Nominal Tube Dimensions / Wall Thickness Chart
Tube O.D.
(Outside Diameter)
Tube Gauge
000123456789101112131415161718192021222324
Wall Thickness (Inches)
0.3800.3400.3000.2840.2590.2380.2200.2030.1800.1650.1480.1340.1200.1090.0950.0830.0720.0650.0580.0490.0420.0350.0320.0280.0250.022
Tube I.D.
1/4″ N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A0.0100.0320.0600.0840.1060.1200.1340.1520.1660.1800.1860.1940.2000.206
3/8″ N/A N/A N/A N/A N/A N/A N/A N/A0.0150.0450.0790.1070.1350.1570.1850.2090.2310.2450.2590.2770.2910.3050.3110.3190.3250.331
1/2″ N/A N/A N/A N/A N/A0.0240.0600.0940.1400.1700.2040.2320.2600.2820.3100.3340.3560.3700.3840.4020.4160.4300.4360.4440.4500.456
5/8″ N/A N/A0.0250.0570.1070.1490.1850.2190.2650.2950.3290.3570.3850.4070.4350.4590.4810.4950.5090.5270.5410.5550.5610.5690.5750.581
3/4″ N/A0.0700.1500.1820.2320.2740.3100.3440.3900.4200.4540.4820.5100.5320.5600.5840.6060.6200.6340.6520.6660.6800.6860.6940.7000.706
7/8″0.1150.1950.2750.3070.3570.3990.4350.4690.5150.5450.5790.6070.6350.6570.6850.7090.7310.7450.7590.7770.7910.8050.8110.8190.8250.831
1″0.2400.3200.4000.4320.4820.5240.5600.5940.6400.6700.7040.7320.7600.7820.8100.8340.8560.8700.8840.9020.9160.9300.9360.9440.9500.956
1 1/8″0.3650.4450.5250.5570.6070.6490.6850.7190.7650.7950.8290.8570.8850.9070.9350.9590.9810.9951.0091.0271.0411.0551.0611.0691.0751.081
1 1/4″0.4900.5700.6500.6820.7320.7740.8100.8440.8900.9200.9540.9821.0101.0321.0601.0841.1061.1201.1341.1521.1661.1801.1861.1941.2001.206
1 1/2″0.7400.8200.9000.9320.9821.0241.0601.0941.1401.1701.2041.2321.2601.2821.3101.3341.3561.3701.3841.4021.4161.4301.4361.4441.4501.456
1 3/4″0.9901.0701.1501.1821.2321.2741.3101.3441.3901.4201.4541.4821.5101.5321.5601.5841.6061.6201.6341.6521.6661.6801.6861.6941.7001.706
2″1.2401.3201.4001.4321.4821.5241.5601.5941.6401.6701.7041.7321.7601.7821.8101.8341.8561.8701.8841.9021.9161.9301.9361.9441.9501.956
2 1/4″1.4901.5701.6501.6821.7321.7741.8101.8441.8901.9201.9541.9822.0102.0322.0602.0842.1062.1202.1342.1522.1662.1802.1862.1942.2002.206
2 1/2″1.7401.8201.9001.9321.9822.0242.0602.0942.1402.1702.2042.2322.2602.2822.3102.3342.3562.3702.3842.4022.4162.4302.4362.4442.4502.456
2 3/4″1.9902.0702.1502.1822.2322.2742.3102.3442.3902.4202.4542.4822.5102.5322.5602.5842.6062.6202.6342.6522.6662.6802.6862.6942.7002.706
3″2.2402.3202.4002.4322.4822.5242.5602.5942.6402.6702.7042.7322.7602.7822.8102.8342.8562.8702.8842.9022.9162.9302.9362.9442.9502.956
3 1/4″2.4902.5702.6502.6822.7322.7742.8102.8442.8902.9202.9542.9823.0103.0323.0603.0843.1063.1203.1343.1523.1663.1803.1863.1943.2003.206
3 1/2″2.7402.8202.9002.9322.9823.0243.0603.0943.1403.1703.2043.2323.2603.2823.3103.3343.3563.3703.3843.4023.4163.4303.4363.4443.4503.456
3 3/4″2.9903.0703.1503.1823.2323.2743.3103.3443.3903.4203.4543.4823.5103.5323.5603.5843.6063.6203.6343.6523.6663.6803.6863.6943.7003.706
4″3.2403.3203.4003.4323.4823.5243.5603.5943.6403.6703.7043.7323.7603.7823.8103.8343.8563.8703.8843.9023.9163.9303.9363.9443.9503.956
4 1/4″3.4903.5703.6503.6823.7323.7743.8103.8443.8903.9203.9543.9824.0104.0324.0604.0844.1064.1204.1344.1524.1664.1804.1864.1944.2004.206
4 1/2″3.7403.8203.9003.9323.9824.0244.0604.0944.1404.1704.2044.2324.2604.2824.3104.3344.3564.3704.3844.4024.4164.4304.4364.4444.4504.456
4 3/4″3.9904.0704.1504.1824.2324.2744.3104.3444.3904.4204.4544.4824.5104.5324.5604.5844.6064.6204.6344.6524.6664.6804.6864.6944.7004.706
5″4.2404.3204.4004.4324.4824.5244.5604.5944.6404.6704.7044.7324.7604.7824.8104.8344.8564.8704.8844.9024.9164.9304.9364.9444.9504.956
5 1/4″4.4904.5704.6504.6824.7324.7744.8104.8444.8904.9204.9544.9825.0105.0325.0605.0845.1065.1205.1345.1525.1665.1805.1865.1945.2005.206