Transmission Line Parameters Calculator Transmission Line Parameters Calculator Transmission Line Parameters Calculator Single (1) or Three Phase (3): Distance between conductors (meters): Conductor radius (meters): Symmetrical (4) or Unsymmetrical (5): Distance between conductors (meters): Conductor radius (meters): Distance between conductor 1 and 2 (meters): Distance between conductor 2 and 3 (meters): Distance between conductor 3 and 1 (meters): Conductor radius (meters): Calculate Parameters