Plate Weight Calculator: How to Calculate MS Plate Weight Calculating the weight of a steel plate is an important task in fabrication, manufacturing, structural engineering and material planning. Knowing the approximate plate weight helps engineers estimate material requirements, transportation loads, lifting requirements and project costs. This guide explains the MS plate weight formula and includes a simple plate weight calculator that you can use directly on this page. Quick formula for MS steel: Plate Weight (kg) = Length (mm) × Width (mm) × Thickness (mm) × 0.00000785 MS Plate Weight Calculator Enter the plate dimensions in millimetres. The calculator uses a standard steel density of approximately 7850 kg/m³ . Length (mm) Width (mm) Thickness (mm) Calculate Plate Weight Clear Enter the dimensions and click Cal...