What Is the Purpose of A Box Spring?

A box spring is the base of the bed. It is a fabric-covered, sturdy wooden frame with coils or internal springs. Generally, a box spring is placed on the top of a wooden or metal bed frame. We place our mattresses under the box spring to get additional balance support. Usually, box spring and mattress shared the same sizes to fit properly.

In this article, we will discuss briefly the purposes of box spring and the other sides of it. Let’s start step by steps:

Purpose of a Box Spring

According to the Better Sleep Council, ‘box springs are work as a base for the mattresses. Both mattresses and box springs work together to hold the bed more strongly.’ Box springs have many purposes. Below we make a list about their purposes:

  • The general purpose of a box spring is to provide the mattress balance support.
  • Box Spring helps the mattress to keep its shape for years to come.
  • Provide underlying support for the mattress.
  • Raise the mattress to a more comfortable height and makes it easier to get in and out of bed.
  • Protect the mattress by absorbing impact and reduce the wear of the mattress.
  • Improve airflow that helps to keep the mattress cooler.
  • Provide extra support to the sleepers and help to align their body parts properly.
  • Box spring creates a flat, strong, and firm structure surface for the mattress to sit on and lie upon.
  • Box spring reduces the motion transfer rate that makes the couple sleep more comfortable.

Box Spring Pros and Cons


  • Allows the user to get on and off the bed more easily.
  • Extended mattress lifespan.
  • Gives you extra height.
  • Absorbs body weight better than its alternatives.
  • Prevents mattress sagging issues.
  • More traditional for those who like that kind of décor.


  • Need to rotate them regularly.
  • They cost extra money.
  • Lose support over some time.
  • Little to no room for storage under the bed.

Box Spring for Different Sizes mattresses

The size specifications of box springs and mattresses are the same to provide appeasement support for the mattress. So, it is very important to know the size of common types of mattresses for purchasing the best box spring. Below we mention a general size chart of different types of mattress:

Mattress SizeDimensions Inches (Width x Length)
Twin39W” x 75L”
Twin XL39W” x 75L”
Full/ Double54W” x 75L”
Queen60W” x 80L”
King76W” x 80L”
California King72W” x 84L”

Now you can choose your box spring according to the mattress sizes. The price of a box spring also depends on the mattress sizes.

Design and Types of Box Springs

Generally, box springs are designed in standard high profile and low profile. Standard high-profile box springs are designed in 9- inches height while low- profile box springs are 5 to 5.5 inches in height. Medium profile box springs are also found which are 6 to 8.5 inches in higher. Below we discuss different types of box springs:

  • Coil Box Springs: These box springs are made with wooden frames and coils. Coil box springs are best for the innerspring mattresses. Though it is often said that coil box springs are not able to provide proper support for the modern mattresses.
  • Zero-Deflection Box Springs: Zero- deflection box springs are more capable than the coil box springs for providing support to the modern mattresses. They are durable too. Zero- deflection box springs consist of wooden slats and also have some wires that make it more supportive.
  • Semi-Flex Box Springs: Usually semi-flex box springs are recommended for the heavier mattress like memory foam and latex. These types of box springs are more supportive and flexible. They can easily tolerate your mattress pressure.
  • Split Box Springs: Split Box Springs has two halves that make it easier to move. You also can use it in tight corners.

Use of Box Spring:

The decision is up to you. If you feel that you need a box spring to improvers your mattress comforts level then goes for it. You also can cope with your mattress without using any box spring. Below we mentioned some points for both when you should use box spring or not.

Box Spring Requires for

  • Those have a traditional metal rail bed frame. Specially cradle box spring designed frames.
  • Those innerspring mattresses are designed for use with a box spring.
  • These mattresses are specially manufactured for use with box spring.
  • Those sleepers like extra height for sleep.
  • Sleeper prefers to add bounce of a box spring.
  • Some mattresses’ warranty requires box spring.

Box Spring Not Requires for

  • Those who already installed any of the alternatives of box spring.
  • Not necessary to use a box spring with newly purchase latex, memory foam, or hybrid mattresses.
  • Those who have a platform bed, foundation, or bed base.
  • Those who like to sleep directly on the floor.

Alternatives to Box Springs

Common alternatives to standard box springs include the following:

Bed Frames

A bed frame is one of the most used alternatives to box spring. They are generally made from a combination of metal and wood. The bed frame also provides strong support to both sleepers and the mattress. There are different types of bed frames available in the market. Some of them are:

  • Platform beds.
  • Four-poster beds.
  • Canopy beds.
  • Sleigh beds.
  • Panel beds.

Adjustable Bases

Adjustable bases are also used as an alternative to box spring. They added extra height to the beds and creates different angles for sleeping. Adjustable bases allow the sleepers to adjust the beds or mattresses according to his/ her comforts. They are very effective for lower or back pain sufferer people and ensure good blood circulation to the sleepers. Nowadays, adjustable bases come into the market with various modern features.

Putting a mattress on the floor

If you don’t want to use a box spring or it’s any other alternatives then just put your mattress direct to the floor. This process has both positive and negative aspects. Putting the mattress directly on the floor will save you money. You don’t need extra money for purchasing a box spring or any other alternatives to it. Floor sleeping keeps the sleeper cool despite warm weather. At the same time sleeping on the floor mattress increase the risk of attack by different diseases and bacteria. Those who have dust allergies problem they should avoid floor sleeping.

We hope our article will help you to know more clearly about the box spring.


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