Aquarium Volume Calculator
Find out how many litres your aquarium holds.
Enter your aquarium dimensions
centimetres (cm)
centimetres (cm)
centimetres (cm)
Common aquarium sizes
🪨 Account for substrate & décor
Gravel, sand, rocks, wood and decorations reduce
the actual amount of water your aquarium holds.
ESTIMATED WATER VOLUME
54
L
54 L
GROSS VOLUME
49 L
EST. WATER
13.0
US GALLONS
60 × 30 × 30 ÷ 1,000 = 54 L
💡 Tip:
Tank manufacturers often advertise the aquarium's
gross capacity. Your actual water volume will usually
be lower once substrate, décor and the gap below the
rim are taken into account.