A standard king mattress measures 76 inches wide by 80 inches long (approximately 193 cm by 203 cm). It is the widest standard mattress size available in the US and provides ample space for couples, families co-sleeping with children, or those who want extra room to sprawl out during sleep
. In feet, this translates to 6 feet 4 inches wide and 6 feet 8 inches long
. This size is larger than a queen mattress (60" x 80") and wider but shorter than a California king mattress, which measures 72 inches wide by 84 inches long
. King mattresses require a spacious bedroom, ideally at least 12 feet by 12 feet, to accommodate the bed comfortably and allow for movement around it
. In summary:
- Dimensions: 76" wide x 80" long (193 cm x 203 cm)
- Area: 6,080 square inches
- Best for: Couples who want extra sleeping space or families sharing the bed
- Recommended room size: Minimum 12' x 12'
This makes the king mattress a luxurious and spacious choice for many sleepers
