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Electrical / Conductors
Wire Resistance Calculator
Estimate one-conductor resistance from material, length and metric or AWG area.
Conductor
Conductor result
Wire resistance0.06896 Ω
2.5 mm² conductor area
- Resistance
- 0.06896 Ω
- Conductor area
- 2.5 mm²
- Voltage drop
- 0.6896 V
- Power loss
- 6.896 W
Resistance uses nominal 20°C resistivity for one conductor. Temperature, strand construction, joints and return-path length can increase circuit resistance.