How much does a fifteen gallon aquarium weigh?

Answer 1

Empty and made of glass, it weighs about ten pounds. Filled with only water and made of glass, it weighs about 135 pounds. Filled with water, substrate, and decorations, it will weigh about 150 pounds. Picking up an aquarium that is filled with water is a very stupid thing to attempt. Even if you can handle the sloshing weight, the aquarium can not. If you do try to move an aquarium while full, please have a friend videotape it for YouTube. Water weighs 8.345404 per gallon.

Answer 2

The weight consideration of a home aquarium is mostly the weight of the water it will contain when full. Since 1 gallon US of water weighs approx 8.35 pounds:

10 gallons = 83.5 pounds plus the dry weight of the tank and sand

25 gallons = 208.75 pounds plus the dry weight of the tank and sand

100 gallons = 835 pounds plus the dry weight of the tank and sand

I would think that on average the tank and sand would weigh about 10% of the water weight, more or less depending upon the volume of sand and accessories you add.