That's a great and practical question! The weight of an empty metal trash bin you see on city streets or behind restaurants can vary quite a bit. There isn't one universal weight, as it depends heavily on the bin's size, design, and material thickness.
A typical rectangular public litter bin, like those bolted to a post, might weigh between 15 to 30 pounds (7 to 14 kg) when empty. They are usually made from lighter-gauge galvanized steel or aluminum.
For larger commercial "dumpsters" or roll carts, the weight increases significantly. A common 2-cubic-yard metal roll cart can weigh 80 to 120 pounds (36 to 54 kg) empty. A heavy-duty 4-cubic-yard front-load dumpster can easily weigh 300 to 500 pounds (136 to 227 kg) or more due to its thick steel construction, reinforced edges, and lifting mechanisms.
The primary factors are:
* Size/Capacity: Measured in cubic yards, this is the biggest factor.
* Gauge/Thickness: Thicker steel (lower gauge number) adds substantial weight.
* Features: Lids, wheels, lifting bars, and reinforced corners all contribute.
* Material: Most are galvanized steel, but some are made from lighter aluminum or plastic-coated steel.
So, while a small street bin is manageable for one person to move empty, a large commercial dumpster is extremely heavy and requires specialized equipment to handle. Always use proper lifting techniques or mechanical aid if you need to move one.