A King mattress measures 76 inches wide by 80 inches long, making it the widest standard mattress size available in the United States. Designed for couples who value extra personal space, it offers a more spacious sleep experience without sacrificing length.
Whether you're furnishing a large primary bedroom, sharing your bed with children or pets, or simply prefer room to stretch out, a King mattress provides the comfort and freedom that many sleepers look for when upgrading from a Queen.
When choosing a King mattress, consider your bedroom size, preferred sleeping position, and mattress type. Hybrid mattresses are popular for their combination of responsive support and airflow, while memory foam mattresses provide excellent pressure relief and motion isolation for couples.
Dimensions: 76" W × 80" L
Best For: Couples, spacious primary bedrooms, families with children or pets, sleepers who enjoy extra room
A larger mattress doesn't just give you more room—it can also create a more comfortable and less interrupted night's sleep.
A King mattress gives each sleeper approximately the same personal width as a Twin mattress, making it much easier to change sleeping positions without disturbing your partner. The additional space is especially valuable for couples with different sleep schedules, restless sleepers, or families who occasionally share the bed with children or pets.
Beyond comfort, a King mattress also creates a more balanced look in larger bedrooms, making it a popular choice for homeowners designing a spacious primary suite. If you have the room, upgrading to a King often improves both sleep quality and overall bedroom comfort.
A Queen mattress works well for many couples, but it may start to feel crowded if you both move frequently during sleep or share the bed with children or pets.
If your bedroom is at least 12' × 12', upgrading to a King mattress gives you significantly more personal space without changing the sleeping length. For many households, it's one of the simplest ways to improve sleep comfort.
Is a King mattress worth it for couples?
Yes. A King mattress gives each sleeper significantly more personal space, making it an excellent choice for couples who value comfort or are easily disturbed by movement during the night.
What room size is best for a King mattress?
A bedroom measuring at least 12' × 12' is generally recommended to accommodate a King mattress while maintaining comfortable walking space and room for additional furniture.
Is a King mattress better than a Queen?
A King offers more sleeping space than a Queen, making it ideal for couples, families with young children, or anyone who prefers extra room. A Queen remains a great option for standard-sized bedrooms and smaller spaces.
Can a King mattress fit through a standard doorway?
Yes. While a King mattress is much wider than a Queen, most modern King mattresses can be delivered compressed in a box or maneuvered through standard residential doorways. Always measure staircases and hallways if access is limited.
Thanks for joining the MattressExpress family 💙 Here's your special gift: WELCOME10. Apply it at checkout to save $10 on your first order.
This email has been registered!