What this number means
- Dimension basis
- Nominal sleep surface
- Market
- United Kingdom market
- Convention type
- market-convention
- Manufacturer-specific?
- No
SIZE ENTRY / GB MARKET
UK King
A common UK-market king mattress convention, distinct from the U.S.-market king convention despite the shared name.
150 × 200 cm
Converted view: ≈ 59.06 × 78.74 in. Rounded for display; source-unit value remains primary.
Why the name needs context
The word “king” is ambiguous across markets; UK and U.S. conventions are not dimensionally identical.
Same-name/conflicting record:
- U.S. King — United States market
PROVENANCE
Evidence and review
Which? · accessed 2026-09-09 · temporal class mutable-current.
BEDU policy: reverify mutable current sources before future definitive current tables or purchase decisions.