	0.358	3.659
47/64	1.834	0.5393	1.44	0.4236		1-1/4	1.66	0.896	0.382	5.214
3/4	1.913	0.5625	1.502	0.4418		1-1/2	1.9	1.1	0.4	6.408
49/64	1.993	0.5862	1.565	0.4604		2	2.375	1.503	0.436	9.029
25/32	2.075	0.6104	1.63	0.4794		2-1/2	2.875	1.771	0.552	13.695
51/64	2.159	0.635	1.696	0.4987		3	3.5	2.3	0.6	18.583
13/16	2.245	0.6602	1.763	0.5185		3-1/2	4	2.728	0.636	22.85
53/64	2.332	0.6858	1.831	0.5386		4	4.5	3.152	0.674	27.541
27/32	2.421	0.7119	1.901	0.5591		5	5.563	4.063	0.75	38.552
55/64	2.511	0.7385	1.972	0.58		6	6.625	4.897	0.864	53.16
7/8	2.603	0.7656	2.044	0.6013		8	8.625	6.875	0.875	72.424
57/64	2.697	0.7932	2.118	0.623
29/32	2.792	0.8213	2.193	0.645
59/64	2.89	0.8499	2.269	0.6675
15/16	2.988	0.8789	2.347	0.6903		Doubling the diameter of the pipe increases its capacity four times, tripling diameter increases area nine times.
61/64	3.089	0.9084	2.426	0.7135
31/32	3.191	0.9385	2.506	0.7371
63/64	3.295	0.969	2.588	0.761
1	3.4	1	2.67	0.7854
1-1/8	4.303	1.2656	3.38	0.994
1-3/16	4.795	1.4102	3.766	1.1075
1-1/4	5.313	1.5625	4.172	1.2272
1-5/16	5.857	1.7227	4.6	1.353
1-3/8	6.428	1.8906	5.049	1.4849
1-7/16	7.026	2.0664	5.518	1.623
1-1/2	7.65	2.25	6.008	1.7672
1-9/16	8.301	2.4414	6.519	1.9175
1-5/8	8.978	2.6406	7.051	2.0739
1-3/4	10.413	3.0625	8.178	2.4053
1-7/8	11.953	3.5156	9.388	2.7612
2	13.6	4	10.681	3.1416