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Twin — 38 × 75 in
A Twin preserves the most floor space for a desk, dresser, or play area. It is the practical baseline for a small bedroom. Suggested planning room: 8 × 10 ft.
Read guide →Mattress size libraryTwin XL — 38 × 80 in
Twin XL keeps the narrow width of a Twin but adds five inches of length. Two Twin XL mattresses also form the sleeping surface of a Split King. Suggested planning room: 8 × 10 ft.
Read guide →Mattress size libraryFull — 54 × 75 in
A Full adds sixteen inches of width over a Twin without adding length. That makes it roomier for one person but still compact enough for many secondary bedrooms. Suggested planning room: 9 × 10 ft.
Read guide →Mattress size libraryQueen — 60 × 80 in
Queen is the common middle ground: enough width for two adults, five extra inches of length over a Full, and a much smaller footprint than a King. Suggested planning room: 10 × 11 ft.
Read guide →Mattress size libraryKing — 76 × 80 in
A King gives each partner about the width of a Twin. The tradeoff is sixteen more inches of room width than a Queen before the frame is counted. Suggested planning room: 12 × 12 ft.
Read guide →Mattress size libraryCalifornia King — 72 × 84 in
A California King is four inches narrower and four inches longer than a standard King. It is not simply a larger King, and the two sizes do not share sheets or frames. Suggested planning room: 12 × 14 ft.
Read guide →Use dimensions as a starting point
Nominal sizes make comparisons possible, but the installed bed frame and the room's obstacles decide the real fit. Open the planner after reading a guide and replace assumptions with the measurements from your room and product.