How Much Memory Foam Should a Mattress Have

High-quality memory foam mattresses 10 to 14-inch thick are good enough to provide body-conforming support. They are durable and can last around 10 to 15 years. Memory foam mattresses thinner than this may not be supportive or durable enough, developing soft spots and sags within three to four years.

How thick of a memory foam mattress do I need?

Most memory foam mattresses are between 6-14 inches thick. … A 10 to 12-inch mattress is an excellent choice for adult sleepers. This height means the comfort layers should be at least 2 inches thick and have a 6-inch support base. This thickness range provides your body with the right support.

Is 8 inch memory foam enough?

An 8-inch memory foam mattress might be thick enough for a petite, single sleeper who prefers a firmer mattress. However, for plus-sized sleepers, large adults, side sleepers, or couples, an 8-inch mattress may be unable to bear their weight and can be uncomfortable.