Construction Monkey

Electrical Motor Calculation

Improve Productivity

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.

Enter Motor Information



Enter information and click on the "Calculate" button to get the results.

Motor Circuit

Construction Monkey

Improve Productivity

Track. Understand. Improve.

  • Smash Budgets with Daily Production Goals.
  • Know Productivity Gains/Losses Immediately.
  • Forecast Labor More Accurately with Productivity Data.
  • Plan Better with Real-Time Project Productivity.
  • Improve Estimates with Productivity Data from the Field.

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.