Choosing a new mattress is one of the most important decisions you can make for your home and your health. While factors like firmness and material are crucial, selecting the right size is the first step toward achieving a perfect night’s sleep. The right mattress size can transform your bedroom into a sanctuary of comfort, while the wrong one can lead to cramped, restless nights. With several standard options available, understanding the differences is key to making an informed choice.
Navigating the world of mattress sizes can feel confusing. Is a double big enough for two? Is a king worth the extra space? This guide will break down the dimensions and best uses for each standard mattress size, helping you determine the perfect fit for your bedroom, your lifestyle, and your sleep habits. By the end, you’ll have the confidence to select a mattress that provides ample space to rest and recharge.
Mattress Sizes Chart: A Quick Overview
Before we dive into the details, here is a quick-reference chart of standard North American mattress dimensions. Note that measurements can vary slightly (by about an inch) between manufacturers.
- Crib: 28″ x 52″ (71 cm x 132 cm)
- Twin/Single: 38″ x 75″ (96.5 cm x 190.5 cm)
- Twin XL: 38″ x 80″ (96.5 cm x 203 cm)
- Double/Full: 54″ x 75″ (137 cm x 190.5 cm)
- Queen: 60″ x 80″ (152 cm x 203 cm)
- King: 76″ x 80″ (193 cm x 203 cm)
- California King: 72″ x 84″ (183 cm x 213 cm)
Crib Mattress
While we focus on adult mattresses, it’s helpful to start with the smallest size. Crib mattresses have federally regulated dimensions to ensure a snug and safe fit within a standard crib frame. Their firm surface is designed to support the safe development of infants. Once a child outgrows their crib, they are typically ready to move up to a Twin.
Twin / Single Mattress
Dimensions: 38″ x 75″
The Twin, also known as a Single, is the smallest standard mattress size designed for adults. Its compact footprint makes it the perfect solution for children’s rooms, bunk beds, and daybeds. It’s also an excellent choice for smaller guest rooms or any space where maximizing floor area is a priority. A Twin mattress provides enough room for a single sleeper who is not exceptionally tall. It’s a popular and budget-friendly option for solo sleepers living in tight quarters like studio apartments.
Twin XL Mattress
Dimensions: 38″ x 80″
The Twin XL (Extra Long) offers the same width as a standard Twin but adds five inches of length. This extra length makes a significant difference for taller teenagers and adults, preventing their feet from hanging off the end of the bed. The Twin XL is the standard size found in most university and college dorm rooms for this very reason. It’s an ideal choice for tall individuals sleeping alone in a smaller room. Two Twin XL mattresses can also be pushed together to form a Split King, a popular option for couples with different firmness preferences.
Double / Full Mattress
Dimensions: 54″ x 75″
The Double, also commonly called a Full mattress, was once the standard for couples. However, by today’s standards, it can be a tight fit for two. A Double bed provides each person with only 27 inches of personal space, which is the same width as a crib mattress. For a single sleeper, however, a Double offers a significant upgrade in space from a Twin, providing plenty of room to stretch out. It’s a great choice for guest rooms or for a single adult who wants more sleeping surface but doesn’t have room for a Queen.
Queen Mattress
Dimensions: 60″ x 80″
The Queen is by far the most popular mattress size in North America, and for good reason. It strikes the perfect balance between comfort and space efficiency. At 60 inches wide and 80 inches long, it offers ample room for most couples to sleep comfortably without feeling cramped. For single sleepers, a Queen provides a luxurious amount of space. Its versatile size fits well in most master bedrooms without overwhelming the room, leaving space for other furniture. This combination of size, comfort, and practicality makes it the go-to choice for the majority of adults.
King Mattress
Dimensions: 76″ x 80″
A standard King, sometimes called an Eastern King, is the widest mattress available. It offers a truly luxurious amount of sleeping space. A King mattress is the same length as a Queen but is 16 inches wider, providing each person with the equivalent space of a Twin XL mattress. This makes it the ideal choice for couples who value their personal space, or for families who enjoy weekend morning cuddles with kids or pets. If you have a spacious master bedroom and want the ultimate in comfort and room to spread out, a King mattress is an excellent investment.
California King Mattress
Dimensions: 72″ x 84″
The California King, or Cal King, trades width for length. It is four inches narrower than a standard King, but also four inches longer. This makes it the longest standard mattress size on the market, perfect for very tall individuals or couples who need extra legroom. It’s also a great fit for narrower, longer master bedrooms where a standard King might feel too wide. If you or your partner are over six feet tall and find your feet dangling off a Queen or King, the California King is the solution you’ve been looking for.
How to Choose the Right Mattress Size for You
When selecting a mattress, consider these key factors:
- Your Room Size: Measure your bedroom and ensure there is at least two feet of walking space around the bed. A mattress that is too large can make a room feel cramped.
- Who Will Be Sleeping in the Bed: Are you a solo sleeper, or do you share the bed with a partner, children, or pets? Couples generally need at least a Queen for comfortable sleep.
- Your Body Size and Height: Taller individuals (over six feet) should strongly consider a Queen, King, or California King to ensure they have enough legroom.
- Your Budget: Mattress prices increase with size. Determine your budget beforehand, but remember that a mattress is a long-term investment in your health and well-being.
Choosing the right mattress size is a foundational step toward better sleep. By considering your space, your lifestyle, and your personal comfort needs, you can confidently select the perfect dimensions for your bedroom. A mattress is not just a piece of furniture; it’s a commitment to your quality of life.
At L&B Luxury Beds, we offer a wide range of high-quality mattresses in all standard sizes. We are dedicated to helping you achieve the restorative sleep you deserve. Our team of sleep experts is ready to guide you through the options and help you make the best choice.
Ready to upgrade your sleep experience? Browse our collection online to find your perfect mattress, or contact us today to book an appointment at our showroom.