In the Bedroom

What Is The Normal Thickness Of A Mattress & Boxspring?

Estimated reading time: 3 minutes

If you wanted to know exactly what the thickness is for a coil spring mattress, I am afraid you are going to get an unclear answer. We are going to give you some idea of thickness you can anticipate when buying a new mattress. So what is the normal thickness of a mattress & boxspring?

Common Mattress Sizes & Thickness Measurements

Twin: Twin mattress thickness often ranges anywhere from 5 inches to over 20 inches thick.
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 and boxspring heights. The reason that mattress thickness varies from brand to brand and mattress model to mattress model is primarily due to support levels, quality, and comfort. Mattress manufacturers look to hit popular consumer price points and comfort levels. This is America and in America, free-market businesses are going to be competitive and offer lots of choices.

Mattress models ranging in thickness from 10 to 14 inches thick are the most acceptable to mattress buyers. As shown above, traditional coil spring mattresses can range from about 5 inches to well over 20 inches in thickness. Yes, I said 20 inches. However do not fear, bedding manufacturers looking to make a buck are on the ball and are making special sheets, mattress pads, and bedspreads to fit these new thick mattresses. If you have problems finding the correct mattress thickness be sure to contact a mattress store.

Common FAQs About The Normal Thickness Of A Boxspring

  • How Thick Is A Normal Box Spring? – Mattress models ranging in thickness from 10 to 14 inches thick are the most acceptable to mattress buyers. As shown above, traditional coil spring mattresses can range from about 5 inches to well over 20 inches in thickness.
  • What Is Better 10 Inch Or 12 Inch Mattress? – Is it better to have a thicker mattress? Mattresses 10 inches thick or more are good for enhanced comfort and support. If you are a side sleeper, a 12 to 14-inch thick mattress most likely will provide the extra cushioning you need.
  • How Thick Is A Spring Mattress? – On average, people should choose a thickness over 23cm and, to give an example, spring mattresses run between 20 and 25cm thick while foam and latex mattresses seem to stay between 15 and 20cm.
  • How Thick Is A Twin Box Spring And Mattress? – Like most standard mattresses, a twin mattress is between 8-13 inches in width, or about 20-33 cm thick.
  • How High Should A Mattress Be Off The Ground? – Most mattresses are 16 to 24 inches from the floor; to judge which end of the spectrum your bed should be, sit at the edge of the bed. If your feet are flat against the floor and your knees are in a straight line with your hips, your bed is the right height.

Check Out Our Heavy Duty Mattress Guide

Do You Need A Heavy Duty Mattress?

Learn More

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Douglas Belleville

Doug Belleville and his father Dave own and run STLBeds - a specialty sleep store located in Arnold, MO. The staff at STLBeds is highly educated about sleep, comfort and their special sleep products. STLBeds only carries high quality mattresses and bed-related products. You won't find the brand names here - click here to find out why!

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