CARBON STEEL, ANSI SCHEDULE 40

Pipe Size (NPS)	Outside Diameter (in)	Wall Thickness (in)	Inside Diameter (in)	Internal Area (in2)	Internal Area (ft2)	Metal Area (in2)	Moment of Inertia (in4)	Section Modulus (in3)	External Surface Area (ft2/ft)	Internal Surface Area (ft2/ft)	Weight of Pipe (lb/ft)	Weight of Water (lb/ft)
1/8	0.405	0.068	0.269	0.057	0.0004	0.072	0.001	0.005	0.106	0.070	0.245	0.025
1/4	0.540	0.088	0.364	0.104	0.0007	0.125	0.003	0.012	0.141	0.095	0.425	0.045
3/8	0.675	0.091	0.493	0.191	0.0013	0.167	0.007	0.022	0.177	0.129	0.568	0.083
1/2	0.840	0.109	0.622	0.304	0.0021	0.250	0.017	0.041	0.220	0.163	0.851	0.132
3/4	1.050	0.113	0.824	0.533	0.0037	0.333	0.037	0.071	0.275	0.216	1.131	0.231
1	1.315	0.133	1.049	0.864	0.0060	0.494	0.087	0.133	0.344	0.275	1.679	0.374
1 1/4	1.660	0.140	1.380	1.496	0.0104	0.669	0.195	0.235	0.435	0.361	2.273	0.648
1 1/2	1.900	0.145	1.610	2.036	0.0141	0.799	0.310	0.326	0.497	0.421	2.718	0.882
2	2.375	0.154	2.067	3.356	0.0233	1.075	0.666	0.561	0.622	0.541	3.653	1.453
2 1/2	2.875	0.203	2.469	4.788	0.0332	1.704	1.530	1.064	0.753	0.646	5.794	2.073
3	3.500	0.216	3.068	7.393	0.0513	2.228	3.018	1.725	0.916	0.803	7.577	3.201
3 1/2	4	0.226	3.548	9.887	0.0687	2.680	4.789	2.394	1.047	0.929	9.110	4.281
4	4.500	0.237	4.026	12.730	0.0884	3.174	7.234	3.215	1.178	1.054	10.792	5.512
4 1/2	5	-	-	-	-	-	-	-	-	-	-	-
5	5.563	0.258	5.047	20.006	0.1389	4.300	15.166	5.452	1.456	1.321	14.620	8.663
6	6.625	0.280	6.065	28.890	0.2006	5.581	28.149	8.498	1.734	1.588	18.977	12.509
8	8.625	0.322	7.981	50.027	0.3474	8.399	72.508	16.813	2.258	2.089	28.557	21.662
10	10.75	0.365	10.020	78.854	0.5476	11.908	160.776	29.912	2.814	2.623	40.488	34.144
12	12.75	0.406	11.938	111.932	0.7773	15.745	300.286	47.104	3.338	3.125	53.532	48.466
14	14	0.438	13.124	135.276	0.9394	18.662	429.605	61.372	3.665	3.436	63.449	58.575
16	16	0.500	15.000	176.715	1.2272	24.347	732.130	91.516	4.189	3.927	82.781	76.517
18	18	0.562	16.876	223.681	1.5533	30.788	1171.787	130.199	4.712	4.418	104.680	96.854
20	20	0.593	18.814	278.005	1.9306	36.155	1704.146	170.415	5.236	4.925	122.925	120.376
22	22	-	-	-	-	-	-	-	-	-	-	-
24	24	0.688	22.624	402.002	2.7917	50.387	3426.704	285.559	6.283	5.923	171.316	174.067
26	26	-	-	-	-	-	-	-	-	-	-	-
28	28	-	-	-	-	-	-	-	-	-	-	-
30	30	-	-	-	-	-	-	-	-	-	-	-
32	32	0.688	30.624	736.569	5.1151	67.678	8300.456	518.779	8.378	8.017	230.106	318.935
34	34	0.688	32.624	835.919	5.8050	72.001	9994.182	587.893	8.901	8.541	244.804	361.953
36	36	0.750	34.500	934.820	6.4918	83.056	12909.418	717.190	9.425	9.032	282.390	404.777