Automotive
Automotive required wire cross-section
Solves minimum wire cross-section for an allowed voltage drop.
Related calculators
Automotive wire voltage drop
Calculates wire voltage drop from current, loop length, cross-section, and resistivity.
Automotive wire resistance
Calculates wire resistance from loop length, cross-section, and material resistivity.
Automotive wire power loss
Calculates wire power loss from current and wire resistance.
Accessory battery runtime
Calculates accessory runtime from battery energy in Wh and load power.
Required alternator power
Calculates power from system voltage and current.
Required alternator current
Sums load current and battery charging current as required alternator current.