What is the difference of a king size bed or a queen size bed?

I want to know the difference of a king size bed or a queen size bed. Because recently my friend has purchased a queen size bed from Mr. Furniture.co . so he asks me what is a king size bed? But I can't answer. I have no idea about king size bed or a queen size bed.Can anyone tell me please...

King size beds are bigger than queen size beds. If thats what you are referring to?

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Whether King or Queen of the household choosing a King bed or Queen bed, it completely depend on the room size as well as the needs of those sleeping on the mattress. However, the basic differences in both are: King-size beds are the widest of all the bed styles and a queen-size bed is like a full bed only larger. The standard measurement of King Size bed is seventy-six (76”) inches wide and eighty 80 inches long while the measurement of queen size bed is sixty 60 inches by eighty 80 inches, making it is six 6 inches wider and six 6 inches longer than a full bed. https://allworldfurniture.com/collections/contemporary-bed-furniture