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What is the weight of 40 gallons of water?


Henry Johnson, Plumbing Expert

Forty gallons of water weigh approximately 334 pounds (151 kilograms). This is based on the fact that one gallon of water weighs about 8.34 pounds (3.785 kilograms). When considering water weight for various applications, it’s essential to take into account the structural support needed. If you have any water-related questions or concerns, the specialists at 5 Star Plumbing are ready to assist with all your plumbing needs.

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