Enter the aquarium length (in), the aquarium width (in), and the aquarium depth (in) into the Aquarium Volume Calculator. The calculator will evaluate and display the Aquarium Volume. 

Aquarium Volume Formula

The following formula is used to calculate the Aquarium Volume. 

AV = AL * AW * WD /231

  • Where AV is the Aquarium Volume (gallons)
  • AL is the aquarium length (in) 
  • AW is the aquarium width (in) 
  • WD is the aquarium depth (in) 

How to Calculate Aquarium Volume?

The following example problems outline how to calculate Aquarium Voume.

Example Problem #1

  1. First, determine the aquarium length (in).
    1. The aquarium length (in) is given as 20.
  2. Next, determine the aquarium width (in). 
    1. The aquarium width (in) is calculated as: 15.
  3. Next, determine the aquarium depth (in). 
    1. The aquarium depth (in) is found to be: 15.
  4. Finally, calculate the Aquarium Volume using the formula above: 

AV = AL * AW * WD /231

Inserting the values from above yields: 

AV = 20* 15 * 15 /231 = 19.48 (gallons)


Example Problem #2

The variables needed for this problem are provided below:

aquarium length (in) = 16

aquarium width (in) = 18

aquarium depth (in) = 10

Entering these values and solving gives:

AV = 16 * 18 * 10 /231 = 12.467 (gallons)