Pvc Pipe Sizes Chart

This is how to read these charts:

OD – outer diameter of pipe

ID – internal diameter of pipe

Min. Wall – minimum wall thickness of pipe

When determining the size you need, you need to look at Internal Diameter of the pipe. Why is pipe with the internal diameter of 0.622 in. classified as a 1/2″ pipe? Simply because it’s the closest fractional value. In engineering and DIY projects you should always work with exact internal diameter dimensions.

PVC Schedule 40 Sizes Table

Pipe SizeActual ODActual ODActual ODAverage IDMin. Wall
(SCH 40)(Decimal)(Fraction)(Metric)(Decimal)Thickness
1/2 in. PVC Pipe0.840 in.13/16 in.21.33 mm0.622 in.0.109 in.
3/4 in. PVC Pipe1.050 in.1-1/16 in.26.67 mm0.824 in.0.113 in.
1 in. PVC Pipe1.315 in.1-5/16 in.33.40 mm1.049 in.0.133 in.
1-1/4 in. PVC Pipe1.660 in.1-5/8 in.42.16 mm1.380 in.0.140 in.
1-1/2 in. PVC Pipe1.900 in.1-7/8 in.48.26 mm1.610 in.0.145 in.
2 in. PVC Pipe2.375 in.2-3/8 in.60.32 mm2.047 in.0.154 in.

PVC Schedule 80 Sizes Table

Pipe SizeActual ODActual ODActual ODAverage IDMin. Wall
(SCH 80)(Decimal)(Fraction)(Metric)(Decimal)Thickness
1/2 in. PVC Pipe0.840 in.13/16 in.21.33 mm0.546 in.0.147 in.
3/4 in. PVC Pipe1.050 in.1-1/16 in.26.67 mm0.742 in.0.154 in.
1 in. PVC Pipe1.315 in.1-5/16 in.33.40 mm0.957 in.0.179 in.
1-1/4 in. PVC Pipe1.660 in.1-5/8 in.42.16 mm1.278 in.0.191 in.
1-1/2 in. PVC Pipe1.900 in.1-7/8 in.48.26 mm1.500 in.0.200 in.
2 in. PVC Pipe2.375 in.2-3/8 in.60.32 mm1.939 in.0.218 in.

PVC Thinwall Sizes Table

Pipe SizeActual ODActual ODActual ODAverage IDMin. Wall
(SCH 40)(Decimal)(Fraction)(Metric)(Decimal)Thickness
3/4 in. PVC Pipe1.050 in.1-1/16 in.26.67 mm0.920 in.0.065 in.
1 in. PVC Pipe1.315 in.1-5/16 in.33.40 mm1.185 in.0.065 in.
1-1/2 in. PVC Pipe1.900 in.1-7/8 in.48.26 mm1.750 in.0.075 in.
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