Shirlie is a fish and also aquarium lover with 16 years of experience writing ~ above the object of raising and keeping fish at home.

You are watching: 55 gallon fish tank weight with water


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Dr. Nick Saint-Erne has functioned in vet hospitals treating a selection of animals, consisting of zoo animals and exotic pets for over 35 years. Dr. Saint-Erne is is component of The Spruce Pets' veterinary testimonial board.
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tiny Aquariums

Contrary come what you could think, little aquariums space not recommended for beginners. These little environments have the right to be an extremely temperamental, therefore a tiny change in the chemistry that the water, favor ammonia or pH changes, have the right to have a huge impact.


If you perform decide to keep a tiny fish tank, store in mind that it will have actually a much smaller biofiltration capacity, so that is essential that you carry out not overstock it v too plenty of fish. Also, since it is together a perceptible environment, great filtration is absolutely vital for small tanks.


Small AquariumsTank SizeL x W x HEmpty WeightFilled Weight2.5-gallon5-gallon10-gallon (leader)15-gallon15-gallon (high)
12" x 6" x 8"3 lbs.27 lbs.
16" x 8" x 10"7 lbs.62 lbs.
20" x 10" x 12"11 lbs.111 lbs.
24" x 12" x 12"21 lbs.170 lbs.
20" x 10" x 18"22 lbs.170 lbs.
Sizes and also weights of aquariums as much as 15 gallons

Mid-Sized Aquariums

These space the aquariums that are most regularly recommended because that beginners. Noþeles in the 20- to 40- gallon selection has a sufficient volume that will minimize harmful effects due to chemistry alters in the water and also will be large enough to take care of a nice stock of fish.


Also, these tanks room not so large that cleaning will certainly be difficult. This is important due to the fact that many civilization who are brand-new to aquariums find that maintaining up v maintenance shortly becomes overwhelming. Overall, the mid-sized tanks are a nice, manageable size.


Medium AquariumsTank SizeL x W x HEmpty WeightFilled Weight20-gallon (high)20-gallon (long)25-gallon29-gallon30-gallon (breeder)40-gallon (breeder)40-gallon (long)
24" x 12" x 16"25 lbs.225 lbs.
30" x 12" x 12"25 lbs.225 lbs.
24" x 12" x 20"32 lbs.282 lbs.
30" x 12" x 18"40 lbs.330 lbs.
36" x 18" x 12"48 lbs.348 lbs.
36" x 18" x 16"58 lbs.458 lbs.
48" x 12" x 16"55 lbs.455 lbs.
20 come 40 gallon capacity

big Aquariums

The bigger the aquarium, the much more fish you have the right to stock. That is a decided advantage, however it also means that friend will need to work harder to keep these tanks. You also have come be pertained to with tanks of this size when it concerns weight once filled. You need to make sure your floor and also cabinet deserve to handle such hefty loads. Owner of very huge tanks may even uncover that floor combine is important to support a pack that is in overabundance of one ton.


Bigger tanks have a good appeal, particularly when you want to create a diverse aquarium. However, you additionally need to take into consideration the tank's scale in relation to the room and also its surroundings. Is there enough room because that hoses and accessories between the tank and wall? Is that a high-traffic room? room there an are constraints that might lead to crashes and damaged glass? do you have actually shelves overhanging the tank that may fall down and also create one emergency for your fish? these are vital questions to ask prior to making such a far-ranging investment with your time and also money.


Large AquariumsTank SizeL x W x HEmpty WeightFilled Weight50-gallon55-gallon65-gallon75 gallon90-gallon125-gallon150-gallon180-gallon
36" x 18" x 19"100 lbs.600 lbs.
48" x 13" x 21"78 lbs.625 lbs.
36" x 18" x 24"126 lbs.772 lbs.
48" x 18" x 21"140 lbs.850 lbs.
48" x 18" x 24"160 lbs.1050 lbs.
72" x 18" x 21"206 lbs.1400 lbs.
72" x 18" x 28"308 lbs.1800 lbs.
72" x 24" x 25"338 lbs.2100 lbs.
50 gallons and also larger sizes

Calculating weight of Custom-Shaped Tanks

In enhancement to straightforward rectangles, fish tanks might be in the form of hexagons, pentagons, or also cylinders. If you space buying such a tank, the volume in gallons will already be specified and also you can use the charts over to calculation the empty and also full weight of the tank. A 50-gallon fish tank will have the very same weight dimensions whether it is rectangular, hexagonal, or cylindrical in shape.

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But if you room buying or have been offered a supplied tank and also do not recognize the gallon size, calculating the gallon volume and also weight the the tank is really simply a issue of an initial calculating the cubic customs of volume. The vital measure come know:


If you deserve to determine the volume of any kind of tank in cubic inches, then it is easy sufficient to translate that right into a gallon capacity. Once you've established the gallon capacity, usage the charts over to calculation the empty and also full weight of the tank.


To identify volume requires a tiny math. The volume the a tank is figured out by first figuring out the area of the base shape in square inches, climate multiplying this by the height. The easiest way to carry out this is to map out out the form of the base, then divide it into shapes that have locations that can conveniently be calculated. Because that example, a hexagon have the right to be divided into rectangles and also triangles. Calculation the area the each form in inches and then add them together to number the area the the tank's base shape. Multiply this number through the height of the tank to calculate the total volume in cubic inches. Next, division the full cubic-inch volume by 231 to uncover the gallon capacity of the tank. Finally, uncover a matching gallon volume in the charts over to discover the approximate load for her tank.