Pipe Schedule Chart

For more information on pipe and tube, please check out Pipe versus Tube - What's The Difference.

PIPE SIZE	OD	5	10s	TRUE 10	20	30	40s & Std	TRUE 40	60	80s & XH	TRUE 80	100	120	140	160	XXH	PIPE SIZE
1/8	.405	.035 .1383	.049 .1863	.049 .1863			.068 .2447	.068 .2447		.095 .3145	.095 .3145						1/8
1/4	.54	.049 .2570	.065 .3297	.065 .3297			.088 .4248	.088 .4248		.119 .5351	.119 .5351						1/4
3/8	.675	.049 .3276	.065 .4235	.065 .4235			.091 .5676	.091 .5676		.126 .7388	.126 .7388						3/8
1/2	.84	.065 .5380	.083 .6710	.083 .6710			.109 .8510	.109 .8510		.147 1.0880	.147 1.0880				.187 1.3040	.294 1.7140	1/2
3/4	1.05	.065 .6838	.083 .8572	.083 .8572			.113 1.1310	.113 1.1310		.154 1.4740	.154 1.4740				.218 1.9370	.308 2.4410	3/4
1	1.315	.065 .8678	.109 1.4040	.109 1.4040			.133 1.6790	.133 1.6790		.179 2.1720	.179 2.1720				.250 3.7650	.382 5.2140	1
1 1/4	1.66	.065 1.107	.109 1.806	.109 1.806			.140 2.273	.140 2.273		.191 2.997	.191 2.997				0.250 3.765	0.382 5.214	1 1/4
1 1/2	1.90	.065 1.274	.109 2.085	.109 2.085			.145 2.718	.145 .4248		.200 .3.631	.200 3.631				.281 4.859	400 6.408	1 1/2
2	2.375	.065 1.604	.109 2.638	.109 2.638			.154 3.653	.154 3.653		.218 5.022	.218 5.022				0.343 7.444	.436 9.029	2
2 1/2	2.875	0.083 2.475	.120 3.531	.120 3.531			.203 5.793	.203 5.793		.276 7.661	.276 7.661				0.375 10.010	.552 13.700	2 1/2
3	3.50	.083 3.029	.120 4.332	.120 4.332			.216 7.576	.216 7.576		.300 10.250	.300 10.250				.438 14.320	.600 18.580	3
3 1/2	4	.083 3.472	.120 4.973	.120 4.973			.226 9.109	.226 9.109		.318 12.510	.318 12.510					.636 22.850	3 1/2
4	4.50	.083 3.915	.120 5.613	.120 5.613			.237 10.790	.237 10.790	0.281 12.660	.337 14.980	.337 14.980		0.438 19.000		0.531 22.510	.674 27.540	4
4 1/2	5						.247 12.530			.355 17.610						.710 32.530	4 1/2
5	5.563	.109 6.349	.134 7.770	.134 7.770			.258 14.620	.258 14.620		.375 20.780	.375 20.780		0.500 27.040		0.625 32.960	.750 38.550	5
6	6.625	.109 7.585	.134 9.290	.134 9.290			.280 18.970	.280 18.970		.432 28.570	.432 28.570		.562 36.390		.719 45.300	.864 53.160	6
7	7.625						.301 23.57			.500 38.05						.875 63.08	7
8	8.625	.109 9.91	.148 13.40	.148 13.40	.250 22.36	.277 24.70	.322 28.55	.322 28.55	.406 35.64	.500 43.39	.500 43.39	.594 50.87	.719 60.63	.812 67.76	.906 74.69	.875 72.42	8
9	9.625						.342 33.90			.500 48.72							9
10	10.75	.134 15.19	.165 18.65	.165 18.70	.250 28.04	.307 34.24	.365 40.48	.365 40.48	.500 54.74	.500 54.74	.594 64.33	.719 76.93	.844 89.20	1.000 104.10	1.125 115.60		10
11	11.75						.375 45.55			.500 60.07							11
12	12.75	.165 22.18	.180 24.16	.180 24.20	.250 33.38	.330 43.77	.375 49.56	.406 53.53	.562 73.16	.500 65.42	.688 88.51	.844 107.20	1.000 125.50	1.125 139.70	1.312 160.30		12
14	14		.188 27.73	.250 36.71	.312 45.68	.375 54.57	.375 54.57	.437 63.37	.594 84.91	.500 72.09	.750 106.10	.938 130.70	1.094 150.70	1.250 170.20	1.406 189.10		14
16	16		.188 31.75	.250 42.05	.312 52.36	.375 62.58	.375 62.58	.500 82.77	.656 107.50	.500 82.77	.844 136.50	1.031 164.80	1.219 192.30	1.438 223.50	1.593 245.10		16
18	18		.188 35.76	.250 47.39	.312 59.03	.437 82.06	.375 70.59	.562 104.80	.750 138.20	.500 93.45	.938 170.80	1.156 208.00	1.375 244.10	1.562 274.20	1.781 308.50		18
20	20		.218 46.05	.250 52.73	.375 78.60	.500 104.10	.375 78.60	.594 122.90	.812 166.40	.500 104.10	1.031 208.90	1.281 256.10	1.500 296.40	1.750 341.10	1.968 379.00		20
22	22			.250 58.07	.375 86.61	.500 114.81	.375 86.61		.875 197.42	.500 114.81	1.125 250.82	1.357 302.88	1.625 353.61	1.875 403.01	2.125 451.07		22
24	24		.250 63.41	.250 63.41	.375 94.62	.562 140.80	.375 78.60	.687 171.20	.969 238.10	.500 125.50	1.219 296.40	1.531 367.40	1.812 429.40	2.062 283.10	2.343 541.90		24
26	26			.312 85.73			.375 102.63			.500 136.17							26
30	30		.312 98.93	.312 99.08		.625 196.08	.375 118.65										30
34	34			.312 112.43		.625 236.13	.375 134.67	.688 244.60		.500 178.89							34
36	36			.312 119.11		.625 236.13	.375 142.68	.688 282.36		.500 189.57							36
42	42					.625 276.17	.375 166.71	.688 330.41		.500 221.61							42