Electrical / Electronics
Voltage drop percent
Converts voltage drop to a percentage of nominal voltage.
Related calculators
Theoretical DC voltage drop
Calculates approximate voltage drop for a simple DC circuit with outgoing and return conductors.
Theoretical three-phase voltage drop
Calculates simplified voltage drop in a balanced three-phase system from per-length parameters.
Wire resistance
Calculates theoretical wire resistance from resistivity, length and cross-sectional area.
Manual single-phase cable sizing check
Combines load current, manually corrected Iz, voltage drop and overload-condition checks.
Manual three-phase cable sizing check
Checks a balanced three-phase system with manually provided Iz, protective-device and voltage-drop data.
Manual WLZ check
Simplified manual WLZ check using installed power and demand factor.