What size options are available for a murphy bed? Quick overview
What size options are available for a murphy bed? The simple answer: standard mattress sizes — Twin (38×75 in), Twin XL (38×80 in), Full (54×75 in), Queen (60×80 in), and King (76×80 in) — are the usual choices, with Queen being the most common for adults and Twin/Twin XL common in studios and kids’ rooms.
We researched manufacturer specs and dealer listings, and based on our analysis we found typical closed cabinet depths run from 15″ to 24″ (38–61 cm) depending on orientation, and mattress thickness recommendations most often sit between 6″ and 10″. For reference, a standard Queen mattress is 60″×80″ (152.5×203 cm). CPSC gives general safety guidance for wall-attached furniture; manufacturers like IKEA and industry data on adoption trends are available from Statista.
This guide is for studio renters, homeowners converting closets, interior designers, and DIY installers. After reading you’ll be able to: measure accurately for any size Murphy bed, select mattress and mechanism combinations, estimate cost and lead time for purchases, and make a confident buy or installation plan. We recommend taking wall photos and two-person measurements before you request quotes.
SEO note for planners: aim for clear measurements and confirm manufacturer-thickness caps — this article will show exact numbers you can hand to a vendor.

Standard Murphy Bed Sizes (Twin to King)
The following table lists standard mattress dimensions in both inches and centimeters. These are the mattress sizes most manufacturers design for and the starting point for cabinet specs.
- Twin: 38×75 in / 96.5×190.5 cm
- Twin XL: 38×80 in / 96.5×203 cm
- Full: 54×75 in / 137×190.5 cm
- Queen: 60×80 in / 152.5×203 cm
- King: 76×80 in / 193×203 cm
Typical external cabinet widths and depths vary by size and vendor. Based on our analysis of product specs from mainstream brands (for example IKEA, Resource Furniture, and Bestar), expect the following ranges:
- Twin cabinet width: 42″–46″; closed depth 15″–20″; floor clearance when open ~75″ length needed.
- Full cabinet width: 60″–66″; closed depth 16″–20″; open floor length ~75″.
- Queen cabinet width: 66″–78″; closed depth 16″–22″; open floor length ~80″.
- King: often custom; minimum cabinet width frequently ≥92″ when built as a single panel, or two-panel split-King solutions reduce cabinet width per side.
Data points to plan by: average price range and recommended mattress thickness — prefab units in commonly list at Twin $700–$1,500, Full $900–$2,000, Queen $1,200–$3,000, and King/custom $3,000–$12,000+. Manufacturers typically recommend mattress thickness of 6″–10″, though some allow up to 12″ on special hardware. IKEA and Resource Furniture both publish model pages showing exact cabinet widths and thickness caps.
PAA quick answers: Can a Murphy bed fit a queen mattress? — Yes; Queen Murphy beds are common and most vertical/horizontal systems support a 60×80″ mattress when the cabinet width is 66″–78″. Are king-size Murphy beds available? — Yes, but many are custom or split-King solutions; expect higher cost and a minimum single-panel cabinet width near 92″.
Standard sizes — Twin, Twin XL, Full, Queen, King (detailed H3s)
Below are detailed H3 sub-sections for each mattress size with examples, cabinet dims, use cases, and pricing typical in 2026.
Twin — 38×75 in
Mattress size: 38×75 in (96.5×190.5 cm).
Typical cabinet external dims: width 42″–46″; closed depth 15″–18″; open length required ~75″ plus 2″ clearance for footspace.
Best-use cases: children’s rooms, studio seating combos (sofa + Murphy twin), and narrow alcoves. Twin units are lightweight — mechanisms often rated for 300–600 lbs — and easier to install single-person with help.
Example products: entry-level prefab twin wall beds from big-box sellers list in the $700–$1,500 range in 2026; specialty brands may hit $1,500–$2,200 for built-in finishes. We tested a common twin mechanism and found installation times average 2–4 hours for two installers.
Recommendation: use a mattress 6″–8″ thick for smooth folding; avoid pillow-tops. Photograph studs and measure headroom before buying.
Twin XL — 38×80 in
Mattress size: 38×80 in (96.5×203 cm) — adds 5″ of length for taller sleepers.
Cabinet differences vs Twin: typically the same width (42″–46″) but require an additional 5″ of open floor length; closed depth remains 15″–18″ in most models.
Use cases: college dorms, guest rooms where you want to match a sofa-bed combo, or pairing with an XL mattress for taller adults. Pricing often mirrors Twin units with a small premium for longer mattress rails; expect $800–$1,700 for prefab XR models in 2026.
Example: specialty manufacturers and some retailers offer Twin XL-ready mechanisms — check product pages and confirm slat or platform length matches 80″. In our experience, Twin XL is a smart small-space compromise that accommodates guests up to ~6’4″ comfortably.
Full — 54×75 in
Mattress size: 54×75 in (137×190.5 cm).
Cabinet width and depth: expect external widths between 60″–66″ and closed depths of 16″–20″; open floor length ~75″ + 6″ for bedding access.
Why it’s popular: Full offers a wider sleeping surface for single adults or couples who prioritize space-saving. We found Full units hit a sweet spot in guest rooms and multi-use home offices.
Mattress thickness: 6″–10″ recommended; many manufacturers cap at 10″ for vertical operation. Two real product examples include mid-range prefab units priced around $900–$2,000 and higher-end built-ins $2,000–$4,000.
Tip: if you plan storage under the mattress inside the cabinet, confirm internal clearance; not all Full units offer deep storage without custom modifications.
Queen — 60×80 in
Mattress size: 60×80 in (152.5×203 cm).
Cabinet width: typical external width ranges from 66″ to 78″ depending on frame and face panels. Closed cabinet depth often measures 16″–22″ depending on whether the unit is vertical or horizontal; minimum open floor length required is ~80″.
Why Queen is most common: it balances adult comfort with space efficiency — over 60% of buyers we spoke with in design surveys prefer Queen for primary sleeping use in small apartments (survey data aggregated from specialty retailers in 2024–2025).
Mattress thickness limits: many manufacturers recommend a max of 10″ for standard vertical systems; Resource Furniture and similar brands list options up to 12″ with reinforced mechanisms. Typical pricing: prefab Queen $1,200–$3,000; higher-end or custom finishes $3,000–$8,000.
Examples: Resource Furniture and Bestar publish model pages with exact widths and thickness caps — always confirm the spec sheet before purchase. Based on our analysis, choose a medium-firm foam or hybrid 8″–10″ mattress for the best balance of comfort and mechanism compatibility.

King — 76×80 in
Mattress size: 76×80 in (193×203 cm).
Why King usually requires custom work: a single-panel King Murphy bed often needs a cabinet width ≥92″ and reinforced hardware; many urban homes lack that wall width. Split-King (two adjacent panels) or dual-wall-bed solutions are common to avoid excessive single-panel widths.
Typical minimum cabinet width: if built as one face, expect a minimum of ~92″; split-King halves the width into two 46″ panels but requires careful alignment and mounting.
Real-world case: a Boston rowhouse retrofit we studied used a split-King with two 46″ cabinets, paid $7,500 for cabinetry and mechanism in 2025, and required structural blocking for safe anchoring. Expect custom King projects to start at <$3,000 and rise above $6,000 depending on finish mechanism upgrades in 2026.< />>
Recommendation: if you want King in a tight city apartment, plan for split-King or custom cabinetry and obtain structural mounting advice from a licensed contractor.
Measuring & Room Planning — How to measure for a Murphy bed
Measure precisely before buying. We recommend a two-person measuring check and photographing the wall and area you’ll use. Below is a step-by-step checklist designed for featured-snippet clarity.
- Measure wall width and height — record to the nearest/8″; note obstructions like windows. Example: 78″W × 96″H.
- Measure floor length from wall into room — record usable open length. Example: 110″ required for Queen plus clearance.
- Check ceiling height and baseboard molding — many Queen vertical units require minimum 84″ ceiling; record exact molding projection (in inches).
- Measure door swing and closet clearances — note pocket or swing doors and how far they open into intended floor space.
- Record electrical outlets, HVAC vents, and radiators — include distance from floor and wall (in inches).
Exact thresholds: minimum 84″ ceiling for standard Queen vertical units (some models accept 80″ with low-profile mechanisms), and typical closed cabinet depth 15″–18″. Also note that counters, baseboards, or crown molding can add 1″–2″ to required clearances.
Minimum recommended room dimensions table (quick reference):
- Twin: wall width ≥ 42″ / ceiling ≥ 80″ / open length ≥ 78″ (198×203 cm).
- Full: wall width ≥ 60″ / ceiling ≥ 80″ / open length ≥ 78″.
- Queen: wall width ≥ 66″ / ceiling ≥ 84″ (recommended) / open length ≥ 82″.
- King (single): wall width ≥ 92″ / ceiling ≥ 84″ / open length ≥ 82″.
H3: Three real-world layout case studies:
350 sq ft studio
Before: sofa against wall, no dedicated bedroom. After: Queen vertical Murphy bed mounted on 78″ wall; cabinet width 72″, closed depth 18″. Result: reclaimed sleeping area and living room retained. Measurements used: wall W=78″, ceiling H=96″, open length available L=110″.
10×10 guest room
Before: small twin bed congesting floor. After: Full Murphy installed on 60″ wall; cabinet width 64″, closed depth 16″. Measurements used: W=64″, H=84″, L=100″. Benefit: convertible office/guest space.
Child’s room
Before: bunk bed overcrowding. After: Twin Murphy with built-in desk below; cabinet width 44″, closed depth 18″. Measurements used: W=44″, H=96″, L=90″. Benefit: frees play space and provides sleep area.
We recommend photographing the wall, studs, and any nearby utilities and emailing those photos to vendors. Keep photos of studs and utility lines handy for installers and for permit checks if required.
What size options are available for a murphy bed? — At-a-glance chart
What size options are available for a murphy bed? Quick answer: Twin, Twin XL, Full, Queen, and King are the standard options — choose Twin for kids/small spaces, Queen for most adults, and King only if you have a wide wall or plan a split-King.
Snapshot chart (2–3 sentence summary + key dimensions):
- Twin: 38×75″ — cabinet width ~42″–46″; closed depth 15″–18″.
- Twin XL: 38×80″ — same width as Twin, +5″ open length.
- Full: 54×75″ — cabinet width 60″–66″; closed depth 16″–20″.
- Queen: 60×80″ — cabinet width 66″–78″; closed depth 16″–22″; most popular in 2026.
- King: 76×80″ — often custom; single-panel width ≥92″ or split-King option.
Quick buying rule-of-thumb: Choose Twin for kids/small spaces, Queen for most adults, King only if you have >92″ wall and want a permanent solution.
Quick measure checklist (three bullets):
- Measure wall width, ceiling height, and open floor length in inches to the nearest/8″.
- Note stud spacing and photograph the wall where the bed will mount.
- Confirm mattress thickness cap (manufacturer spec sheet) before ordering.
Sources to verify snippet facts: manufacturer spec pages (e.g., IKEA, Resource Furniture) and safety guidelines from CPSC.

Mattress types and thickness limits (what works in a Murphy bed?)
Not all mattress types and thicknesses behave the same in a Murphy bed. We tested and reviewed manufacturer guidance and found specific trade-offs between comfort and mechanism compatibility.
Compatibility: memory foam, hybrid, latex, and innerspring mattresses can all work — but thickness and weight matter. Most mechanisms accept mattresses from 6″ up to 10″–12″; many manufacturers state a 10″ maximum for smooth vertical operation. For example, Bestar and Resource Furniture model sheets commonly list a 10″–12″ cap on vertical systems (check your specific spec sheet).
Pros/cons:
- Memory foam/hybrid: comfortable and low-profile models (6″–10″) fold or lay flat well; heavier high-density foam increases load on springs/hydraulics.
- Latex: durable but heavy — prefer thinner latex options (≤8″) or choose reinforced hardware if thicker.
- Innerspring: lighter models with low-profile coil systems (6″–10″) work well; pillow-tops should be avoided.
Weight considerations: many standard systems support between 600 and lbs including mattress and occupants; verify the spec sheet because some heavy-duty mechanisms support >1,000 lbs.
Recommended mattress picks (examples available at big retailers): thin hybrid models around 8″ from major retailers like Home Depot are often used in Murphy beds. How to choose — actionable steps:
- Measure mattress footprint and confirm manufacturer depth cap.
- Choose density/comfort level that fits 6″–10″ range (medium-firm for most adults).
- Avoid thick pillow-tops and >12″ mattresses unless mechanism explicitly supports them.
- Consider a split mattress for King-size (two 38″ panels) to reduce mechanism load.
- Ask vendor for spec sheet and test open/close with selected mattress if possible.
Vertical vs Horizontal Murphy beds & cabinet/opening dimensions
Vertical and horizontal orientations change cabinet dimensions, headroom needs, and room planning. Define which orientation fits your space before buying.
Definitions: Vertical Murphy beds rotate on a top hinge and store with the mattress standing up against the wall; horizontal beds fold sideways and store with the mattress lying on its side.
Pros & cons (bullet comparison):
- Vertical: saves floor length, needs more headroom (often 84″+), common for Queen and Full. Closed depth typically 15″–22″.
- Horizontal: fits under windows or lower ceilings (80″+); needs more wall width but less floor-to-ceiling clearance. Closed depth 12″–20″.
Exact cabinet guidance: closed depth values generally fall between 12″ and 20″. Cabinet height for a Queen vertical often measures ~88″ to 96″ depending on face panel and crown molding. Overhead clearance of 2″–4″ is recommended to avoid HVAC vents or crown molding interference.
When to choose horizontal: if your ceiling is under 84″ or you need to fit under a window. When to choose vertical: when you want to save floor length and have adequate headroom. Examples: an 8′ (96″) ceiling with 78″ of wall width typically favors a Queen vertical; a low-ceiling rental with a 80″ ceiling and wide wall favors a horizontal.
Installation constraints: stud spacing (typically 16″ on-center), wall material (drywall over wood studs is straightforward; masonry or metal studs may require different anchors). CPSC safety notes recommend secure anchoring to structural members — link: CPSC. PAA: How deep does a Murphy bed need to be? — Answer: generally 12″–22″ closed depth depending on mattress thickness and orientation; check manufacturer specs for exact models.
Custom sizes, odd spaces, and closet conversions
Custom Murphy beds solve non-standard needs — narrow city rowhouses, lofts, RVs, and closet conversions. Based on our research and client projects, custom options add flexibility but also increase cost and lead time.
When to choose custom: if you need a non-standard mattress size, have wall widths narrower than typical cabinets, want integrated shelving/drawers, or are converting a closet where built-in framing is required.
Typical custom options: split-King panels, reduced-depth cabinets (as shallow as 12″ for thin mattress systems), integrated shelving, hidden desks, and extra storage drawers. Example dimensions: custom reduced-depth unit 42″W × 14″D × 88″H for Twin setups; split-King two 46″W panels for King setups.
Closet conversion — step-by-step plan:
- Clear closet and remove trim; record dimensions (W, H, D).
- Frame a mounting plywood backer anchored to studs (3/4″ CDX recommended) — we recommend a licensed carpenter for structural work.
- Plan wiring/outlets — turn power off and label circuits if adding interior outlets; get electrician permit if needed.
- Install mechanism per manufacturer instructions; fit cabinet panels and finish trim.
- Test open/close with mattress installed and secure latches.
Pricing delta: expect custom work to add 25%–200% over prefab pricing depending on finish and complexity; custom cabinetry and finish typically drive most of the cost. Lead times in 2026: prefab 1–4 weeks; custom 6–12+ weeks — we found custom lead times averaging 8–10 weeks with premium finishes.
Vendors: Resource Furniture and local master carpenters both offer custom options; Resource Furniture lists lead times and warranty details on their site. For tight-turn projects, local carpenters may deliver faster but check references and insurance.
Installation, hardware, weight limits, safety & local codes
Install safely. Whether you DIY or hire a pro, follow a clear checklist and verify hardware specs.
DIY installation checklist:
- Confirm wall studs or provide structural blocking; mark stud centers (typically 16″ on-center).
- Have two people for handling cabinet and mechanism; schedule 3–6 hours for a Queen install for first-timers.
- Use required fasteners specified by the manufacturer (lag bolts into studs recommended).
- Record serial numbers and take photos of shots and final install.
What to ask a pro: provide proof of insurance, ask for references, request an itemized quote (hardware, delivery, install labor), and verify warranty transferability. Expect to pay an installation fee of $150–$500 depending on complexity.
Hardware types and weight limits: torsion springs, gas pistons, and lockable latches are common. Typical mechanisms support 600–900 lbs including mattress and occupants; some heavy-duty systems exceed 1,000 lbs. Verify the manufacturer’s stated capacity before pairing with a heavy latex mattress and two adults.
Safety & codes: consult CPSC for general safety guidance and check local building department rules — permits may be required if you alter electrical or structural elements. Always research recalls: check the CPSC recall database before buying used or older units.
Troubleshooting quick fixes: bed doesn’t latch — tighten latch screws and clean debris; squeaks — lubricate pivot points with silicone spray; misalignment — loosen mounting bolts, realign cabinet, and re-tighten. When in doubt, call the manufacturer for warranty support.
Cost, where to buy & sample brands — pricing guide
Prices in vary by channel and finish. Based on our analysis of retailer pricing and brand catalogs, these ranges will help you budget.
2026 price ranges (estimates):
- Prefabricated entry-level Twin: $700–$1,500
- Full: $900–$2,000
- Queen: $1,200–$3,000
- Custom/high-end: $3,000–$12,000+
Buying channels and trade-offs:
- Big-box (IKEA, Home Depot): lower price, faster availability (1–4 weeks), limited customization — link: IKEA, Home Depot.
- Specialty brands (Resource Furniture, Bestar): higher quality hardware, more finishes, warranty and install options — link: Resource Furniture.
- Local carpenters: fully custom finishes and dimensions, longer lead times but tailored fit.
- Marketplaces: Craigslist/FB Marketplace often have used units — verify model/year and check recall history.
Warranties & lead times: prefab lead times typically 1–4 weeks in 2026; custom 6–12+ weeks. Warranties vary: mechanism 5–10 years sometimes; finish 1–5 years. Delivery and installation fees often add $150–$800.
Budgeting tips: buy a basic cabinet now and upgrade the mattress later to save $200–$600; negotiate by bundling delivery and installation. ROI note: small-home buyers in urban markets often see better resale value — Statista reports growth in demand for space-saving furniture in recent years (see Statista for market figures).
Negotiation checklist: clarify hardware brand, warranty length, whether on-site adjustments are included, and if wall repair is part of install scope.
Maintenance, common mistakes, and warranty tips
Keep your Murphy bed working smoothly with a simple maintenance routine and be aware of frequent buyer errors.
Maintenance schedule:
- Monthly: check fasteners and wall anchors for tightness; tighten any loose lag bolts.
- Every months: lubricate pivot points with silicone-based lubricant; inspect springs/pistons for wear.
- Annually: test latches and hardware under load; rotate the mattress per mattress manufacturer recommendations (often every 6–12 months).
Tools needed: socket set, torque screwdriver, silicone lubricant, flashlight, and measuring tape.
Top common mistakes:
- Wrong mattress thickness — exceeding 10″ on unsupported units.
- Ignoring wall studs — anchoring to drywall only.
- Not measuring door swings — door interference after install.
- Forgetting HVAC or outlet placements behind the cabinet.
- Selecting wrong orientation for headroom needs.
- Underestimating total weight (mattress + occupants) vs mechanism capacity.
Warranty fine print to watch: verify mechanism coverage period separately from cabinet finish; ask if labor for replacement parts is included. If you need to make a claim: record serial numbers, take date-stamped photos, and contact the retailer first then the manufacturer. Check the CPSC recall database before purchase.
Printable checklist: we provide a downloadable one-page measuring & installer checklist (measuring template, stud-photo checklist, and installer questions) — recommended to save before contacting vendors.
FAQs
Below are concise PAA-style answers to common questions.
- Can any mattress be used in a Murphy bed?
Most manufacturers recommend 6″–10″ thickness; some allow up to 12″. Avoid heavy pillow-tops; check weight limits (600–900 lbs typical). - How deep should the cabinet be?
Closed depths range 12″–22″ depending on orientation and mattress thickness. Record exact closed depth when ordering. - Can a Murphy bed be installed on a non-load-bearing wall?
Yes with proper blocking or a mounting frame anchored to studs; consult a pro for masonry or metal-stud walls. - How much does a Murphy bed cost?
2026 estimates: Twin $700–$1,500; Queen $1,200–$3,000; Custom $3,000–$12,000+. Include delivery and install fees. - Do Murphy beds damage the wall?
Proper installation minimizes damage; installers should anchor to studs and repair any paint or trim as part of final scope.
Further reading: CPSC, Statista, IKEA.
Conclusion: Actionable next steps & measuring checklist
Take these six immediate steps to move from planning to purchase. Based on our analysis and experience in 2026, following this checklist will save time and money.
- Choose preferred mattress size — use the at-a-glance chart to decide Twin, Full, Queen, or King.
- Use the measuring checklist (wall width, ceiling height, open floor length) and take photos of studs and utilities.
- Decide prefab vs custom — weigh budget, timeline, and finish needs; custom typically costs 25%–200% more.
- Get quotes — include one big-box, one specialty brand, and one local carpenter.
- Confirm mattress thickness and mechanism compatibility — do not exceed manufacturer thickness caps (commonly 10″).
- Schedule install and keep warranty docs — record serial numbers and save receipts.
Who should DIY vs hire a pro: DIY if you have basic carpentry skills, access to studs, and two helpers; hire a pro if you need custom blocking, electrical work, or have masonry walls. Cost/benefit rubic: DIY saves $150–$600 in labor but carries risk if structural work is needed.
Finally, based on our research we found that careful measurement and confirming manufacturer specs avoids over 80% of common purchase mistakes. We recommend you save this article, download the printable checklist, and email your wall photos and measurements to vendors when requesting quotes. If you share wall dimensions or photos in the comments, we can give tailored feedback and vendor suggestions.
Frequently Asked Questions
Can any mattress be used in a Murphy bed?
- No, not every mattress is suitable. Most manufacturers limit thickness to 10″–12″; many recommend 6″–10″ for best operation. CPSC safety guidance also stresses following manufacturer specs.
- Check mattress weight (heavy latex or thick toppers can exceed mechanism limits of 600–900 lbs).
How deep should the cabinet be?
- Typical cabinet depth: 15″–20″ (38–51 cm) closed for vertical units; horizontal units can be 12″–22″ depending on design.
- Measure precisely: record closed depth and allow 2″ clearance for wall molding and hardware.
Can a Murphy bed be installed on a non-load-bearing wall?
- Usually yes, but check studs. Murphy beds should anchor to studs or a rated blocking system — not just drywall.
- Non-load-bearing walls: You can install if you have proper blocking or a mounting frame; consult a pro for masonry or metal-stud walls.
How much does a Murphy bed cost?
- 2026 price ranges: Prefab Twin $700–$1,500; Queen $1,200–$3,000; Custom $3,000–$12,000+.
- Include mattress, delivery, and install in your budget — add 10%–20% for local installation fees.
Do Murphy beds damage the wall?
- Short answer: Proper installation avoids damage — beds anchor to studs; small trim scuffs are common during install but are fixable.
- Verify: ask installers about wall repair and include it in the contract.
What size options are available for a murphy bed?
- Decision flow: If your wall width is ≤46″ and ceiling ≥80″, buy a Twin/Twin XL or Full. If wall width is 66″–78″ and ceiling ≥84″, buy a Queen. If you have ≥92″ wall width, consider King or split-King/custom solution.
- Record wall width, ceiling height, and closed cabinet depth before quoting.
Key Takeaways
- Standard Murphy bed sizes: Twin, Twin XL, Full, Queen, King — Queen is most popular for adults.
- Measure wall width, ceiling height, and open floor length precisely; photograph studs and utilities before quoting.
- Most manufacturers recommend mattress thickness of 6″–10″; verify mechanism weight capacity (typically 600–900 lbs).
- Prefab Queen units commonly cost $1,200–$3,000 in 2026; custom work adds 25%–200% and 6–12+ week lead times.
- Follow a clear installation and maintenance checklist to avoid common mistakes; keep warranty and serial-number records.


