kVA Tools – Electrical Design Calculators

  • Designed for residential, commercial, and industrial applications
  • Simplifies low-voltage design, wiring, and load analysis
  • Maximum adherence to IEEE, IEC, NEC, and NEMA standards
  • Free and ad-free alternative to costly alternatives
  • Emphasis on precision and accuracy
  • Documentation of all calculation methodologies
  • Declared assumptions and limitations for each tool
  • Tailored for designers, electricians, and engineers
Tool Description
Arc Flash Calculator Calculate arc flash incident energy and boundary distances for low and medium-voltage electrical systems per IEEE 1584-2018.
Battery Sizing Calculator – IEEE 485 Size lead-acid batteries for stationary applications per IEEE 485-2020.
Battery Sizing Calculator – IEEE 1013 Size lead-acid batteries for stand-alone photovoltaic applications per IEEE 1013-2019.
Cable Sizing Calculator – IEC Size cables per IEC 60364-5-52, catering for grouping, soil, ambient temperature factors, harmonic neutral loading, voltage drop, and other variables.
Cable Sizing Calculator – NEC Size conductors per NEC Article 310 using ampacity tables, temperature, material, power factor, voltage drop check, equipment grounding conductor sizing, and other variables.
Transformer Load Gauge Approximate the kVA loading on an energized transformer bank based on field-measured secondary voltages and line currents, guided by IEEE sizing recommendations.
Transformer Sizing Calculator Produce standard IEEE transformer capacities for calculated demand based on load characteristics like power factor, diversity factor, harmonics analysis, and motor starting characteristics guided by IEEE sizing recommendations.
Voltage Drop Calculator Calculate voltage drop for single-phase and three-phase circuits using either the Impedance (R–X) Method or the NEC (K·I·L/CM) Method.