Guinea Pig Cage Size Calculator
Enter your guinea pig count and cage style to estimate floor area, a practical C&C grid layout, bedding size, hideouts, hay racks, water bottles, and cleaning liner needs.
For two guinea pigs, this calculator commonly recommends about 10.5 sq ft, such as a 2 × 4 C&C cage. For two boars, consider stepping up to 2 × 5 grids if the room and budget allow.
Square footage target by guinea pig count, herd type, and comfort level.
A practical grid suggestion with inside dimensions and panel count for common modular cages.
Estimated liner size with overlap so fleece, pads, or disposable bedding are easier to plan.
Hideouts, hay areas, and water bottles to help prevent crowding around essentials.
A 2 × 4 C&C cage, roughly 27 by 56 inches, is a popular roomy starting point for two guinea pigs. If the pair is two boars, a 2 × 5 C&C cage can give them more personal space.
With common 14-inch grids, a 2 × 4 C&C cage is roughly 27 by 56 inches inside, or about 10.5 square feet before small adjustments for connectors and coroplast walls.
Yes, plan at least one hideout per guinea pig. Extra tunnels or open-ended hides can help shy pigs move around without getting trapped by a cage mate.
Within safe, cleanable limits, more flat floor space is usually better. Make sure the cage is predator-safe, well ventilated, easy to clean, and not placed in extreme heat, cold, or drafts.