The standard dimensions of a king size bed are 76 inches wide by 80 inches long (193 cm by 203 cm). This size provides a spacious sleeping area of about 42.22 square feet (3.92 square meters), making it ideal for couples, people who share their bed with children or pets, or anyone who prefers extra room to spread out
. In feet, a king size bed measures approximately 6 feet 4 inches wide by 6 feet 8 inches long
. The mattress thickness typically ranges from 9 to 12 inches (23 to 30 cm)
. King size bed frames vary slightly depending on style:
- Platform bed frame: about 80” wide x 76” long (203 cm x 193 cm)
- Bed frame with headboard or storage bed frame: about 86” wide x 80” long (218 cm x 203 cm)
This size is the widest standard mattress size available, wider than a queen (60” x 80”) and California king (72” x 84”), and is best suited for larger bedrooms due to its size
