The calculators below can be used to calculate the volume of water in square, rectangular or cylindrical aquariums .  .

CALCULATE YOUR AQUARIUM VOLUME(Metric)

Width = cm 

Length = cm

Height = cm

Your Tank Volume is

Litres

Or if you prefer

Imperial Gallons

CALCULATE YOUR AQUARIUM VOLUME(US)

Width = inches 

Length = inches

Height = inches

Your Tank Volume is

US Gallons

Volume Calculations For Cylindrical Aquariums

CALCULATE YOUR AQUARIUM VOLUME(Metric)

Diameter = cm   

Height = cm

Your Tank Volume is

Litres

Or if you prefer

Imperial Gallons

CALCULATE YOUR AQUARIUM VOLUME(US)

Diameter = inches 

Height = inches

Your Tank Volume is

US Gallons

Heres some convertors so you can use the volume calculators