Tiny Room Lab

What Size Bed Fits a 11 × 12 ft Room? Every Mattress Size Checked

2026-11-13

A 11 × 12 ft room is 335 × 366 cm (about 132 sq ft). With a 24 in (60 cm) walkway on both sides and at the foot, the widest bed you can center is King.

Every bed size in a 11 × 12 ft room

Bed sizeFitWalkway left (side / foot)
Twin✅ Fits centered (walkway on both sides)53 in / 57 in
Twin XL✅ Fits centered (walkway on both sides)53 in / 52 in
Full✅ Fits centered (walkway on both sides)45 in / 57 in
Queen✅ Fits centered (walkway on both sides)42 in / 52 in
King✅ Fits centered (walkway on both sides)34 in / 52 in
California King✅ Fits centered (walkway on both sides)36 in / 48 in

Walkway left is what remains beside the bed and at its foot in the roomiest layout. For a bed against a wall, the side figure is the one open side. Mattress sizes; a frame adds 2–6 in per side.

Make the most of a 11 × 12 ft room

Try it yourself: open the room planner with this room and a King bed already placed, then add a desk or dresser.

Other room sizes: 7 × 10 ft · 8 × 10 ft · 9 × 10 ft · 10 × 10 ft · 10 × 12 ft · 12 × 12 ft · 12 × 14 ft

See all mattress dimensions in the bed size chart.

Checked 2026-11-13. Standard US mattress sizes; 24 in minimum walkway.

Printable cheat sheet: What Size Bed Fits a 11 × 12 ft Room? Every Mattress Size Checked

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