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Bed frame plans: sizing and hardware
Reviewed 30 August 2026 · how we research
A bed frame is a large but mostly straight-line project. The two things a good plan handles are exact mattress sizing and joinery that can be taken apart to move the bed through a doorway.
What to expect
Long rails, headboard and footboard assemblies, and a slat system. Cuts are simple; the challenge is scale, square assembly, and choosing hardware that disassembles cleanly.
What a good bed frame plan plan includes
- Internal dimensions matched to the exact mattress size (twin, full, queen, king) plus clearance
- Knock-down joinery: bed bolts or steel bed-rail brackets, not permanent glue joints
- Rail-to-post connection detail with the hardware mortises dimensioned
- Slat or platform spacing (roughly 2.5-3 in gaps) and a centre support for queen and larger
- Headboard attachment method and floor-to-rail height for under-bed clearance
Key considerations
- Confirm the plan uses your region's mattress dimensions - they differ internationally.
- Queen and king frames need a centre rail with legs; without it, slats bow and the mattress dips.
- If the bed must pass through a standard door, every sub-assembly has to be under about 30 in wide - check before building.
Bed frame plans is one category in the Ted's Woodworking library. Match any plan to the points above, whatever the source, and check the cutting list before buying materials. Our review covers how that library holds up overall.
FAQ
What size should a bed frame be for a queen mattress?
The internal opening should match your region's queen dimensions plus a small clearance. Always build to the exact mattress you own.
What hardware holds a bed frame together?
Bed bolts or steel bed-rail brackets. These let you disassemble the frame to move it; a glued rail joint makes that impossible.
How far apart should bed slats be?
Roughly 2.5 to 3 inches. Wider gaps let the mattress sag between slats. Queen and larger beds also need a centre support.
Can a beginner build a bed frame?
Yes. It is large but mostly straight cuts. The key is square assemblies and knock-down hardware so it can be moved.
Do I need a box spring?
It depends on the mattress. Many modern mattresses sit on a slatted platform with a centre support and no box spring.
How do I move a bed through a doorway?
Design so every sub-assembly is under about 30 inches wide and bolts together, then disassemble to move it.
What wood should I use for a bed frame?
Any furniture hardwood, or a stable softwood like pine for a painted or rustic frame. Rails take stress, so avoid knots there.
Does a queen or king bed need a centre support?
Yes, a centre rail with one or two legs. Without it the slats bow and the mattress dips.
How tall should a bed frame be?
Set the rail height so the finished mattress top is a comfortable sitting height, and leave under-bed clearance if you want storage.
How long does a bed frame take to build?
A weekend or two, depending on headboard detail and finish.
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