Hamster Cage Size Calculator
Find minimum cage floor area in sq in for Syrian, dwarf, and Roborovski hamsters.
Returns recommended dimensions and the 450 sq in minimum floor space rule.
Cage Size Recommendation
Hamster cage sizing is critical for your pet’s health and happiness.
Minimum recommended floor space:
| Hamster Type | Minimum Area | Ideal Area |
|---|---|---|
| Syrian (Golden) | 620 sq in / 4,000 sq cm | 800+ sq in / 5,160+ sq cm |
| Dwarf (Winter White, Campbell’s) | 620 sq in / 4,000 sq cm | 700+ sq in / 4,516+ sq cm |
| Roborovski | 620 sq in / 4,000 sq cm | 700+ sq in / 4,516+ sq cm |
| Chinese | 620 sq in / 4,000 sq cm | 700+ sq in / 4,516+ sq cm |
Important guidelines:
- Modern welfare standards recommend a minimum of 620 square inches (4,000 sq cm) of unbroken floor space.
- Bigger is always better. Hamsters are active animals that run several miles per night.
- Height should be at least 15 inches (38 cm) to allow for deep bedding (6+ inches).
- Multi-level cages do NOT count — only continuous floor space matters.
- Wire bar spacing should be no more than 0.5 inches (1.3 cm) for dwarf hamsters.
Bedding depth:
- Minimum: 6 inches (15 cm) for burrowing.
- Ideal: 8–10 inches (20–25 cm) in at least one area.
Common cage types:
- Glass tanks (40-gallon breeder = 648 sq in — meets minimum)
- Bin cages (DIY from large storage bins — affordable option)
- Commercial hamster cages (many are too small — always check dimensions)
How we build and check this calculator
This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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