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Full Size Mattress Frequently Asked Questions
What are the dimensions of a full size mattress?
A full size mattress measures 54" wide by 75" long. The thickness, or the height, of full beds varies by the model but are usually between 6" and 18".
Is a full bed a double bed?
Yes. The term "double bed" is really a full size mattress. This comes from a twin size, the smallest size, originally being called a 'single' and the full being an upgrade.
What is the difference between a full size and a twin size?
A full size bed measure 54" by 75" while a twin bed measures 38" by 75". That a 16" difference in width between the two sizes. Full beds are usually the first upgrade for kids who grow into teenagers and young adults.
Need Help Choosing a Mattress?
The mattress experts at Gardner White have your back! Our Mattress Buying Guide can help you cut through all the confusion when you're shopping for a new mattress. Decades of collective experience went into creating the perfect guide for mattress shopping, check it out now!
We've also developed a list of the Best Mattresses of 2023. These include the Best Innerspring Mattress, the Best for Back Pain, and the Best Cooling Mattress among ten other 'Best Of' models. If you're looking for the best of the best in a new mattress, this list is your go-to guide to find youre perfect fit!