How to Calculate the Amount of Sand for an Aquarium

When you start to set up your aquarium, you can choose from a variety of different types of materials to place at the bottom. Sand is one of them. How much sand you need will depend on the size of your aquarium. You want about one or one and a half inches of sand at the bottom of your aquarium.

Things You'll Need

  • Tape measure
Show More

Instructions

    • 1

      Measure the length from one side of the aquarium to the other side. Make your measurement in feet.

    • 2

      Measure the width of the aquarium.

    • 3

      Multiply the length by the width and then multiply the result by 0.125 feet to find how many cubic feet of sand you need.