Construction Monkey

Electrical Transformer Calculation

3D Labor Projections

Electrical Transformer Calculator

The Construction Monkey Transformer Calculator lets you figure out electrical characteristics of your system given a specific transformer size. By inputting the primary and secondary electrical system characteristics and the transformer properties Construction Monkey will calculate the disconnect size and feeder size for both the primary and secondary.

Make your selections below and the form will automatically update the values.

Enter Information

Primary Side of Transformer


Transformer Information

Primary Configuration:
Transformer Size:
Secondary Configuration:

Seconday Side of Transformer


Wire Properties


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

Rough Visualization

Transformer Transformer Ground: 
Construction Monkey

3D Labor Projections

Labor Forecasts that include three (3) scientific data points: Remaining Hours, Jobsite Productivity Performance, and Qualified Expert Opinions. These are combined utilizing our proprietary algorithm to provide you with the most probable forecasted labor hours.

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.