Copper gutters are typically between 0.5 and 2.0 pounds per square foot, depending on the size and type of gutters. Gutters that are 68 inches wide by 88 inches long by 2 inches deep typically weigh 0.8 to 1.6 pounds per square foot. Gutters that are 96 inches wide by 108 inches long by 2 inches deep typically weigh 1.2 to 1.8 pounds per square foot.