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Shopping for a new box spring but unsure of which size to get? From standard box springs to low profile box springs to split box spring sizes, we’ve got you covered. Take a look at our handy chart below to find the right size for you.
Standard box spring sizes chart
| Box Spring Size | Length | Width |
|---|---|---|
| Twin | 75-76" | 38-39" |
| Twin XL | 80-81" | 38-39" |
| Full | 75-76" | 54-55" |
| Full XL | 80-81" | 54-55" |
| Queen | 80-81" | 60-61" |
| Olympic Queen | 80-81" | 66-67" |
| Split Queen | 80" | 30-31" |
| California Queen | 84-85" | 60-61" |
| King | 80-81" | 76-77" |
| Split King | 80-81" | 38-39" |
| California King | 84-85" | 72-73" |
| Alaskan King | 108" | 108" |
| Wyoming King | 84" | 84" |
| Texas King | 98" | 96" |
| Vermont King | 96" | 96" |
| Family Bed | 84" | 144" |
Box spring measurements by size
Just like bed frame sizes, box springs can either be exact the same dimensions as its corresponding mattress size or a couple of inches larger. That goes for all types of box springs, including a low profile box spring and split box springs.
Twin size box spring dimensions
Twin box spring dimensions range from 75-76 inches tall and 38-39 inches wide. Twin sized box springs are meant to be used with a twin mattress.
A twin size mattress can accommodate children and average-sized adults, although it may be a little too short for tall sleepers. Twin size mattresses are also a common bunk bed size.
Twin XL box spring dimensions
Twin XL box spring dimensions falls between 80-81 inches in length and 38-39 inches in width. Twin XL box springs fit a Twin XL mattress.
Twin XL box springs and Twin XL mattresses have the exact same width as a Twin mattress but are a good 5 inches longer making it a good option for those who are tall.
Full box spring dimensions
Full box spring dimensions can be around 75-76 inches in length and 54-55 inches in width. Full-sized box springs are meant to be used with a full size mattress.
With the same length as a Twin-sized mattress but substantially wider, the Full-size mattress can, in theory, accommodate a couple but it would not give them a lot of room to move around.
The Full-size mattress is perfect for a single sleeper to be able to sleep comfortably. It also fits well into smaller rooms for those who don’t have bigger bedrooms.
Full XL box spring dimensions
A Full XL box spring measures 80-81 inches in length and 54-55 inches in width. Although not very common (both the box spring and the mattress), Full XL box springs fit Full XL mattresses.
Full XL mattresses are perfect for single sleepers who are a bit on the taller side although if they are also larger in body shape, they may not have a lot of room to move around.
Queen box spring dimensions
The most common mattress size and box spring size as well, a Queen box spring measures 80-81 inches in length and 60-61 inches in width.
Queen-sized beds are an excellent choice for both single sleepers and couples – given that they are average-sized and not too tall. A Queen-size mattress is also versatile in such a way that it would fit into both smaller bedrooms and master bedrooms alike.
Olympic Queen box spring dimensions
Olympic Queen box spring dimensions range from 80-81 inches in length and 66-67 inches in width. Olympic Queen box springs fit an Olympic Queen-size mattress.
Olympic Queen beds offer 6 inches more width than a regular Queen mattress which can offer a lot more room for couples to move around. Olympic Queen mattresses are a good choice for those who prefer something a but wider than Queen mattresses but are not really fully committed to the idea of getting a King-size bed.
Split Queen box spring dimensions
Split Queen box springs are two separate box springs that measure 30-31 inches in width and 80 inches in length.
When put together, split Queen box springs make up a Queen-size box spring and can fit a Queen-size mattress.
Some mattress brands offer split Queen mattresses although they are somewhat rare. They can fit the same amount of sleepers as a regular Queen mattress.
California Queen box spring dimensions
California Queen box spring dimensions range from 84-85 inches in length and 60-61 inches in width.
California Queen mattresses have the same width as regular Queen mattresses but are far longer. California Queen beds are a solid choice for those that prefer taller Queen size beds.
King-size box spring dimensions
King-size box springs measure around 80-81 inches in length and 76-77 inches in width. King-size box springs are meant to be used with King-sized mattresses.
King beds can comfortably fit a couple and a small child. Larger sized couples would also do well by choosing a King-size bed.
Split King box spring dimensions
Just like split Queen box springs, split King-size box springs are two separate box springs that measure 80-81 inches in length and 38-39 inches in width (which is the exact same dimensions as that of a Twin XL box spring).
Technically, you just get two Twin XL box springs and that would make up a split King box spring.
A split King box spring can fit either two Twin XL mattresses or one King-sized mattress.
California King box spring dimensions
California King box springs measure 84-85 inches in length and 72-73 inches in width. California King box springs are meant to be used with California King mattresses.
A favourite amongst professional basketball players, California King beds can sleep taller and heavier individuals very comfortably, with a lot more room to spare.
Oversized box springs
Those who prefer bigger beds than the standard mattress sizes, American bed brands offer a whole slew of oversized beds that can literally fit an entire family and then some.
Suffice it to say, these oversized mattresses also come with corresponding oversized box springs.
Alaskan King
Alaskan King box springs measure a whopping 108 inches in length and 108 inches in width. Alaskan King beds are the second largest mattresses in America (in terms of width) and can fit up to 5 average-sized adults.
Alaskan King beds are usually preferred by large families who practice co-sleeping.
Wyoming King
Wyoming King box springs measure 84 inches in length and 84 inches in width. Wyoming King beds are perfect for heavier individuals who share a bed with an equally sized partner.
Texas King
Texas King-size box springs measure 98 inches long and 80 inches wide.
Texas King beds can provide adequate support for extremely tall individuals who prefer a lot of room to move around but too much that the bed itself can’t fit into a normal sized master bedroom.
Vermont King
Vermont King-size box springs measure 96 inches in length and 96 inches in width.
Vermont King beds are a good choice for families that like to practice co-sleeping but don’t want something a little too oversized like the Alaskan King or a Family Bed.
Family Bed
Family bed-size box springs measure 84 inches in length and 144 inches in width.
The widest mattress size by far, Family Beds are perfect for very large families who like to share a bed.
FAQs
There are different heights for box springs. It all depends on the box spring brand. Usually, box springs come in standard heights which can range around 6-10 inches as well as low profile box springs which range around 3-5 inches.
Although not a necessity or something that should be set in stone, box springs don’t necessarily need to be larger than a mattress although like with bed frames, some box springs can be an inch bigger than a mattress. This can also depend on the style and make of the box spring.
Conclusion
Just like mattresses, box springs can come in different sizes and dimensions. Depending on the mattress size you have, it would be best to get the corresponding box spring size.
Next step: Take a look at our guide to the best box springs for memory foam mattresses. We tested out each of the top brands and came up with a list of benefits and drawbacks for each so you can easily decide which one is right for you.
Michelline loves nothing more than a cozy bed, with a stack of books at her side. She loves getting lost when she travels, can bake an entire British afternoon tea from scratch, is obsessed with all things analogue and does calligraphy on the side. She currently suffers from mild insomnia and is more than happy to be your guinea pig, so you won’t have to go through all the trouble of finding out what works best for you.
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