Never Get A King Size Bed . The measurements of a california king are a bit longer and not as wide, the dimensions are approximately 72 inches wide by 84 inches long. Get our latest offers, bedroom inspiration and sleep advice delivered straight to your inbox. New King Size Fabric Bed Frame Light Grey from yesfurnitureonline.com.au While a queen size bed is 60 inches (152 cm) wide, a king size bed is 76 inches (193. 76″ wide x 80″ long. Cal king is 4” longer but 4” narrower when compared to a standard king.