Difference Between Twin XL and Full | Twin XL vs Full

The key difference between Twin XL and full beds or mattresses is that a twin XL mattress is 39” X 80” whereas a full mattress is 54” x 75”. Thus, a full bed or a mattress is larger than a twin XL.

Twin XL and full are bed or mattress sizes are two options available to you if you are looking for a mattress larger than a single or twin bed. Furthermore, twin XL can usually accommodate only one sleeper while a full mattress can accommodate two sleepers.


1. Overview and Key Difference
2. What is a Twin XL Bed
3. What is a Full Bed
4. Side by Side Comparison – Twin XL vs Full in Tabular Form
5. Summary

What is a Twin XL Bed?

The dimensions of a twin XL are typically 39” X 80”. It is 5” longer than a standard twin bed (39” X 75”) although the width of the bed is the same. Moreover, a twin XL can also only accommodate only one sleeper, just like a standard single or twin bed. However, it offers more leg room for the sleeper, especially if he or she is a tall person.