How much does water weigh per gallon?

Water weighs approximately 8.34 pounds per gallon at room temperature. This value is widely accepted and used in various applications, including fire service calculations, where understanding the weight of water is crucial for determining the capacity of tanks, hoses, and other firefighting equipment.

Knowing the weight of water enables firefighters to accurately assess the potential impact of water on structures and aids in calculating the total weight that needs to be managed when using water as a firefighting agent. The ability to rely on this standard weight helps ensure safe and effective firefighting operations.