Super-Single mattress size is 48 inches wide x 84 inches long. These are standard Super Single bed measurements. Super Single Mattress depths can vary. In general, a wood sided water bed mattress is 8 to 9 inches thick. Many times, actual super single mattress dimensions will vary by up to three inches, usually smaller. This is a size generally used for water beds.
Wood sided water beds were very popular in the last 30 years with the baby boomers. Since then, many boomers have aged and prefer innerspring conventional mattresses. Some of these boomers have substantial investments in their water bed wood frame and matching furniture. They can delete their water mattress and replace it with a King Size water bed innerspring replacement mattress. The mattress size measurement dimensions of a Super Single Size water bed innerspring replacement mattress is approximately 46 inches wide by 82 inches long. The mattress is a few inches smaller than the wood water bed frame to allow easier bedding installation. The same bedding can be used for both a water filled water mattress and a replacement innerspring mattress. The depth or height of this Super Single Size water bed innerspring replacement mattress is approximately 8 to 10 inches.