Smash Budgets with Daily Productivity Goals
Electrical Motor Calculator
The Construction Monkey Motor calculator lets you figure out electrical characteristics
of your system given a specific motor. By inputting horsepower, motor efficiency, power factor, and system
voltage the system will calculate the disconnect size, feeder size, and starter size.
Make your selections below and the form will automatically update the values.
Results
Enter information and click on the "Calculate" button to get the results.
Notes:
1Feeder conduit is assumed to be Flex/EMT and the conductors are assumed to be copper. To get a feeder with different properties, you can utilize our
feeder calculator.
Smash Budgets with Daily Productivity Goals
Track. Understand. Improve.

Do your crews know the production goals for the day? Are they based on budget expectations and actual productivity on the project?
Let them know what's expected of them every day to help them maintain focus for peak productivity.
All of it done without any additional work on your part.
No guarantees are made as to the accuracy of the calculation or compliance with
local codes. Verify all calculations with a professional engineer. If you
find an error, or have a suggestion, please send us an email.