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Motor Full Load Current Calculator

Calculate the full load current (FLA) drawn by a single-phase or three-phase AC motor from its horsepower, voltage, efficiency, and power factor. Used for selecting fuses, breakers, wire gauges, and motor starters.

Motor Horsepower (HP)

Motor Voltage

Motor Efficiency (%)

Power Factor

Number of Phases

Fill in the required fields to see your result.

Electrical

Electrical Panel Load Calculator

Estimate the total ampere demand on an electrical panel by applying NEC-style load factors to lighting, receptacle, appliance, and motor circuits, then check it against the panel's main breaker rating. Ideal for panel schedule design, load additions, and service upgrade evaluations.

Panel Main Breaker Rating

Lighting Circuit Load (W)

Receptacle Circuit Load (W)

Appliance Circuit Load (W)

Motor Circuit Load (W)

Panel Voltage

Fill in the required fields to see your result.

Key differences

	Motor Full Load Current Calculator	Electrical Panel Load Calculator
Category	Electrical	Electrical
Inputs required	5	6
Result	Full Load Current (A)	Calculated Panel Load (A)
What it does	Calculate the full load current (FLA) drawn by a single-phase or three-phase AC motor from its horsepower, voltage, efficiency, and power factor. Used for selecting fuses, breakers, wire gauges, and motor starters.	Estimate the total ampere demand on an electrical panel by applying NEC-style load factors to lighting, receptacle, appliance, and motor circuits, then check it against the panel's main breaker rating. Ideal for panel schedule design, load additions, and service upgrade evaluations.