Hardware • Electrical
NEC Standards • Conductor Resistance • Ohms Law
DC Wire Gauge (AWG) Voltage Drop Calculator
Calculate DC voltage drop across copper and aluminum conductors for 12V, 24V, and 48V homelab, PoE, battery storage, and 3D printer circuits.
Electrical Circuit Specifications
Amps
Total circuit loop distance (out and return) is automatically calculated as 2 × length.
Calculated Voltage Drop
4.4%
(0.53 V)
Safe for Non-Critical Loads (< 5%)
Voltage at Load Device:
11.47 V
Total Loop Resistance (2x):
0.053 Ω
Power Lost in Cable as Heat:
5.3 W
Total Circuit Power:
120.0 W