EngineerBenchElectrical calculators
Ohm’s lawEnter two known values to find voltage, current, resistance, and power.Voltage dropCalculate voltage at the load, conductor area, or maximum cable length.Wire size for voltage dropSize a conductor for a voltage-drop target or convert AWG to area.Battery runtimeEstimate runtime or the capacity needed for a target runtime.Battery-pack arithmeticCheck a series/parallel arrangement or find the cell count for a target.Shop electrical loadTotal running and startup demand from a list of equipment.Solar energy budgetEstimate array and storage size from daily energy demand.