EMT Conduit Sizes Chart

EMT Conduit Sizes Table

Size (inches)EMT DecimalEMT FractionIMC DecimalIMC FractionRigid DecimalRigid Fraction
1/20.70611/160.81513/160.8413/16
3/40.92215/161.02911.051-1/16
11.1631-3/161.291-5/161.3151-5/16
1-1/41.511-1/21.6381-5/81.661-11/16
1-1/21.741-3/41.8831-7/81.91-7/8
22.1972-3/162.362-3/82.3752-3/8
2-1/22.8752-7/82.8572-7/82.8752-7/8
33.53-1/23.4763-1/23.53-1/2
3-1/2443.971444
44.54-1/24.4664-7/164.54-1/2
55.5635-9/16

All measurements in the table above are measured in inches. The table above provides the outside diameter of each conduit size in both a decimal and fraction measurement.