Quick AWG ↔ mm² lookup
| AWG | mm² | Amp (60°C) | Typical use |
|---|---|---|---|
| 22 | 0.33 | 7 A | Signal cables |
| 18 | 0.82 | 10 A | Lamp cord |
| 14 | 2.08 | 15 A | 15 A circuits |
| 12 | 3.31 | 20 A | 20 A circuits |
| 10 | 5.26 | 30 A | Geyser, AC |
| 6 | 13.3 | 55 A | Sub-panels |
Wire gauge (AWG) calculator
AWG to mm²: diameter (mm) = 0.127 × 92^((36 − AWG)/39); area = π × (d/2)². Resistance: ρ_copper × length / area. Ampacity from NEC 310 tables.
AWG
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Diameter
0 mm
Cross-section
0 mm²
Resistance / m
0 Ω/m
Total resistance
0 Ω
Voltage drop
0 V
Ampacity (60°C)
0 A
Safe for current?
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