Calculation Tools For Aquarium And Water Filters Imperial System

4 november 2019

When you have a aquaria or a water filter then sometimes you might need to calculate things like the volume of your aquarium, the volume of a filter or the pump capacity. We made the following  support tools to help.


  • Aquarium volume (square) and pump capacity calculator
  • Filter volume calculator (Cylinder)
  • Media volume in filter calculator


For the same in cm, m3 and m3/h press here: calculation tool 2

Aquarium volume and pump capacity calculator

Do you want to calculate the volume of an square shaped aquarium and the pump capacity that you could use? Then use below calculation tool.

Length (inch)
Width (inch)
Heigth (inch)
Aquarium Volume in Cubic Inches
Aquarium Volume in U.S. Gallons
Pump capacity (4x) in U.S. Gallon per hour (GPH)

Filter volume calculator

When you have a cylindrical filter for purification of your pool or aquarium then it is useful to be able to calculate the volume of your filter with below calculation tool.

Filter Radius (Inch)
Filter Height (Inch)
Filter Volume in Cubic Feet (Ft3)
Filter Volume in US Gallons

Filter Media Volume Calculator

When you need to replace you filter media (sand, resins or carbon) it is good to know how much you need to purchase. One thing is to focus on the price and buy cheap carbon, cheap resins or cheap media, another thing is to buy the right quantity. With the volume of your filter (see above tool) and the density of the media you can calculate how much media you need for your aquaria, pond or pool filter for example.

Filter Volume in cubic feet
Density of filtration media (lb/ft3)
Lb Filter Media (Lb)
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