The weight of a propane tank depends on its capacity and whether it’s full or empty. Propane tanks are typically categorized by their size, often referring to pounds, which reflects the amount of propane they hold when full. A “20-pound” tank, common for grills and smaller appliances, holds approximately 20 pounds of propane. However, the tank itself has a fixed weight separate from the propane inside. This tare weight is usually stamped on the tank’s collar. A full tank’s total weight is the sum of the tare weight and the weight of the propane. For example, a common 20-pound tank might have a tare weight of 17 pounds and thus weigh 37 pounds when full.
Understanding a propane tank’s weight is crucial for safe handling and transport. Accurate weight assessment ensures users select the correct tank for their needs and avoid overloading equipment or vehicles. Furthermore, knowing the tare weight allows for precise measurement of remaining propane, preventing unexpected depletion during use. Historically, standardization of propane tank sizes and tare weights has streamlined the industry, facilitating interchangeability and safe practices across various applications, from residential grilling to industrial heating.