Couple making a bed with white bedding

What Mattress Size Should You Go With? A Bed Size & Dimensions Guide

June 27, 2024

Author: Josie Lindsey

Choosing the mattress size that is right for you is just as important as choosing your mattress comfort level and construction type and considering your sleeping position.


Your current needs, living space and sleeping arrangement will influence your decision between choosing a Full over a Queen bed, while consideration of your future plans may affect whether you choose a King-sized bed versus a Queen size one.


No matter your situation we know that one size definitely doesn’t fit all when it comes to a bed, so take some time and consider the information below as your own personal comfort and mattress sizes guide that is here to help you find your perfect fit.


Before getting into the nitty gritty of the advantages of each individual sized mattress, here’s a US bed size chart to get your started. It breaks down the mattress dimensions in inches, square inches, and even square feet, allowing you to compare them to your available space.



Mattress Size Dimensions Guide 2023




Bed Type Width x Length Sq. Inches Sq. Feet
Twin 38″ x 74.5″ 2,831 19.7
Twin XL 38″ x 79.5″ 3,021 21
Full 53″ x 74.5″ 3,948.5 27.4
Queen 60″ x 79.5″ 4,770 33.1
King 76″ x 79.5″ 6,042 42
Cal King 72″ x 83.5″ 6,012 41.7








Approx. Bed Dimensions Size: 38” x 74.5” / 2,831 sq in / 19.7 sq ft

Have a child who has outgrown their crib? Have kids sharing a room? Have a bunk bed ? Have a daybed frame? Have very limited sleeping space? If your answer is yea to any of these questions you should consider investing in a twin sized bed.






Approx. Bed Dimensions: 38” X 79.5” / 3,021 sq in / 21 sq ft

Are you a single adult living in a small space like a studio apartment? Are you a college student looking for a good night’s sleep? Need to get a bed for your child’s first dorm room? Have an extra tall kiddo? Have a split king set up? If you said yes to any of these questions you should consider looking at a Twin XL.





Approx. Bed Size: 53” X 74.5” / 3,948.5 sq in / 27.4 sq ft

Do you have a compact living space? Are you a couple who doesn’t need a lot of space to move around at night? Do you have a child off to college that has a little larger dorm room? Do you have a young adult living at home with you? Do you have a growing child you don’t want to buy multiple beds for throughout the years? Do you have a guest room? If you were shaking your head yes to any of these questions then a full size (sometimes referred to as double size) bed is the way to go.




Approx. Size & Dimensions: 60” X 79.5” / 4,770 sq in / 33.1 sq ft

Are you a single sleeper who likes to spread out or roll around while sleeping? Are you on a budget? Are you looking for a bed that is big enough to stretch out on but doesn’t crowd your living space? Are you a couple who likes to cuddle? Is your family growing but your space isn’t quite yet? If you answered yes to any of these questions the most popular mattress size (queen) is what you should be looking at.





Approx. Size Measurements: Approx. 76” X 79.5” / 6,042 sq in / 42 sq ft

Do you like more room to spread out while you are sleeping? Do you love your significant other but crave your space in bed? Are you sharing the bed with a partner who is a hot or restless sleeper? Do you share a bed with someone on a different sleep schedule than you? Or are you a human or fur parent who sometimes shares their bed whether they really want to or not? Do you have a shorter, wider master bedroom or sleep space? If you answered yes to any of these questions and you have the extra room a king sized mattress is the way to go for you.







Approx. Bed Measurements: 72” x 83.5” / 6,012 sq in / 41.7 sq ft

Are you 6’2″ or taller? Do your feet hang off the end of your current bed? Do you have a long, narrow master bedroom/sleep space? Do you crave more leg room in the middle of the night? Do you like to sleep with a lot of pillows and find yourself towards the end of the bed at night? Do you have fur babies that like to sleep at the foot of your bed? If you nodded a yes to any of these questions and are looking for a long, narrow sleeping solution with enough room to still spread out on, a California King might be the solution you are looking for.


Still unsure which king size you should go with and whether you want inches wider or longer, check out this California King vs King blog post.



There is no right or wrong answer to the age old question, “What mattress size is best for me?” A new place to sleep is an investment you won’t want to replace in a few years so make sure you take your time, write out a pros and cons list if you have to, and don’t forget to consider the future along with your current situation. Good luck! You’ve got this!


A little nervous to shop online? We offer a 120 day in-home trial or if you would prefer we have hundreds of locations around the US where you can go try it out before you buy. Find a store near you now.



Featured Posts