Electrical / Electronics
Cable power loss
Helper calculation for cable power loss from current and resistance; it is not an allowable-load assessment.
Related calculators
DC two-wire voltage drop
Helper calculation for DC voltage drop from current, resistance per meter and length; it is not standards-based conductor sizing.
Cable resistance from resistivity
Calculates resistance of a uniform conductor from resistivity, length, and cross-sectional area.
DC power from current and resistance
Calculates DC power from current and resistance.
AWG wire resistance and mass
Calculates AWG geometry, resistance, metal mass, and optional voltage drop and power loss.
Cable current density
Calculates current density as current divided by cross-sectional area.
Theoretical DC voltage drop
Calculates approximate voltage drop for a simple DC circuit with outgoing and return conductors.