Conversion / Calculator for
Nominal Pipe Size Schedule
How to Use?
NPS
⅛
¼
⅜
½
¾
1
1¼
1½
2
2½
3
3½
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
DN
6
8
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
SCH
5
5S
10
10S
20
30
40
40S
60
80
80S
100
120
140
160
XS
XXS
STD
Result: OD×THK, Unit: mm
NPS
⅛
¼
⅜
½
¾
1
1¼
1½
2
2½
3
3½
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
DN
6
8
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
SCH
5
5S
10
10S
20
30
40
40S
60
80
80S
100
120
140
160
XS
XXS
STD
Result: OD×THK, Unit: mm
NPS
⅛
¼
⅜
½
¾
1
1¼
1½
2
2½
3
3½
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
DN
6
8
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
SCH
5
5S
10
10S
20
30
40
40S
60
80
80S
100
120
140
160
XS
XXS
STD
Result: OD×THK, Unit: mm
NPS
⅛
¼
⅜
½
¾
1
1¼
1½
2
2½
3
3½
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
DN
6
8
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
SCH
5
5S
10
10S
20
30
40
40S
60
80
80S
100
120
140
160
XS
XXS
STD
Result: OD×THK, Unit: mm
NPS
⅛
¼
⅜
½
¾
1
1¼
1½
2
2½
3
3½
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
DN
6
8
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
1100
1150
1200
SCH
5
5S
10
10S
20
30
40
40S
60
80
80S
100
120
140
160
XS
XXS
STD
Result: OD×THK, Unit: mm
