That's an excellent question that touches on something most of us see every day but rarely think about. The weight of an empty commercial trash can isn't a single number; it varies dramatically based on the material, size, and design. However, I can give you a solid breakdown.
The most common type you see behind restaurants and stores is the standard steel dumpster, like a 2-cubic-yard model. When completely empty, these heavy-duty workhorses typically weigh between 150 to 250 pounds (68 to 113 kg). The steel construction is necessary to withstand constant use, harsh weather, and the mechanical lifting by garbage trucks.
For larger capacities, such as the 6-cubic-yard dumpsters common at apartment complexes, the empty weight can jump to 400 to 550 pounds (180 to 250 kg). These are significantly more massive due to the extra steel and reinforced framing.
You'll also find lighter alternatives. Large, wheeled commercial bins made from durable plastic are common for indoor use or lighter commercial duty. A standard 96-gallon wheeled cart, similar to what some businesses use, might only weigh 60 to 80 pounds (27 to 36 kg) when empty. While lighter, they are still surprisingly hefty to ensure durability.
So, why are they so heavy even when empty? It's all about durability. They are built to resist corrosion, endure rough handling by compaction machinery, and not get blown away or easily damaged. The empty weight is a direct reflection of their rugged, industrial-grade construction.