Using Twin Beds To Make a King-Size Bed

Updated February 21, 2017

Converting two twin beds into one king-size bed is a remarkably straightforward task that is also wallet-friendly. There are several options you can choose from when you decide to turn your twin beds into a king. Twin bed connectors can be purchased at home retail stores. If you decide to cut even more cost, you can make your own with the same results as the store-bought connectors.

Push two existing twin bed frames together, or buy a king-size bed frame. If you purchased the frame, assemble it according to the instructions that came with it.

Visit a home retail store or look online for retailers that sell bedding or beds. Ask a store associate to help you locate the twin bed connector kits, or use the computer's Internet search bar to key in a term such as "twin bed connector kit." Purchase the kit.

Take the twin bed connector kit out of the package and read the instructions carefully before beginning assembly. Most twin bed connector kits consist of buckles and a centre strip; no tools needed.

Wrap the included belt around both twin mattresses and snap together. Ensure both mattresses are snugly fitted together with no gaps in the centre. Place the included centre strip over the gap between the 2 twin mattresses. Snap the centre strip onto the belt to ensure it is covering the gap securely. Various connector kits come with different materials. Some kits may require you to fasten the centre strip to the belt with hook-and-loop fasteners such as Velcro.

Cover the mattress with a king-size mattress pad and sheets. The mattress pad will remove any slight hill the centre strip may make.

Measure the length of the twin mattresses all the way around as they are snugly fit together. Add 3 to 4 inches of extra length onto the measurement total. Purchase thin rope or twine from a hardware store. Fit the rope, or twine, around the length of both mattresses, and tie securely with the extra ends.

Measure the length of the gap between the two mattresses. Add 3 to 4 inches of extra length onto the total. Purchase a long piece of foam padding. Cut the foam padding so that it matches up with your previous measurements. Be sure to cut the foam padding so it is 6 to 8 inches in width, enough to cover the centre gap. Tuck the excess ends of the foam padding into the thin rope or twine to achieve a snug fit.

Cover the mattress with a king-size mattress pad and sheets.

Things You'll Need

  • King-size bed frame
  • Twin bed connector kit
  • King-size mattress pad
  • King-size sheets
  • Thin rope or twine
  • Foam padding
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About the Author

Rachel Turner has been writing professionally since 2000, focusing on gardening and home improvement topics. Her articles have appeared online at SlowTravel and in publications such as the "Arkansas Gardeners," "One Step Ahead" and "Writers Now." Turner holds a Bachelor of Arts in English from Arkansas State University.