Hamster Cage Size

Syrian, dwarf or Robo, a 40-gallon breeder fits each differently. At 16.94 in tall it clears Woodgreen’s dwarf height and sits 2.7 in under the Syrian one.

The IKEA Detolf hamster cage gives more unbroken floor than almost any hamster cage sold — and IKEA stopped selling it in 2024. Here’s what that means.

Hamster bin cages are the cheapest route to real floor space — but a 12-inch-tall bin can’t hold the 10 inches of bedding current guidance calls for.

Four large hamster cages with listed interiors run from 752 to 881 sq in, and all four have trays of 16 to 20 cm, short of PDSA’s 25 cm.

Dwarf hamster cages need the same floor as a Syrian’s. In a 2023 survey, 65 of 90 co-housed dwarf hamsters were later separated for aggression.

Hamster cage floor space comes from the inside of the base. The Skyline Hoppelgarden 100 lists 39.4 × 28 in outside and 38.6 × 20.5 in inside, 789 sq in.

Hamster cage size minimums run from 279 sq in under Swiss law to 775 from UK charities, and golden hamsters did best at 1,550 in a 2007 study.