Conduit.site Tools

Conduit Size Calculator
Calculate the proper size of electrical conduit to use, taking into account conduit type, conductor types/sizes/ampacities, and derating (due to ambient temperature and CCC count)

NEC Tables
Reference commonly used tables from the National Electric Code
Now updated for the 2020 National Electric Code!

Repeating Decimal to Fraction
Convert any repeating decimal to a fraction quickly and easily