Silicone Tubing Sizing

Examples of Silicone Tubing Sizing
available at

Dimensions inch (mm)

Internal Diameter

Outside Diameter

Wall thickness

1/50 (0.5)

1/12 (2.1)

1/32 (0.8)

1/32 (0.8)

3/32 (2.4)

1/32 (0.8)

1/16 (1.6)

1/8 (3.2)

1/32 (0.8)

3/32 (2.4)

5/32 (4.0)

1/32 (0.8)

1/8 (3.2)

3/16 (4.8)

1/32 (0.8)

1/8 (3.2)

1/4 (6.4)

1/16 (1.6)

1/8 (3.2)

3/8 (9.6)

1/8 (3.2)

5/32 (4.0)

7/32 (4.0)

1/32 (0.8)

3/16 (4.8)

1/4 (6.4)

1/32 (0.8)

3/16 (4.8)

5/16 (8.0)

1/16 (1.6)

3/16 (4.8)

7/16 (11.2)

1/8 (3.2)

1/4 (6.4)

5/16 (8.0)

1/32 (0.8)

1/4 (6.4)

3/8 (9.6)

1/16 (1.6)

1/4 (6.4)

7/16 (11.2)

3/32 (2.4)

1/4 (6.4)

1/2 (12.8)

1/8 (3.2)

5/16 (8.0)

7/16 (11.2)

1/16 (1.6)

5/16 (8.0)

1/2 (12.8)

3/32 (2.4)

5/16 (8.0)

9/16 (14.4)

1/8 (3.2)