Earth Mat Design Calculator – A Complete 100% Free IEEE 80 Tool January 18, 2026January 30, 2025 by SuryaTouch and Step Potential CalculatorSurface 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): CalculateCalculating... Please wait.Related Posts DSLP Calculator (Direct Stroke Lightning Protection) Earth Mat Design Calculator – A Complete 100% Free IEEE 80 Tool Ohm’s Law Calculator – A Free Online Calculator for Circuits