Pipe Size - Nominal

1 1/2 in
1 1/4 in
1 in
1"
1-1/2"
1-1/4"
1/2 in
1/2"
1/4 in
1/4"
1/8 in
1/8"
2 1/2 in
2 in
2"
2-1/2"
3 in
3"
3/4 in
3/4"
3/8 in
3/8"
4 in
4"
6 in