What this number means
- Dimension basis
- Nominal sleep surface
- Market
- United States market
- Convention type
- market-convention
- Manufacturer-specific?
- No
SIZE ENTRY / US MARKET
U.S. King
A common U.S.-market king mattress convention. BEDU keeps the named convention separate from product-specific mattress and frame dimensions.
76 × 80 in
Converted view: ≈ 193 × 203.2 cm. Rounded for display; source-unit value remains primary.
Why the name needs context
“King” resolves to different dimensions in different markets; do not infer dimensions without region.
Same-name/conflicting record:
- UK King — United Kingdom market
PROVENANCE
Evidence and review
Sleep Foundation · accessed 2026-09-09 · temporal class mutable-current.
BEDU policy: reverify mutable current sources before future definitive current tables or purchase decisions.