Placing a rug under your king bed is a great way to add a finishing touch to your room design. Rugs add color, texture, and warmth to a room, making the space feel more comfortable and cozy. Carpets offer a soft, warm landing place for your feet in bedrooms with hardwood floors or tile. What’s the right king bed rug size? In this post, we’ll share our recommendations on rug size and placement options for your king bed.