How many scallops is 1kg?

I'm curious, how many scallops would typically make up 1 kilogram of this delicious seafood? Is there a standard size or weight that is commonly used when determining the quantity in a kilogram? And if so, how do these factors affect the final count of scallops in a given weight? It's important to understand these details to ensure accurate measurements and portioning when preparing or purchasing scallops.