Transformer Calculations

Calculate transformer voltage regulation accurately with IEEE and IEC standards using our easy-to-use Voltage Regulation in Transformers Calculator.

Calculate transformer efficiency at full load and no load per IEEE and IEC standards with this accurate, easy-to-use online calculator.

Calculate accurate feeder cable sizing for transformers per NEC standards with our easy-to-use, reliable feeder cable sizing calculator.

Calculate transformer iron and copper losses accurately using IEC and IEEE standards with our easy-to-use Transformer Losses Calculator.

Calculate and select single-phase or three-phase transformers easily with our NEC and IEEE compliant transformer selection calculator. Accurate and fast results.