Fish Tank Dimensions

Fish tank dimensions differ. Fish tanks or aquariums are divided into small, mid-sized and large variants. The small ones are not suitable for beginners; it will be difficult to take care of the fish.

Small Dimensions

A 2 1/2 gallon tank has dimensions of 12″ x 6″ x 8″. It has a filled weight of 27 lbs. A 5 gallon size measures 16″ x 8″ x 10″ and has a filled weight of 62 lbs. A 10 gallon “Leader” tank measures 20″ x 10″ x 12″. The filled weight is 111 lbs.

The 15 gallon tank has a filled weight of 170 lbs. The measurements are 24″ x 12″ x 12”. The 15 gallon High is 20″ x 10″ x 18″ and the filled weight is 170 lbs.

Medium Size Specifications

A 20 gallon High measures 24″ x 12″ x 16″ with a filled weight of 225 lbs. A 20 gallon Long has fish tank dimensions of 30″ x 12″ x 12″. The filled weight is 225 lbs. The 25 gallon measures 24″ x 12″ x 20″ and has a filled weight of 282 lbs.

The 29 gallon measures 30″ x 12″ x 18″ has a filled weight of 330 lbs. The 30 gallon Breeder has dimensions of 36″ x 18″ x 12″. The filled weight is 348 lbs. A 40 gallon Breeder has dimensions of 36″ x 18″ x 16″ and a filled weight of 458 lbs.

Large Fish Tanks

The 50 gallon has dimensions of 36″ x 18″ x 19″ and a filled weight of 600 lbs. A 55 gallon will measure 48″ x 13″ x 21″ and has a filled weight of 625 lbs. A 65 gallon has dimensions of 36″ x 18″ x 24″ and a filled weight of 772 lbs. The dimensions of a 75 gallon is 48″ x 18″ x 21″ and has a filled weight of 850 lbs.

A 90 gallon tank measures 48″ x 18″ x 24″ and has a filled weight of 1050 lbs. A 125 gallon tank has specifications of 72″ x 18″ x 21″. Its filled weight is 1400 lbs. A 150 gallon tank with a size of 72″ x 18″ x 28″ has a filled weight of 1800 lbs.

Ideal fish tank dimensions will also depend on the kinds of fish you want to keep. Make sure there is enough space for the fish. Even though they are small, there should be room for them to swim around.