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Wire Size - Area to Diameter Converter

Convert wire area from square mm to diameter mm.

Use the table below to convert between wire square mm and diameter mm.

Note that for the real outside diameter of a given cable - the insulation thickness must be added.

Wire Size - Area to Diameter Converter
mm2mm
0.75 1.0
1 1.1
1.5 1.4
2 1.5
2.5 1.8
4 2.3
6 2.8
10 3.6
16 4.5
25 5.6
35 6.7
50 8.0
70 9.5
95 11.0
120 12.4
150 13.8
185 15.4
240 17.5
300 19.5
400 22.6
500 25.2
630 28.3
800 31.9
1000 35.7
1200 39.1
2000 50.5

Wire - diameter mm to area square mmDownload an print mm to mm2 diagram

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