Bed frames are panels made from wood or metal to support your mattress and keep it in place. They also boost your mattress off of the ground.
Bed frames are panels made from wood or metal to support your mattress and keep it in place. They also boost your mattress off of the ground, which is littered with germs capable of ruining your mattress, and they make it easier to get in and out of bed.
The most basic bed frames only have the railing to hold your mattress and foundation, but others include a headboard, footboard, and even slats to support your mattress without an additional foundation.
Bed frame dimensions roughly correspond with the bed size they pair with: twin, twin XL, full, queen, king, and California king. If anything, the frames might be 2 to 5 inches bigger than the mattresses, though the exact size difference varies on the style and manufacturer.
Knowing bed frame sizes is helpful when deciding whether it will fit in your home and ensures your frame isn’t too big for your mattress. Let’s run through the standard sizes for bed frames and take a look at some different frame styles.
Bed Frame Sizes Overview
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Twin (single) bed frames are roughly 40-43 by 77-80 inches and fit a twin mattress . A frame of this size is a good option for a toddler transitioning into their first big kid bed, older children and teens, and adults with limited living space.
Your bedroom should be at least 7 by 10 feet to accommodate a twin size mattress and leave extra space for walking around, a play area, and any other furniture. Some twin bed frames are bunk beds, so you can sleep two people while taking up minimal space.
Twin XL mattresses and bed frames are the same width as twin bed frames, however, they’re about 5 inches longer. The extra length better accommodates people of different sizes and ages, and as a result, twin XL bed frames are common for college dorms , studio apartments, and children’s bedrooms. Like twin bed frames, twin XL bed frames come in a bunk bed variation .
Since twin XL and twin bed frames are quite similar in size, your room should be at least 7 by 10.5 feet to fit a twin XL frame, just like a twin frame.
Full bed frames are the same length as a twin bed frame, but they’re 16 inches wider so sleepers aren’t so cramped. They are an excellent option for any single sleeper who wants space to stretch out or move around in bed more, but they are too small for taller sleepers and couples.
A full size mattress and bed frame is a good choice for young adults who are getting their first bed and live in small homes or studio apartments.
Full beds don’t take up much space—your room only needs to be at least 9.5 by 10.5 feet to accommodate this frame.
Queen beds and bed frames are the most popular mattress size for single adults. The beds are wide, but long, measuring 62-65 by 82-85 inches, so it’s a good fit for the average adult.
Some couples also enjoy a queen mattress to sleep on. While queen bed frames aren’t quite as long as a king or California king bed frame, each person still gets a reasonable amount of room to themselves. However, very tall or plus-sized couples may find queen bed frames a bit tight.
A queen size bed frame works well for guest rooms since the bed can fit multiple people.
In order to accommodate the queen bed frame’s size in your home, your room should be at least 10 feet wide by 10 feet long.
King bed frames are popular among couples because they’re the largest bed frame size, so both people have lots of personal space. King size mattresses also suit parents who co-sleep with their child on occasion.
Since a king size bed frame is rather big, it’s limited to only large master bedrooms no smaller than 12 by 12 feet.
California king bed frames are a longer and narrower version of your standard king bed frame, but they aren’t larger. The extra length on California king bed frames is excellent for very tall adults who need more leg room. The California king mattress still works for couples since both people get enough space for themselves.
Ideally, your room should be no smaller than 12 by 12 feet to fit a California king bed frame.