Looking to buy a brand-new tank for her fish? possibilities are if you room a great fish owner, you know that her fish need a most room come swim roughly in. But sometimes once you space cleaning your tanks or moving them around you don’t desire to lift them due to their weight. This is whereby I can aid you.

You are watching: How much does a 100 gallon fish tank weigh

Depending top top if you space planning on purchasing a small, medium, or large-sized tank you will discover that her aquarium’s weight will vary when filled with water. As soon as buying a fish tank, considerwhatkindofattachmentscomewith specific brands.

Overall, there are plenty of components for you to think about when comparing the weight of a tank contrasted to the size.

Aquarium Weights

Here is a list of the weights that the typical fish tanks out there, therefore you can see how much your aquarium will weigh.

Tank SizeDimensionsEmpty WeightFilled Weight
2 1/2 Gallon12″ x 6″ x 8″3 lbs27 lbs
5 Gallon16″ x 8″ x 10″7 lbs62 lbs
10 Gallon20″ x 10″ x 12″11 lbs111 lbs
15 Gallon24″ x 12″ x 12″21 lbs170 lbs
15 Gallon (High)20″ x 10″ x 18″22 lbs170 lbs
20 Gallon (Long)30″ x 12″ x 12″25 lbs225 lbs
25 Gallon24″ x 12″ x 20″30-32 lbs282 lbs
29 Gallon30 1/2″ x 12 1/2″ x 18 3/4″40 lbs330 lbs
30 Gallon (Breeder)36″ x 18″ x 1245-48 lbs348 lbs
40 Gallon (Long)48″ x 12″ x 16″60 lbs455 lbs
50 Gallon 36″ x 18″ x 19″100 lbs600 lbs
75 Gallon 48″ x 18″ x 21″140 lbs850 lbs
125 Gallon72″ x 18″x 21205 lbs1250- 1400 lbs
180 Gallon 72″ x 24″x 25″400+ lbs1900- 2100 lbs
225 Gallon 72″ x 27.5″ x 27.5″400+ lbs2160+ lbs

Small Aquariums:

Before we go into specifics, we must an initial cover what one may consider being “small” aquariums. Here are the average tank sizes that you will uncover in the little aquarium category. These sizes are good for smaller sized fish in numbers of 1 – 10. If you have actually larger, it’s ideal to have actually 3 – 5 fish for this size and also environment.

Tank SizeDimensionsEmptyFilled
2 1/2 Gallon12″ x 6″ x 8″3 lbs27 lbs
5 Gallon16″ x 8″ x 10″7 lbs62 lbs
10 Gallon20″ x 10″ x 12″11 lbs111 lbs
15 Gallon24″ x 12″ 12″21 lbs170 lbs
15 Gallon (High)20″ x 10″ x 18″22 lbs170 lbs

What You have to Buy

If you space looking in ~ purchasing a smaller aquarium size, here are part recommendations:

1. Penn Plax vertex – (2.7 Gallons) ⭐️⭐️⭐️⭐️ (4 Star)

This Aquarium is perfectly size for her desktop. It comes v a cave on the water filter and also a digital thermometer for checking the water temperature.

The tank itself weighs around 7 lbs once totally assembled.

However, this tank is made of hefty glass and would weigh about 30 lbs as soon as filled with water. This makes it tough to relocate around, specifically for such a small aquarium. But if weight is not your biggest concern, this is an remarkable option. Additionally, to buy this tank way you get every little thing that you must avoid having to continuous lift and empty out the water, due to the fact that of the filter and also lid.

If you want to take a closer look at this tank easily accessible on Amazon, you can view it here.

2. Tetra Cube – (3 Gallons) ⭐️⭐️⭐️1/2 (3.5 Star)

This tank come equipped v a small filter to clean her water and an LED irradiate to carry out an exposure of irradiate to your little fish.

The Tetra Cube additionally comes through a tiny base to connect to the bottom the the aquarium to include a small extra stability and grip come the tank. The tank is top top a pedestal, and also it looks an excellent as well as the stability of the tank.

This tank weighs 6.7 lbs. Once completely assembled and also empty of water and other add-ons.

If you room curious about this tiny tank expected for one to two little fish, that is accessible on Walmart.com (here). It has high reviews and is well-liked by customers. It’s a great option for first-time fish owner (kids) as well.

3. Glofish 29045 – ( 5 Gallons) ⭐️⭐️⭐️1/2 (3.5 Stars)

The Glofish 29045 tank comes through an LED light the shines in 7 different colors. You will additionally find that this tank has its own water filter and filter cartridge.

However, part reviewers have actually mentioned having difficulties with the lid.

If purchased, this tank will certainly weight around 10 and also a fifty percent lbs. Once empty and up to about 60 lbs. Or more when filled through water and decorations.

This tank is roomy and also has a ton of super positive reviews. It has a the majority of extra features and it is very affordable. You obtain a many bang for her buck. If you want to take a closer look at this tank top top Amazon, click here.

4. Marineland Portrait – (5 Gallons) ⭐️⭐️⭐️⭐️1/2 (4.5 Stars)

The unique component of this tank is it’s sliding glass canopy that permits for straightforward water conditioning and also feeding.

The Marineland Portrait additionally features a back panel water filter and 3 options of LED lights.

At 5 gallons, this tank need to weigh around 6 and also a fifty percent lbs. as soon as empty, installation perfectly ~ above a desk or any kind of other tiny area. That is pretty tall and also rectangular shaped. Among the finest things around this tank is that it is good for first-time fish owners who want a couple of fish.

When prepare to relocate this tank as soon as full, store in mind that it must reach about 60+ lbs.

This is yes, really a an excellent tank. If you desire to watch the existing price top top this Amazon’s selection aquarium, click here.

5. Fluval leaf – (12 Gallons) ⭐️⭐️⭐️1/2 (3.5 Stars)

This Aquarium features a decorative obelisk to hide the filtration and also LED lighting system so every little thing looks neat and also clean. Plus, it means you don’t have to clean this large tank every by hand.

If you buy this option, you will be looking at an aquarium the weighs anywhere between 10-20 lbs empty.

Full of water and also everything else that you may need, her Fluval Edge need to weigh 110-170 lbs, relying on the decor and also how full you actually fill the tank.

If friend would like to take a closer look at this sleek and contemporary aquarium on Amazon, click here.

Note: Amazon supplies the 6-gallon aquarium together well.

Medium sized Aquariums:

Tank SizeDimensionsEmptyFilled
20 Gallon (Long)30″ x 12″ x 12″25 lbs225 lbs
25 Gallon24″ x 12″ x 20″30-32 lbs282 lbs
29 Gallon30 1/2″ x 12 1/2″ x 18 3/4″40 lbs330 lbs
30 Gallon (Breeder)36″ x 18″ x 12″45-48 lbs348 lbs
40 Gallon (Long)48″ x 12″ x 16″60 lbs455 lbs

What You should Buy:

6. Marina LED – (20 Gallons) ⭐️⭐️⭐️⭐️ (4 Stars)

Buying the full Aquarium Kit ~ above Amazon, this kit comes v not just the 20-gallon Aquarium itself, however a clip-on filter and filter cartridges, fish food, and also net. It additionally includes a water conditioner if you plan to usage tap water. Girlfriend really acquire an inclusive deal as soon as purchasing this.

This aquarium also features a canopy (hood) and an option for LED lighting inside.

I would consider this 20-gallon tank to be pretty long, having actually dimensions of 24″ x 12.5″ x 16.5″. Complying with the graph above, this tank must weigh about 25 lbs once empty and 225 when fully full.

If you would prefer to take a closer look at this remarkable tank, available on Amazon, you have the right to do so here.

7. Red Sea Max Nano – (20 Gallons) ⭐️⭐️⭐️⭐️1/2 (4.5 Stars)

The Red Sea Max Nano Aquarium is a rimless aquarium and also does not function or encompass a base because that the bottom. However, this tank does attribute Wifi managed filtration and LED lamp which is super convenient.

If you gain this tank, you are signing up for a pretty vast aquarium. This gift the case, this tank is a tiny pricey, because it is one investment. It is ideal for those who are willing come dedicate time and also money to your fish.

The size of this tank are 24″ x 24″ x 20″ making the a higher aquarium. However, tho weighing as lot as a lengthy 20 Gallon tank at 25 lbs. Once empty and also 225 lbs. Once full.

If you space interested in this medium-size aquarium, you have the right to click here and also we will take you to the Amazon listing.

8. SeaClear Acrylic Aquarium junior Executive Kit – (29 Gallons) ⭐️⭐️⭐️⭐️1/2 (4.5 Stars)

When purchasing this kit, you will find included the aquarium itself, and a solved hood and also fluorescent fixture. Had is likewise several plastic plants and a power filter.

Since this kit is for “Juniors” (or beginners) there is additionally a how-to book included in the package with a net, fish food, and also water conditioner.

Empty of all fish, plants, filters, and water this aquarium will certainly weight around 40 lbs top top its own.

Once full, your 29-gallon aquarium must weigh around 330 lbs as soon as filled v fish and water. If you would prefer to buy this great aquarium, friend can discover it here.

9. Coralife LED Biocube Aquarium Kit(32 Gallons) ⭐️⭐️⭐️⭐️ (4 Star)

This brand boasts a sleek, short profile hood lined through LED lights that go perfectly with your coral and other live plants.

This tank additionally includes a 24-hour timer, automatic 30-minute, and 60-minute sunrise/sunset functions.

The filter is additionally customizable and also built into the aquarium itself. This adds come the convenience the taking treatment of your fish. The filtration is designed to it is in quiet and also undisruptive.

Based ~ above the chart above, this tank must weigh between 45-60 lbs when empty and also 348-455 lbs once full.

If friend are looking for a medium/large aquarium this is your ideal bet.

Large Aquariums:

If you room looking into buying a larger aquarium for her fish as they outgrow their tanks, you have a couple of options.

Tank SizeDimensionsEmptyFilled
50 Gallon36″ x 18″ x 19″100 lbs600 lbs
75 Gallon48″ x 18″ x 21″140 lbs850 lbs
125 Gallon72″ x 18″x 21″205 lbs1250 – 1400 lbs
180 Gallon72″ x 24″x 25″400+ lbs1900 – 2100 lbs
225 Gallon72″ x 27.5″ x 27.5″400+ lbs2160 lbs

What You should Buy:

10. SeaClear Acrylic Aquarium Combo collection (50 Gallons) ⭐️⭐️⭐️⭐️ (4 Stars)

Unlike most glass aquariums, this tank boasts a clean, clear Acrylic base that is not quickly shaken or broken and that is 17x stronger than glass!

The combo itself includes the irradiate fixture, reflector, and aquarium. Based on the graph above, when put together, this Aquarium must weigh close come 100 lbs empty.

However, if you are planning on filling up her tank with fish, water, and also decorations, you have to be looking in ~ an aquarium the weighs near to 850 lbs. That way you really need to have a sturdy place to display screen your fish.

This remarkable aquarium is accessible on Amazon and you deserve to view that here. Friend will additionally see the this brand sells smaller sized aquariums if you space interested.

11. Aqua culture Aquarium Starter Kit (55 Gallons) ⭐️⭐️⭐️⭐️ (4 Stars)

Like many other starter kits, this package consists of its very own water filter, hood (lid), LED lights, totally free food samples, as well as samples of water conditioner.

With nothing inside and completely assembled, this product have to weigh just 4 and 1/2 lbs. Altogether. However, once filled through water, fish, and also other things you plan to include, your aquarium need to weigh around 600 lbs.

For such a large tank, this aquarium is affordable. Over there is a lot come love about this product. To take it a closer look, you deserve to click here.

12. Tetra 55G Starter Aquarium (55 Gallons) ⭐️⭐️⭐️⭐️ (4 Stars)

If you space planning to purchase the full starter kit, you will certainly be surprised to find that this aquarium collection actually contains a 200 W Water Heater, attachable digital thermometer, and also filter.

Once assembled properly, the totality aquarium itself must weigh around 79-80 lbs without any water inside.

With water, you will probably find this tank weighs 600+ lbs.

One that the benefits of owning a bigger aquarium such as this is that you have more room because that decorations and also room for more fish.

Purchasing this parcel will additionally come v a fish net, food, and water conditioner. Inclusive deals are my favorite. If you are just starting to upgrade your aquarium set-up quite than instead of one, this is the product for you. If you would prefer to take a closer look, click here.

13. Clear-For-Life Rectangle Aquarium (75 Gallons)

This is just a an easy 75 Gallon Aquarium – no packages included. However, the brand does case a restricted lifetime vouch on any kind of leakages the may take place with your purchase of the product.

This brand additionally is well-known to be sturdier 보다 the other choices out there. The is an acrylic aquarium the is resistant to any and all shattering.

The north aquarium have to weigh around 100-140 lbs on its own. Once full of whatever you need, it should weigh much more than 850 lbs. To see this large aquarium, you have the right to click here.

How to calculate the load of Your full Aquarium

If you already have your set up and also you have no idea just how much the is going to sweet after you fill it v water, over there are ways to calculation that. If the tank you currently have is filled and also you room curious, this technique works too.

The best method to get specific weight is to recognize the size of the tank. Is that 5-gallon or 50? If possible, shot to sweet or gain the load of the tank alone, assembled. Some tanks just weigh 12 lbs by chin while others weigh more.

If friend can’t gain the specific information, just give your ideal estimate.

Next, main point the gallon capacity by 8.34. This is exactly how much water weighs per gallon.

After you come at this number, include the tanks beginning weight. Usually the equation is: (lbs x tank capacity) + beginning weight = complete weight.

Now, you have a quite decent calculation of just how much the aquarium weighs. Hopefully, this helps those who are struggling a little bit with calculation.


If you room really considering purchase a fish tank, take a look at some of these recommendations.

I would also recommend because that you to take a look at any and all reviews on any type of aquarium the you space wishing come purchase.

Depending ~ above the dimension of her fish and also how many you own, need to determine just how much heavy lifting girlfriend may need to do after you obtain your brand-new aquarium.

Whichever dimension you choose, large, medium, or small, you recognize your fish the best and also what dimension they will certainly be happy to swim and roam about in.

If you want to guarantee her fish a good quality of life and also are a beginner, then possibly you should consider buying one of the packages that incorporate a water filter and also conditioner.

Just take treatment when checking that your filter and water conditioner will certainly be quality products.

See more: Ground Mustard Seed Vs Dry Mustard The Same Thing As Ground Mustard?

And constantly know the return policies of the shop you are buying your tank from!

In the end, there really isn’t a perfect fish tank the end there, every fish owner prefers various brands.

But, girlfriend should always know the weight and also dimensions to give you peace of psychic in knowing that you are helping your fish live a high quality life.