英制無縫鋼管常用英寸與毫米換算對照表
英寸與毫米換算公式:①1英寸(in)=25.400毫米(mm);②1毫米(mm)=0.0394英寸(in)。
英寸 |
0 |
1/16 |
1/8 |
3/16 |
1/4 |
5/16 |
3/8 |
7/16 |
0 |
毫米 |
1.588 |
3.175 |
4.763 |
6.350 |
7.938 |
9.525 |
11.113 |
1 |
25.400 |
26.988 |
28.575 |
30.163 |
31.750 |
33.338 |
34.925 |
36.513 |
2 |
50.800 |
52.388 |
53.975 |
55.563 |
57.150 |
58.738 |
60.325 |
61.913 |
3 |
76.200 |
77.788 |
79.375 |
80.963 |
82.550 |
84.138 |
85.725 |
87.313 |
4 |
101.60 |
103.19 |
104.78 |
106.36 |
107.95 |
109.54 |
111.13 |
112.71 |
5 |
127.00 |
128.59 |
130.18 |
131.76 |
133.35 |
134.94 |
136.53 |
138.11 |
6 |
152.40 |
153.99 |
155.58 |
157.16 |
158.75 |
160.34 |
161.93 |
163.51 |
7 |
177.80 |
179.39 |
180.98 |
182.56 |
184.15 |
185.74 |
187.33 |
188.91 |
8 |
203.20 |
204.79 |
206.38 |
207.96 |
209.55 |
211.14 |
212.73 |
214.31 |
9 |
228.60 |
230.19 |
231.78 |
233.36 |
234.95 |
236.54 |
238.13 |
239.71 |
10 |
254.00 |
255.59 |
257.18 |
258.76 |
260.35 |
261.94 |
263.53 |
265.11 |
11 |
279.40 |
280.99 |
282.58 |
284.16 |
285.75 |
287.34 |
288.93 |
290.51 |
12 |
304.80 |
306.39 |
307.98 |
309.56 |
311.15 |
312.74 |
314.33 |
315.91 |
13 |
330.20 |
331.79 |
333.38 |
334.96 |
336.55 |
338.14 |
339.73 |
341.31 |
14 |
355.60 |
357.19 |
358.78 |
360.36 |
361.95 |
363.54 |
365.13 |
366.71 |
15 |
381.00 |
382.59 |
384.18 |
385.76 |
387.35 |
388.94 |
390.53 |
392.11 |
16 |
406.40 |
407.99 |
409.58 |
411.16 |
412.75 |
414.34 |
415.93 |
417.51 |
17 |
431.80 |
433.39 |
434.98 |
436.56 |
438.15 |
439.74 |
441.83 |
442.91 |
18 |
457.20 |
458.79 |
460.38 |
461.96 |
463.55 |
465.14 |
466.73 |
468.31 |
19 |
482.19 |
484.19 |
485.78 |
487.36 |
488.95 |
490.54 |
492.13 |
493.71 |
20 |
508.00 |
509.59 |
511.18 |
512.76 |
514.35 |
515.94 |
517.53 |
519.11 |
21 |
533.40 |
534.99 |
536.58 |
538.16 |
539.75 |
541.34 |
542.93 |
544.51 |
22 |
558.80 |
560.39 |
561.98 |
563.56 |
565.16 |
566.74 |
568.73 |
569.91 |
23 |
584.20 |
585.79 |
587.38 |
588.96 |
590.55 |
592.14 |
593.73 |
595.31 |
24 |
609.60 |
611.19 |
612.78 |
614.36 |
615.95 |
617.54 |
619.13 |
620.71 |
25 |
635.00 |
636.59 |
638.18 |
639.76 |
641.35 |
642.94 |
644.53 |
646.11 |
英寸 |
1/2 |
9/16 |
5/8 |
11/16 |
3/4 |
13/16 |
7/8 |
15/16 |
0 |
12.700 |
14.288 |
15.875 |
17.463 |
19.050 |
20.638 |
22.225 |
23.813 |
1 |
38.100 |
39.688 |
41.275 |
42.863 |
44.450 |
46.038 |
47.625 |
49.213 |
2 |
63.500 |
65.088 |
66.675 |
68.263 |
69.850 |
71.438 |
73.025 |
74.613 |
3 |
83.900 |
90.488 |
92.075 |
93.663 |
95.250 |
96.838 |
98.425 |
100.01 |
4 |
114.30 |
115.89 |
117.48 |
119.06 |
120.65 |
122.24 |
123.83 |
125.41 |
5 |
139.70 |
141.29 |
142.88 |
144.46 |
146.05 |
147.64 |
149.23 |
150.81 |
6 |
165.10 |
166.69 |
168.28 |
169.86 |
171.45 |
173.04 |
174.63 |
176.21 |
7 |
190.50 |
192.09 |
193.68 |
195.26 |
196.85 |
198.44 |
200.03 |
201.61 |
8 |
215.90 |
217.49 |
219.08 |
220.66 |
222.25 |
223.84 |
225.43 |
227.01 |
9 |
241.30 |
242.89 |
244.48 |
246.06 |
247.65 |
249.24 |
250.83 |
252.41 |
10 |
266.70 |
268.29 |
269.88 |
271.46 |
273.05 |
274.64 |
276.23 |
277.81 |
11 |
292.10 |
293.69 |
295.28 |
296.86 |
298.45 |
300.04 |
301.63 |
303.21 |
12 |
317.50 |
319.09 |
320.68 |
322.26 |
323.85 |
325.44 |
327.03 |
328.61 |
13 |
342.90 |
344.49 |
346.08 |
347.66 |
349.25 |
350.84 |
352.43 |
354.01 |
14 |
368.30 |
369.89 |
371.48 |
373.06 |
374.65 |
376.24 |
377.83 |
379.41 |
15 |
393.70 |
395.29 |
396.88 |
398.46 |
400.05 |
401.64 |
403.23 |
404.81 |
16 |
419.10 |
420.69 |
422.28 |
423.86 |
425.45 |
427.04 |
428.63 |
430.21 |
17 |
444.50 |
446.09 |
447.68 |
449.26 |
450.85 |
452.44 |
454.03 |
455.61 |
18 |
469.90 |
471.49 |
473.08 |
474.66 |
476.25 |
477.84 |
479.43 |
481.01 |
19 |
495.30 |
496.89 |
498.48 |
500.06 |
501.65 |
503.24 |
504.83 |
506.41 |
20 |
520.70 |
522.29 |
523.88 |
525.46 |
527.05 |
528.64 |
530.23 |
531.81 |
21 |
546.10 |
547.69 |
549.28 |
550.86 |
552.45 |
554.04 |
555.63 |
557.21 |
22 |
571.50 |
573.09 |
574.68 |
576.26 |
577.85 |
579.44 |
581.03 |
582.61 |
23 |
596.90 |
598.49 |
600.08 |
601.66 |
603.25 |
604.84 |
606.43 |
608.01 |
24 |
622.30 |
623.89 |
625.48 |
627.06 |
628.65 |
630.24 |
631.83 |
633.41 |
25 |
647.70 |
649.29 |
650.88 |
652.46 |
654.05 |
655.64 |
657.23 |
658.81 |
續表
英寸 |
0 |
1/16 |
1/8 |
3/16 |
1/4 |
5/16 |
3/8 |
7/16 |
26 |
660.40 |
661.99 |
663.58 |
665.16 |
666.75 |
668.34 |
669.93 |
671.51 |
27 |
685.80 |
687.39 |
688.98 |
690.56 |
692.56 |
693.74 |
695.33 |
696.91 |
28 |
736.60 |
738.19 |
739.78 |
741.36 |
742.95 |
744.54 |
746.13 |
747.71 |
29 |
736.60 |
738.19 |
739.78 |
741.36 |
742.95 |
744.54 |
746.13 |
747.31 |
30 |
762.00 |
763.59 |
765.18 |
766.76 |
768.35 |
769.94 |
771.53 |
773.11 |
31 |
787.40 |
788.99 |
790.58 |
792.16 |
793.75 |
795.34 |
796.93 |
798.51 |
32 |
812.80 |
814.39 |
815.98 |
817.56 |
819.15 |
820.74 |
822.33 |
823.91 |
33 |
838.20 |
839.79 |
841.38 |
842.96 |
844.55 |
846.14 |
847.73 |
849.31 |
34 |
863.60 |
865.19 |
866.78 |
868.36 |
869.95 |
871.54 |
873.13 |
874.71 |
35 |
889.00 |
890.59 |
892.18 |
893.76 |
895.35 |
896.94 |
898.53 |
900.11 |
36 |
914.40 |
915.99 |
917.58 |
919.16 |
900.75 |
922.34 |
923.93 |
925.51 |
37 |
939.80 |
941.39 |
942.98 |
944.56 |
946.15 |
947.74 |
949.33 |
950.91 |
38 |
965.20 |
966.79 |
968.38 |
969.96 |
971.55 |
973.14 |
974.73 |
976.31 |
39 |
990.60 |
992.19 |
993.78 |
995.36 |
996.95 |
998.54 |
1000.1 |
1001.7 |
40 |
1016.0 |
1017.6 |
1019.2 |
1020.8 |
1022.4 |
1023.9 |
1025.5 |
1027.1 |
41 |
1041.4 |
1043.0 |
1044.6 |
1046.2 |
1047.8 |
1049.3 |
1050.9 |
1052.5 |
42 |
1066.8 |
1068.4 |
1070.0 |
1071.6 |
1073.2 |
1074.7 |
1076.3 |
1077.9 |
43 |
1092.2 |
1093.8 |
1095.4 |
1097.0 |
1098.6 |
1100.1 |
1101.7 |
1103.3 |
44 |
1117.6 |
1119.2 |
1120.8 |
1122.4 |
1124.0 |
1125.5 |
1127.1 |
1128.7 |
45 |
1143.0 |
1144.6 |
1146.2 |
1147.8 |
1149.4 |
1150.9 |
1152.5 |
1154.1 |
46 |
1168.4 |
1170.0 |
1171.6 |
1173.2 |
1174.8 |
1176.3 |
1177.9 |
1179.5 |
47 |
1193.8 |
1195.4 |
1197.0 |
1198.6 |
1200.2 |
1201.7 |
1203.3 |
1204.9 |
48 |
1219.2 |
1220.8 |
1222.4 |
1224.0 |
1225.6 |
1227.1 |
1228.7 |
1230.3 |
49 |
1244.6 |
1246.2 |
1247.8 |
1249.4 |
1251.0 |
1252.5 |
1254.1 |
1255.7 |
50 |
1270.0 |
1271.6 |
1273.2 |
1274.8 |
1276.4 |
1277.9 |
1279.5 |
1281.1 |
英寸 |
1/2 |
9/16 |
5/8 |
11/16 |
3/4 |
13/16 |
7/8 |
15/16 |
26 |
673.10 |
674.69 |
676.28 |
677.86 |
679.45 |
681.04 |
682.63 |
684.21 |
27 |
698.50 |
700.09 |
701.68 |
703.26 |
704.85 |
706.44 |
708.03 |
709.01 |
28 |
723.90 |
725.49 |
727.08 |
728.66 |
730.25 |
731.84 |
733.43 |
735.01 |
29 |
749.30 |
750.89 |
752.48 |
754.06 |
755.65 |
757.24 |
758.83 |
760.41 |
30 |
774.70 |
776.29 |
777.88 |
779.46 |
781.05 |
782.64 |
784.23 |
785.81 |
31 |
800.10 |
801.69 |
803.28 |
804.86 |
806.45 |
808.04 |
809.63 |
811.21 |
32 |
825.50 |
827.09 |
828.68 |
830.26 |
831.85 |
833.44 |
835.03 |
836.61 |
33 |
850.90 |
852.49 |
854.08 |
855.66 |
857.25 |
858.54 |
860.43 |
862.01 |
34 |
876.30 |
877.89 |
879.48 |
881.06 |
882.65 |
884.24 |
885.83 |
887.41 |
35 |
901.70 |
903.29 |
904.88 |
906.46 |
908.05 |
909.64 |
911.23 |
912.81 |
36 |
927.10 |
928.69 |
930.28 |
931.86 |
933.45 |
935.04 |
936.03 |
938.21 |
37 |
952.50 |
954.09 |
955.68 |
957.26 |
958.85 |
960.44 |
962.03 |
963.61 |
38 |
977.90 |
979.49 |
981.08 |
982.66 |
984.25 |
985.84 |
987.43 |
989.01 |
39 |
1003.0 |
1004.9 |
1006.5 |
1008.1 |
1009.7 |
1011.2 |
1.12.8 |
1014.4 |
40 |
1028.7 |
1030.3 |
1031.9 |
1033.5 |
1035.1 |
1036.6 |
1038.2 |
1039.8 |
41 |
1054.1 |
1055.7 |
1057.3 |
1058.9 |
1060.5 |
1062.0 |
1063.6 |
1065.2 |
42 |
1079.5 |
1081.1 |
1082.0 |
1084.3 |
1085.9 |
1087.4 |
1089.0 |
1090.6 |
43 |
1104.9 |
1106.5 |
1108.1 |
1109.7 |
1111.3 |
1112.8 |
1114.4 |
1116.0 |
44 |
1130.3 |
1131.9 |
1133.5 |
1135.1 |
1136.7 |
1138.2 |
1139.8 |
1141.4 |
45 |
1155.7 |
1157.3 |
1158.9 |
1160.5 |
1162.1 |
1163.6 |
1165.2 |
1166.8 |
46 |
1181.1 |
1182.7 |
1184.3 |
1185.9 |
1187.5 |
1189.0 |
1190.6 |
1192.2 |
47 |
1206.5 |
1208.1 |
1209.7 |
1211.3 |
1212.9 |
1214.4 |
1216.0 |
1217.6 |
48 |
1231.9 |
1233.5 |
1235.1 |
1236.7 |
1238.3 |
1239.8 |
1241.4 |
1243.0 |
49 |
1257.3 |
1258.9 |
1260.5 |
1262.1 |
1263.7 |
1265.2 |
1266.8 |
1268.4 |
50 |
1282.7 |
1284.3 |
1285.9 |
1287.5 |
1289.1 |
1290.6 |
1292.2 |
1293.8 |
注:舉例說明:查1 1/2英寸對應的毫米數,在左側豎欄中查到1,在上方橫欄中查到1/2,則橫豎相交處的數字38.100即為所求數值。