Welcome to "Aquarium Dimensions"
Your one-stop shop for Reef Tank and Freshwater Fish Tank Aquarium Dimension and Size Questions.
Please see the chart below for standard aquarium sizes arranged by gallons.
Please also feel free to use our Aquarium Volume Calculator and read our reviews on the major aquarium manufacturers.
All dimensions in this fish tank size table are outside edge to outside edge using the following picture for Width, Length, and Height:
| Size (US Gal) | Type | Length (in.) | Width (in.) | Height (in.) | Brand | Pictures |
|---|---|---|---|---|---|---|
| 2 1/2 | Glass, Mini | 12 3/16 | 6 1/8 | 8 1/8 | All Glass Aquarium (AGA) - Aqueon* |  |
| 2 1/2 | Glass, Mini | 12 | 6 | 8 | Marineland | |
| 5 | Glass | 16 3/16 | 8 3/8 | 10 1/2 | AGA - (Aqueon) |  |
| 5 | Glass | 16 | 8 | 10 | Marineland | |
| 10 | Glass | 20 1/4 | 10 1/2 | 12 9/16 | AGA (Aqueon) |  |
| 10 | Glass | 20 | 10 | 12 | Marineland | |
| 14 BioCube | Glass, All-In-One | 15.5 | 15 | 16.7 | Oceanic |  |
| 15 | Glass | 24 1/4 | 12 1/2 | 12 3/4 | AGA (Aqueon) |  |
| 15 | Glass | 24 | 12 | 12 | Marineland | |
| 15 High | Glass | 20 1/4 | 10 1/2 | 18 3/4 | AGA (Aqueon) | |
| 16 High | Glass | 20 | 10 | 19 | Marineland | |
| 20 High | Glass | 24 1/4 | 12 1/2 | 16 3/4 | AGA (Aqueon) |  |
| 20 High | Glass | 24 | 12 | 16 | Marineland | |
| 20 Extra High | Glass | 20 | 10 | 24 | Marineland | |
| 20 Long | Glass | 30 1/4 | 12 1/2 | 12 3/4 | AGA (Aqueon) |  |
| 20 Long | Glass | 30 | 12 | 12 | Marineland | |
| 25 | Glass | 24 1/4 | 12 1/2 | 20 3/4 | AGA (Aqueon) | |
| 25 | Glass | 24 | 12 | 20 | Marineland | |
| 29 | Glass | 30 1/4 | 12 1/2 | 18 3/4 | AGA (Aqueon) |  |
| 29 | Glass | 30 | 12 | 18 | Marineland | |
| 29 Biocube | Glass, All-In-One | 20.8 | 20.1 | 19 | Oceanic |  |
| 30 | Glass | 36 1/4 | 12 5/8 | 16 3/4 | AGA (Aqueon) |  |
| 30 | Glass | 36 | 13 | 16 | Marineland | |
| 30 Extra High | Glass | 24 1/4 | 12 1/2 | 24 3/4 | AGA (Aqueon) |  |
| 30 Extra High | Glass | 24 | 12 | 24 | Marineland | |
| 30 Breeder | Glass | 36 3/16 | 18 1/4 | 12 15/16 | AGA (Aqueon) |  |
| 30 Breeder | Glass | 36 | 18 | 12 | Marineland | |
| 33 Long | Glass | 48 1/4 | 12 3/4 | 13 3/8 | AGA (Aqueon) |  |
| 37 | Glass | 30 1/4 | 12 1/2 | 22 3/4 | AGA (Aqueon) |  |
| 37 | Glass | 30 | 12 | 22 | Marineland | |
| 38 | Glass | 36 1/4 | 12 5/8 | 19 3/4 | AGA (Aqueon) |  |
| 40 Breeder | Glass | 36 3/16 | 18 1/4 | 16 15/16 | AGA (Aqueon) |  |
| 40 Breeder | Glass | 36 | 18 | 16 | Marineland | |
| 40 Long | Glass | 48 1/4 | 12 3/4 | 16 7/8 | AGA (Aqueon) |  |
| 40 Long | Glass | 48 | 13 | 16 | Marineland | |
| 40 High | Glass | 36 | 13 | 20 | Marineland | |
| 45 | Glass | 36 1/4 | 12 5/8 | 23 3/4 | AGA (Aqueon) |  |
| 50 | Glass | 36 3/8 | 18 3/8 | 19 | AGA (Aqueon) |  |
| 55 | Glass | 48 1/4 | 12 3/4 | 21 | AGA (Aqueon) |  |
| 55 | Glass | 48 | 13 | 20 | Marineland | |
| 57 | Glass, Frame- less | 36 | 18 | 21 | Oceanic |  |
| 60 | Glass | 48 | 13 | 24 | Marineland | |
| 65 | Glass | 36 3/8 | 18 3/8 | 25 | AGA (Aqueon) |  |
| 65 | Glass | 36 | 18 | 24 | Marineland | |
| 75 | Glass | 48 1/2 | 18 1/2 | 21 1/8 | AGA (Aqueon) |  |
| 75 | Glass | 48 | 18 | 21 | Marineland | |
| 90 | Glass | 48 1/2 | 18 1/2 | 25 3/8 | AGA (Aqueon) |  |
| 90 | Glass | 48 | 18 | 24 | Marineland | |
| 110 | Glass | 48 | 18 | 30 | AGA (Aqueon) | |
| 120 | Glass | 48 1/2 | 24 1/2 | 25 1/2 | AGA (Aqueon) |  |
| 120 | Glass | 48 | 24 | 24 | Marineland | |
| 125 | Glass | 72 1/2 | 18 1/2 | 23 3/8 | AGA (Aqueon) |  |
| 150 | Glass | 72 1/2 | 18 1/2 | 29 1/2 | AGA (Aqueon) |  |
| 180 | Glass | 72 1/2 | 24 1/2 | 25 5/8 | AGA (Aqueon) |  |
| 210 | Glass | 72 1/2 | 24 1/2 | 29 5/8 | AGA (Aqueon) |  |
*All-Glass-Aquarium was bought by Aqueon. The AGA name brand is still used on a number of products.
We will continue to add Brands and Sizes to this site. Please feel free to email us with any questions or comments