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Convert Full Bed to Queen: A Comprehensive Guide

From the Puffy Editorial Team | 3 min read.
Convert Full Bed to Queen: A Comprehensive Guide

Many homeowners, after purchasing a full bed, find themselves wanting more space that a queen bed offers. But is there a way to avoid purchasing a brand-new bed?

The answer is yes. In this guide, we’ll explore the various techniques and methods you can use to transform a full bed into a queen.

How to Tell if Your Bed is a Full or Queen

  • Dimensions: A full bed typically measures 54 x 75 inches, while a queen bed measures 60 x 80 inches.
  • Space: If two average-sized adults can sleep without their arms touching, it’s likely a queen.
  • Bed Label: Sometimes, the bed frame or mattress label indicates the size.

Steps to Convert a Full Bed to a Queen

  1. Assess Your Current Bed Frame: Ensure it’s sturdy and in good condition.
  2. Purchase Converter Rails: These rails extend the length and width of your full bed.
  3. Attach the Rails: Following the manufacturer’s instructions, attach the converter rails to your existing bed frame.
  4. Adjust the Center Support: Ensure it provides adequate support for the larger mattress size.
  5. Place the Queen Mattress: Once the frame is adjusted, place your queen mattress atop the frame.

Understanding Full to Queen Converter Rails

  • Purpose: Converter rails allow a full-size bed frame to accommodate a queen mattress.
  • Material: Typically made of steel, ensuring durability and stability.
  • Installation: Most converter rails can be installed using simple tools and come with clear instructions.

Transforming a Full Size Mattress into a Queen

  • Mattress Extenders: Some companies offer foam “extenders” that can increase the width of a full mattress.
  • Mattress Topper: Using a queen-sized topper over a full mattress might give the illusion of a queen bed, although the fit might not be perfect.

Fitting Queen Sheets on a Full Bed: Is it Possible?

  • Loose Fit: Queen sheets will fit on a full bed, but they might be a bit loose.
  • Sheet Suspenders: Use suspenders or grippers to ensure the sheet stays in place.
  • Fold and Tuck: Fold any extra sheet material under the mattress for a snug fit.

Making a Queen Headboard Fit a Full Frame

  1. Headboard Adapters: These can bridge the width difference between a full frame and a queen headboard.
  2. DIY Solutions: With a bit of woodworking, you can extend the width of a full bed’s mounting points to match those of a queen headboard.
  3. Wall-Mounted: Consider wall-mounting the queen headboard, allowing it to float above the full frame.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

Key Considerations and Tips

  • Stability: Always ensure that the converted bed is stable and safe.
  • Cost: Weigh the cost of conversion against purchasing a new queen bed.
  • Space: Ensure your room can accommodate a queen-sized bed after the conversion.

Frequently Asked Questions

  1. Is converting a bed difficult? With the right tools and converter rails, the process is relatively straightforward.
  2. Can I use a full comforter on a queen bed? It’s possible, but it might not cover the bed entirely, especially on the sides.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.


Converting a full bed to a queen offers a practical solution for those desiring more sleeping space without buying an entirely new bed. With careful consideration and the right tools, you can enjoy the comfort of a queen bed using your existing full bed frame. Sleep tight!

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