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    Home » The Definitive Guide to Each Crib Mattress Size

    The Definitive Guide to Each Crib Mattress Size

    By Snooze StaffApril 27, 2022Updated:December 7, 2022
    overhead view of newborn baby sleeping on his side in crib
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    There’s a lot to consider when choosing a crib mattress, and size is one of the most critical factors.

    In this mattress review, you’ll see how crib mattresses come in various standard sizes, and you’ll want to make sure you choose a mattress that fits snugly.

    Mother sitting near the cradle and holding baby's hand

    There Are Four Different Crib Mattress Sizes

    Crib mattress sizes are available in various materials, including foam, coil, and latex. There are also multiple thicknesses to choose from, depending on your needs. For example, some people prefer a thinner mattress for their children to easily transition to a regular bed when they outgrow their crib. Others prefer a thicker mattress for added support and comfort. No matter your preference, there is sure to be a crib mattress perfect for you and your little one.

    overhead view of baby in crib

    Table of Contents
    1. Standard Crib Mattress
    2. Toddler Bed Mattress – Mini Crib
    3. Full Size Crib Mattress
    4. Twin XL Crib Mattress
    5. Conclusion

    Standard Crib Mattress

    The most common size is the standard crib mattress, 51.625 inches long and 27.25 inches wide. This size mattress will fit most cribs, although there are some exceptions. For example, cribs that have an arched headboard or footboard will require a special mattress that is slightly longer and narrower.

    Benefits of the Standard Crib Mattress

    A standard crib mattress is a crib mattress that meets the specifications set by the crib manufacturer. A standard crib mattress typically has a layer of firm, high-density foam on the bottom and is covered with fabric. The foam layer supports the baby’s back and head, and the fabric helps keep the baby warm. Standard crib mattresses are usually made from polyurethane foam, a type of plastic. Polyurethane foam is a highly durable material that will not break down over time.

    Standard crib mattresses are also often made from memory foam, which is a type of foam that molds to the baby’s body. Memory foam can provide support and comfort for the baby, but it can also be more expensive than polyurethane foam.

    baby with pacifier sleeping in crib

    Standard Crib Mattresses We Love

    1. Graco Premium Foam Crib & Toddler Mattress – GREENGUARD Gold and CertiPUR-US Certified, 100% Machine Washable, Breathable, Water-Resistant Cover, Recommended Firmness for Infants
    2. Graco Premium Foam Crib & Toddler Mattress – GREENGUARD Gold and CertiPUR-US Certified, 100% Machine Washable, Breathable, Water-Resistant Cover, Recommended Firmness for Infants
      $89.99
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      01/31/2023 10:06 pm GMT
    3. Dream On Me Twilight 5” 88 Coil Inner Spring Crib And Toddler Mattress I Waterproof I Greenguard Gold Certified I 10 Year Limited Warranty I Vinyl Cover I Made In The U.S.A | Support And Comfort |
    4. Dream On Me Twilight 5” 88 Coil Inner Spring Crib And Toddler Mattress I Waterproof I Greenguard Gold Certified I 10 Year Limited Warranty I Vinyl Cover I Made In The U.S.A | Support And Comfort |
      $41.17
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      01/31/2023 06:22 am GMT
    5. Bubble bear Premium Foam Crib and Toddler Mattress 52" x 27.6" x 5"– Sturdy Ideal Firmness for Baby, Hand Crafted Sewing, Fits Standard Size Cribs & Toddler Bed
    6. Bubble bear Premium Foam Crib and Toddler Mattress 52" x 27.6" x 5"– Sturdy Ideal Firmness for Baby, Hand Crafted Sewing, Fits Standard Size Cribs & Toddler Bed
      $56.99
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      01/31/2023 01:16 pm GMT

    Toddler Bed Mattress – Mini Crib

    The toddler bed mattress measures around 52 inches long and 28 inches wide. This size mattress is specifically designed for toddler beds, and it will not fit in a crib.

    Benefits of the Toddler Bed Mattress

    When making the crib to toddler bed transition, many parents wonder whether they should get a new mattress for their child. While a crib mattress can technically be used for a toddler bed, there are some advantages to investing in a toddler bed mattress.

    First of all, a Toddler bed mattress is the same size as a crib mattress, so there will be no need to replace sheets or blankets. Secondly, most toddler bed mattresses are made with polyurethane foam, which is more durable and supportive than the crib mattresses typically made with coil springs.

    Finally, a Toddler mattress, also known as a mini crib mattress, is designed to be lower to the ground than crib mattresses, making it easier for toddlers to get in and out of bed independently. There are several benefits to using a Toddler bed mattress, and parents should definitely consider this option when transitioning from crib to toddler bed.

    overhead view of smiling baby in crib

    Full Size Crib Mattress

    The largest crib mattress size is the full-size crib mattress, around 55 inches long and 29 inches wide. This size mattress is large enough to accommodate most adults, making it ideal for a daybed or guest room.

    Benefits of the Full Size Crib Mattress

    The full size crib mattress provides a comfortable and safe place for your little one to sleep. This full size mattress is the largest mattress available for baby cribs, and there are many benefits to using a full size mattress in your baby crib.

    One advantage is that it provides more sleeping surfaces for your baby. This means that your baby will have more room to move around and stretch out. Another benefit of a full size mattress is that it will last longer than a smaller mattress. A full size mattress can also be used as your child grows. If you decide to convert your crib into a toddler bed, you can use the same mattress. This can save you money in the long run.

    Finally, a full size mattress provides your baby with a more comfortable sleeping surface. The increased surface area will provide extra support and comfort for your baby. This can help your baby to sleep better through the night. When choosing a mattress for your baby, it is important to consider all of these factors. A full size mattress is an excellent choice for any parent who wants to provide their child with the best possible sleeping experience.

    Baby standing in crib and looking up

    Full Size Crib Mattresses We Love

    1. Zinus 6 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, Full
    2. Zinus 6 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, Full
      $158.19
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      01/31/2023 11:11 pm GMT
    3. Linenspa 8 Inch Memory Foam and Innerspring Hybrid Medium-Firm Mattress -Full Mattress
    4. Linenspa 8 Inch Memory Foam and Innerspring Hybrid Medium-Firm Mattress -Full Mattress
      $179.99
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      01/31/2023 08:06 am GMT
    5. ZINUS 6 Inch Green Tea Cooling Gel Memory Foam Mattress / Cooling Gel Foam / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Full
    6. ZINUS 6 Inch Green Tea Cooling Gel Memory Foam Mattress / Cooling Gel Foam / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Full
      $169.00
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      01/31/2023 11:32 am GMT

    Twin XL Crib Mattress

    Finally, the twin size crib mattress is around 45 inches long and 37 inches wide. This size mattress is designed for twin-size beds, and it will not fit in a crib. When choosing a crib mattress, it is crucial to make sure that you select the correct size for your needs.

    Benefits of the Twin XL Crib Mattress

    When it comes to outfitting your nursery, one of the most important decisions you’ll make is choosing the right mattress for your baby’s crib. The mattress you select will play a role in your child’s comfort and sleep quality, so it’s essential to take the time to find the perfect option.

    One mattress size that is often recommended for newborns is the twin size mattress. Here are some of the benefits of choosing a twin size mattress for your baby’s crib:

    A twin XL mattress is an excellent option for newborns because it provides plenty of space for your child to move around and get comfortable.

    In addition, the twin XL mattress is a good choice if you have a smaller nursery, as it takes up less space than a larger mattress would.

    Another benefit of the twin size mattress is that it can easily be transitioned to a toddler bed when your child outgrows their baby crib mattress. The twin size mattress is an excellent choice for any new parent with many benefits.

    toddler in bed pushing bedding onto floor

    Twin XL Crib Mattresses We Love

    1. Zinus 8 Inch Ultima Memory Foam Mattress / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Twin XL
    2. Zinus 8 Inch Ultima Memory Foam Mattress / Pressure Relieving / CertiPUR-US Certified / Bed-in-a-Box, Twin XL
      $186.39
      Buy Now

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      01/31/2023 05:06 am GMT
    3. LUCID 10 Inch Memory Foam Medium-Plush - Gel Infusion – Hypoallergenic Bamboo Charcoal- Twin XL Size Mattress
    4. LUCID 10 Inch Memory Foam Medium-Plush - Gel Infusion – Hypoallergenic Bamboo Charcoal- Twin XL Size Mattress
      $239.99
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      01/31/2023 10:42 am GMT

    Conclusion

    Hopefully, with these facts in mind, you can now decide on the best mattress.

    Keep in mind when choosing the best crib mattress, there are many factors, including size, firmness, and materials for your little one. A travel crib is the smallest option, and they are typically made from lightweight, breathable fabrics.

    A firm mattress with memory foam is best for infants as they provide support and reduce the risk of SIDS.

    Full-size cribs are the most popular option, as they can be used for toddlers and young children as well.

    Foam mattresses are a good choice for full-size cribs, as they are comfortable and durable.

    Ultimately, the best crib mattress for your family will depend on your individual needs and preferences. However, all of the options listed above can provide your child with a safe and comfortable sleeping environment.

    Snooze Staff

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