Calculator and electrical conversions

VFD Power Rating (HP or kW) Calculator – NEC

Calculate VFD power ratings in HP or kW quickly and accurately with our NEC-compliant calculator for efficient motor drive sizing.

Calculate the nominal current of VFDs accurately using NEC guidelines with our easy-to-use VFD calculator for safe and compliant electrical design.

Calculate the maximum number of bends allowed in conduit runs per NEC guidelines quickly and accurately with this easy-to-use calculator tool.

Calculate free space in conduits for easier wire installation per NEC standards with this quick, accurate, and free online calculator tool.

Calculate conduit internal diameter with thermal expansion for IEC and NEC standards. Ensure accurate sizing for safe electrical installations.