how thick is a mattress
Full: Full mattress thickness can vary between 5 inches to over 20 inches in thickness. Queen: Mattress thickness can go anywhere from 5 inches to over 20 inches thick. King: Mattress thickness is often between 5 inches to over 20 inches thick.As you can see, there is a wide variety of mattress heights. The reason that mattress thickness varies from brand to brand and mattress model to mattress model is primarily do to support levels, quality, and comfort.f you wanted to know exactly what the thickness is for a coil spring mattress, I am afraid your are going to get a unclear answer. We are going to give you some idea of thickness you can anticipate when buying a new mattress.