Diameter converter according to various standards
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Telephone. 32 200 00 40
Telephone. 32 630 50 30
bok@cromostal.pl
Chrome – Steel Ltd.
19 Pod Młynem Street
40-313 Katowice
| DN | ISO [mm] | CAL | DIN [mm] | METR [mm] | DIN 11850 [mm] | SMS [mm] |
| 6 | 10,0 | 1/8 inch” | ||||
| 8 | 13,5 | 1/4” | ||||
| 10 | 17,2 | 3/8” | 14,0 | 10,0 | 10,0 | |
| 15 | 21,3 | ½ inch” | 20,0 | 18,0 | 18,0 | |
| 20 | 26,9 | three-quarters of an inch” | 25,0 | 23,0 | 22,0 | |
| 25 | 33,7 | 1” | 30,0 | 28,0 | 28,0 | 25,0 |
| 32 | 42,4 | 1 ¼ inches” | 38,0 | 35,0 | 34,0 | 32,0 |
| 40 | 48,3 | 1 ½ inches” | 44,5 | 43,0 | 40,0 | 38,0 |
| 50 | 60,3 | 2” | 57,0 | 54,0 | 52,0 | 51,0 |
| 63 | 63,5 | |||||
| 76 | 76,1 | |||||
| 65 | 76,1 | 2 ½ inches” | 76,1 | 69,0 | 70,0 | |
| 80 | 88,9 | 3 inches” | 88,9 | 84,0 | 85,0 | |
| 100 | 114,3 | 4 inches” | 108,0 | 104,0 | 104,0 | 101,6 |
| 125 | 139,7 | 5” | 133,0 | 129,0 | 129,0 | 129,0 |
| 150 | 168,3 | 6 inches” | 159,0 | 154,0 | 154,0 | |
| 200 | 219,1 | 8 inches” | 216,0 | 2074,0 | 204,0 | |
| 250 | 273,0 | 10” | 267,0 | 254,0 | 254,0 | |
| 300 | 323,9 | 12 inches” | 318,0 | 304,0 | 304,0 | |
| 350 | 355,6 | 14” | 368,0 | 354,0 | 354,0 | |
| 400 | 406,4 | 16” | 419,0 | |||
| 450 | 457,2 | 18 inches” | 459,0 | |||
| 500 | 508,0 | 20” | 521,0 | |||
| 600 | 609,6 | 24 inches” | 622,0 | |||
| 700 | 711,2 | 28” | 720,0 | |||
| 800 | 812,8 | 32” | 820,0 | |||
| 900 | 914,4 | 36” | 920,0 | |||
| 1000 | 1016,0 | 40” | 1020,0 |
Mon – Polish Standard
AISI American Iron and Steel Institute
Hello – European Standard 10088
DIN – German Industrial Standard
GOST – State Standard