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Aquarium Calculators

Aquarium Weight Calculator

Full weight of a set-up aquarium, and whether the floor and stand can take it.

Enter values

Results update as you type.

Result

Total weight

272 kg

Water
180 kg
Glass
52 kg
Substrate and decor
40 kg
Floor loading
567 kg/m²
Empty weight
52 kg
Floor check
Heavy — position over a joist or check the floor structure

About the Aquarium Weight Calculator

Full weight of a set-up aquarium, and whether the floor and stand can take it.

Also known as: fish tank weight, how heavy is my aquarium, tank floor loading, aquarium stand weight.

How to use this calculator

  1. Enter water volume, glass thickness, length, width and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

weight = water (1 kg per litre) + glass + substrate + decor

Worked example

Using the values pre-filled in the calculator above:

  • Water volume = 180 litres
  • Glass thickness = 10 mm
  • Length = 120 cm
  • Width = 40 cm
  • Height = 50 cm
  • Substrate weight = 30 kg
  • Rock and decor = 10 kg

the calculator returns:

  • Total weight: 272 kg
  • Water: 180 kg
  • Glass: 52 kg
  • Substrate and decor: 40 kg