Are you in need of electrical calculations done quickly based on
current electrical engineering practices and the National Electrical Code?
Construction Monkey has compiled several programs to assist in electrical construction,
design and engineering. We are constantly adding new calculations and improving the
existing calculations. All calculations are free to use, but please read the
Terms of Use for more specific information.
Calculates the wire and conduit size for various feeders and circuits. It also calculates
the voltage drop and allows you to limit the voltage drop so the feeder size will be increased.
Calculates the power, ampacity, feeder, and overcurrent protection on a
specific motor size and voltage. It also calculates the voltage drop of the circuit
you specified for the feeder portion.
Calculates the feeders and overcurrent protection for different types of
transformers. It also calculates the voltage drop on the primary and secondary sides of the
transformer.
The Construction Monkey Conduit Selector will provide you with the appropriate conduit size based on the number of conductors that you have to install.
Calculates the duct bank size based on the quantity of conduits, the size and type of conduit. The
calculator let's you know the amount of dirt to remove, the amount of dirt to return,
the amount of concrete for a duct bank, and the amount of left over dirt.
Calculate the manpower requirements for a project given the start and end dates, the hours, and the revenue. Based on accurate historical norms,
this can project each weeks manloading requirements as well as peak worker requirements. It also provides earned revenue projections per month.
Need to know what will happen when productivity changes on a project. This easy to use calculator provides you with the information you need to
know what changes in productivity will do to enhance your project.
Need to calculate the total hours of your install? This easy calculator will provide you with the information of total hours and a lot more information.
Easily Calculate Lost Hours on Future Work
Not only know what is impacting you and the cost to your projects now, easily forecast the number hours your projects can expect to lose if your crews continue to be impacted by conditions like other trades in the way, cluttered jobsite, weather, etc.
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.