Pipe Inch to Meter Conversion

Written by Matt Milbury. Posted in Pipe

  • DN = Diametre Nominel - Diameter Nominal (metric)
  • NPS = Nominal Pipe Size (inches)
Pipe Size (DN)Pipe Size (NPS)
6 1/8
8 1/4
10 3/8
15 1/2
20 3/4
25 1
32 1 1/4
40 1 1/2
50 2
65 2 1/2
80 3
90 3 1/2
100 4
150 6
200 8
250 10
300 12
350 14
400 16
450 18
500 20
550 22
600 24
650 26
700 28
750 30
800 32
900 36
1000 40
1100 42
1200 48
1400 54
1500 60
1600 64
1800 72
2000 80
2200 88
Pipe Size (DN)Pipe Size (NPS)