Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Electrical
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.
Fill in the required fields to see your result.
Electrical
Motor Starting Current Calculator
Calculate the full-load running current of a three-phase AC motor from its horsepower, voltage, and efficiency ratings. Useful for selecting circuit breakers, wire gauge, and motor starters.
Fill in the required fields to see your result.
Key differences
| Motor Full Load Current Calculator | Motor Starting Current Calculator | |
|---|---|---|
| Category | Electrical | Electrical |
| Inputs required | 5 | 4 |
| Result | Full Load Current (A) | Starting Current (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. | Calculate the full-load running current of a three-phase AC motor from its horsepower, voltage, and efficiency ratings. Useful for selecting circuit breakers, wire gauge, and motor starters. |