The weight is calculated by multiplying the specific material density—like steel, aluminum, or stainless steel—by the volume of the tray structure. To convert to weight per foot, divide the weight per meter by 3. Engineering Conclusion: Sizing a 6m run of galvanized steel ladder tray under this worked example yields a dead load of 28. Now, let's look at the specifics of Cable Tray Weight Calculation for each tray type. Channel trays are. Estimate cable tray self weight quickly for planning and procurement accurately. Export results instantly for schedules, submittals, and field checks. Ladder tray is a practical approximation. Fill percentage is checked from cable outside diameter so you can compare cross-sectional packing against side rail depth. This comprehensive guide provides engineers, contractors, and buyers with an indispensable resource, offering detailed methodologies for weight.