This tool estimates tray self-weight from material density and an approximate metal volume. For solid and perforated trays, it treats the tray as a formed sheet: Developed sheet width per meter: Dev = W + 2H + 2R Metal volume per meter: V = Dev × t × 1 × (1 − Open%). Estimate cable tray self weight quickly for planning and procurement accurately. Export results instantly for schedules, submittals, and field checks. Density values are typical engineering references. In this guide, we'll walk you through the step-by-step process for calculating cable tray weight, while providing examples for both channel trays and ladder trays. All illustrations, descriptions and technical information included in this document are provided as indications and can cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. Mita, now Schneider Electric, is a specialist in the development and production of cable management systems. Eaton's B-Line series wide cable trays use stronger rungs to safely bear the loads published (only our 42 and 48-inch widths require load reductions).