PVC & ABS Hole Saw Chart

Pipe Size Outside Diameter Recommended Hole Size with approx 1/8” leeway
1/2" 7/8" 1"
3/4" 1" 1 1/8"
1" 1 5/16" 1 3/8" or 1 1/2"
1 1/4" 1 5/8" 1 3/4"
1 1/2" 1 7/8" 2"
2" 2 5/8" 2 7/8"
3" 3 1/2" 3 5/8"
4" 4 1/2" 4 5/8"