what is the standard width of a king size bed
152 x 198 cm / 60 x 78 / 5' x 6'6. A standard king size bed is 5 feet wide and 6 feet 6 inches long (150 x 198 cm). Please note: from a king size bed and upwards the standard length increases by 3 inches to 6 feet 6 inches or about 2 metres.