Placing a rug under your bed is a great way to add a finishing touch to your room design. A rug adds color and texture to a room, and can make the space feel more cozy and complete. For bedrooms with hardwood floors or tile, a rug also offers a soft, warm landing place for your feet. What’s the best rug size for a king bed? In this post, I’ll share my recommendations on rug size and placement options for your king bed.