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Here some the formulas to convert wire size to wire gauge:
| Table Of Definition |
| d = |
Wire diameter in mils (1 mil = 0.001 inch or 1 inch = 1000 mils) |
| Ga = |
Wire size in gauge |
| ln = |
Natural logarithm |
If the wire gauge i0 gauge or higher gauge number, use this formula right below:
To convert wire gauge into wire diameter in mils:
| d = 5 × 92 |
((36 - Ga) / 39) |
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To convert to wire diameter in mils into wire gauge:
Ga = 36 - 39 × ln (d / 5) / ln (92)
If the wire gauge number are all zeroes, use this formula right below:
| Table Of Definition Of n |
| n = 1 |
for 0 gauge |
| n = 2 |
for 00 gauge |
| n = 3 |
for 000 gauge |
| n = 4 |
for 0000 gauge |
To convert an all zero wire gauge into wire diameter in mils:
| d = 5 × 92 |
((35 + n) / 39) |
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To convert to wire diameter into mils into all zero wire gauge:
n = 39 × ln (d / 5) / ln (92) - 35
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