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How to Convert a Queen Headboard Into a King Bed

Converting a queen-size bed to king size isn't possible, because there's a 16-inch difference in the width. That extra 8 inches on each side is unsupported, which means the king size mattress will eventually give way. It also looks odd. However, converting a queen headboard to king size isn't such a challenge. It's only necessary to add 8 inches to each side of the headboard.

Things You'll Need

  • Screwdriver
  • 2 panels plywood, 8 inches wide and as tall as the current headboard
  • Nails
  • Hammer
  • Wood glue
  • Screws
  • Batting, foam or stuffing
  • Staple gun and staples
  • Fabric
  • 4 wood posts (4 by 4 inches)
  • Saw
  • Sandpaper
  • Stain
  • 2, 1-inch by 1-inch strips of wood 76 inches long
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Instructions

  1. Fabric Headboard

    • 1

      Remove the fabric from the headboard as well as any foam or stuffing. Slide a screwdriver under the staples on the back of the headboard. Pull up. The staples should pop off. You won't have enough of the fabric from a queen-size headboard to rewrap a king-size one.

    • 2

      Remove the old foam, batting or stuffing. Nail or glue 8 inches of plywood to each side of the headboard.

    • 3

      Wrap with new batting, stuffing or foam. Attach the batting to the back of the headboard with a staple gun.

    • 4

      Wrap the new fabric over the headboard and the batting. Leave at least a 6-inch overhang of material on the top, bottom and sides. Think of wrapping a gift or present.

    • 5

      Work with a helper that holds the fabric taut while you staple it to the wrong side of the headboard. The wrong side is the side that faces away from the mattress and towards the wall. That way the staples won't show when someone looks at the headboard from the front or sides.

    Wood Headboard

    • 6

      Cut the posts the same height as the ends of the headboard or slightly shorter if that looks better with your style of headboard.

    • 7

      Sand and finish the posts. Stain to match the queen headboard. You may have to re-stain the headboard, as well as the posts, to get them all to match.

    • 8

      Glue the two posts together using wood glue. Glue the other two posts together. Exactly how much glue you use depends on the kind you're using. Follow the package directions. Use two thin lines of glue rather than one thick one. Check to make sure no glue is squeezed out when you put the posts together. Lay a heavy weight on top of the posts so the glue makes contact with as much surface area as possible. The weight spreads the glue out.

    • 9

      Lay the queen size headboard wrong side down on a flat surface. Lay two of the posts on each end of the headboard. Run a thin line of wood glue on the 76-inch- long, 1-by-1-inch strip of wood. Place one strip across the bottom of the back of the headboard so it's going across the two posts on the right of the queen-size headboard, the headboard itself and the two posts on the left of the headboard.

    • 10

      Screw the strip into each post extension, the end of the headboard and once in the middle. When screwing the middle, make sure it's below the mattress so it can't be seen when the bed is made.

    • 11

      Attach the other strip of 1-by-1 using the same method.