SIZES / MARKET-AWARE REFERENCE
Queen and King are labels used inside markets, not universal measurements. Beds Universe resolves the name only after the market is known, then keeps the nominal sleep surface separate from a product's actual geometry.
NAME QUERY / QUEEN
The same normalized name resolves to materially different market conventions. Region context is mandatory.
60 × 80 in
Converted view: ≈ 152.4 × 203.2 cm (rounded for display only)
A common U.S.-market named mattress-size convention. It describes a nominal sleep surface, not a bed frame exterior footprint and not a global meaning of “queen”.
Sleep Foundation · reviewed 2026-09-09120 × 190 cm
Converted view: ≈ 47.24 × 74.8 in (rounded for display only)
A UK consumer naming record demonstrating that “queen” may refer to a small double rather than the larger U.S.-market queen convention.
Which? · reviewed 2026-09-09NAME QUERY / KING
Shared naming does not make U.S. and UK King dimensions interchangeable.
76 × 80 in
Converted view: ≈ 193 × 203.2 cm (rounded for display only)
A common U.S.-market king mattress convention. BEDU keeps the named convention separate from product-specific mattress and frame dimensions.
Sleep Foundation · reviewed 2026-09-09150 × 200 cm
Converted view: ≈ 59.06 × 78.74 in (rounded for display only)
A common UK-market king mattress convention, distinct from the U.S.-market king convention despite the shared name.
Which? · reviewed 2026-09-09REFERENCE / CURRENT SEED ONLY
Source-unit values stay primary. Converted values are secondary display aids, never additional standards.
| Market | Named convention | Source value | Converted view | Basis |
|---|---|---|---|---|
| US United States market | U.S. Queen | 60 × 80 in | ≈ 152.4 × 203.2 cm rounded display conversion | nominal sleep surface |
| GB United Kingdom market | UK Queen / Small Double | 120 × 190 cm | ≈ 47.24 × 74.8 in rounded display conversion | nominal sleep surface |
| US United States market | U.S. King | 76 × 80 in | ≈ 193 × 203.2 cm rounded display conversion | nominal sleep surface |
| GB United Kingdom market | UK King | 150 × 200 cm | ≈ 59.06 × 78.74 in rounded display conversion | nominal sleep surface |
DIMENSION MODEL / FIVE LAYERS
BEDU records the basis of every important dimension so tools later know what the number actually measures.
Start with the exact normalized name. BEDU never uses substring matching to decide what size you meant.
Resolve the name inside an explicit market or return an ambiguous result.
The named convention describes a nominal mattress sleep surface, not the outside of a bed frame.
Manufacturer-specific mattress areas and furniture footprints are separate records with their own evidence and review dates.
When a regulation defines a dimensional threshold, BEDU stores it as a regulatory threshold rather than quietly treating it as a mattress-size convention.
PRODUCT EXAMPLE / NOT A STANDARD
A manufacturer-specific geometry record proving that a named mattress convention and a bed frame exterior footprint must remain separate data.
This is the named market convention.
This is product-specific geometry, not a replacement U.S. Queen definition.
This is the space occupied by the furniture footprint in plan.
Current manufacturer example: IKEA · reviewed 2026-09-09. Always recheck a current product page before purchase or fit decisions.
ICU / CONNECTED DISCOVERY
These links come from ICU's bounded public recommendation graph. Bed-size market scope, compatibility authority, fit geometry, history, and evidence boundaries remain unchanged.
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