How many coils should a king size mattress have?

A king-size mattress typically contains between 300 to 1,000 coils, depending on the type and design of the mattress. In general, higher coil counts can provide better support and durability. However, the quality of the coils and the overall construction of the mattress are also crucial factors in determining comfort and support. It's essential to consider both coil count and material when choosing a mattress.