Earth Mat Design Calculator – A Complete 100% Free IEEE 80 Tool November 23, 2025January 30, 2025 by Surya Touch and Step Potential Calculator Surface Gravel Resistivity (Ω·m): Soil Resistivity (Ω·m): Surface Thickness (m): Short Circuit Current (in kA): Ambient Temperature (in °C): Fault Duration (seconds): Select Material: Steel (2010) Stainless Clad Steel Rod Consider Corrosion of Buried Conductor (in %): Diameter of Selected Conductor (in mm): Length of the Switchyard (m): Breadth of the Switchyard (m): Spacing Between Conductors (m): Number of Electrodes: Depth of the Earthing Grid (m): Decrement Factor (Df): Calculate Calculating... Please wait.
