Memory Foam Density Chart
To view product pages click the links in the second column from the left.
Memory foam density chart. Most things have density measurements or ratings including memory foam which is sometimes referred to as viscoelastic foam. Some manufacturers won t categorize the density of their products. To read our reviews of these brands please click the links found in the left hand column. If you have a memory foam mattress with a density of 5lbs per cubic foot the foam will weigh 5lbs per cubic foot of course.
All of this is correct yes. The measurements are 12 inches x 12 inches x 12 inches. 4 lb memory foam would be 28 lbs. Then a little more than a year later on january 16 2018 yoga sleep merged with marpac the maker of white noise machines adding yogabed mattresses to its offerings of.
For you visual learners it s represented by the equation. Are they exact or just a rough guide. 3 lb memory foam would be 21 lbs. You should also know that most memory foam mattresses have several layers so they can benefit from the different density characteristics explained below.
If i m looking at 5 3lb density memory foam in a 2 ck topper it should be 37 1 lbs according to this calculation. Low density foam mattresses can plague people with back pain due to the lack of support and this is one of the main reasons memory foam mattresses often get a bad rap among those with back problems. That s yet another misconception a higher density foam does not mean a higher quality foam either. Yogabed luxury memory foam mattress in late 2016 shortly after our original review of the yogabed yoga sleep introduced a second model the unplug.
Mattresses made with medium density foam are typically a good blend of comfort durability and support with a reasonable price tag. For memory foam the manufacturer takes a piece of foam that s one cubic foot. But you can play sleuth and figure out where your mattress belongs on a memory foam density chart if you know a little something about memory foam density ratings. The table below includes comfort layer and support core density figures for some of the today s most popular all foam beds along firmness levels and current price points.
These sleepers should choose a medium density mattress at the least although high density foam will provide the greatest amount of support. Double sided mattresses which you don t find very often these days should be at least 1 5 pounds per cubic foot of density and single sided mattresses should be 1 8 pounds per cubic foot. Mattresses have a low density rating if they have 3 or fewer pounds per cubic foot. Be careful not assume from the table above that a low density foam will be a low quality foam.
Second part of my question is how accurate are the density numbers that are given. While they re not as soft as low density memory foam you ll still sink into comfort without much resistance. A standard mattress need not be as dense to be of good quality. Density is not equal to quality.