logo logo

How Much Does Water Weigh Per Cubic Foot

Answer a gallon of water at room temperature weighs 8 poundseight of water per gallon the most widely accepted simple scientific answer to this question is that a gallon of room temperature water weighs 8 poundshats more, if water is heated from room temperature, 70f to its boiling point of 212f, it will weigh 76 pounds, losing 3 pounds1.