Skip to Content

Qu Size 101: Standard Sizes, Mattress Dimensions, and Custom Quilt Tips (2024)

This site is supported by our readers. We may earn a commission, at no cost to you, if you purchase through links.

quilt size 101Quilt size 101 covers the essentials for creating perfectly fitted quilts.

First, understand standard mattress sizes and their corresponding quilt dimensions for overhang. A coverlet quilt allows 6-10 inches of drop, while bedspreads extend 12+ inches over the bed.

Next, calculate backing fabric based on batting needs and quilting method.

Finally, customize patterns by adjusting block scale, borders, and sashing for a personalized touch.

With these basics mastered, you’ll be crafting quilts suited to any bed like a pro. The stage is set to explore more advanced techniques.

Key Takeaways

  • Knowing standard mattress measurements and corresponding quilt sizes is like having a treasure map – it guides you through the patchwork maze to your "X marks the spot" perfect quilt fit.
  • Backing fabric calculations feel like deciphering an ancient riddle, but nail the batting needs, quilting method, and yardage estimates – voilà! You’ve unlocked the secrets to a seamless finish.
  • Quilt patterns are your blank canvas; adjust block sizes, borders, and sashing to let your creativity flow like an artist’s brushstrokes across the comfy quilt landscape.
  • From cozy lap snugglers to wall-worthy eye-candy, mastering specialized quilt dimensions transforms every project into a cherished heirloom – the ultimate reward for your stitching adventures!

Standard Quilt Sizes

Standard Quilt Sizes
Understanding standard quilt sizes is essential for achieving the perfect fit and look. Common sizes include lap quilts, baby quilts, and wall hangings.

For instance, a baby quilt generally measures 36" x 52", while a typical lap quilt is around 50" x 65" (Source).

Wall hangings can vary, but they often adhere to common quilt size standards.

Accurately planning your fabric yardage based on these standard quilt size options guarantees you’ve got enough material for block size adjustments and desired project outcomes (Source).

Mattress Dimensions

Mattress Dimensions
Understanding mattress dimensions is essential when planning your quilt projects, ensuring a perfect fit for the beds in your home. Whether it’s Twin, Full/Double, Queen, King, or California King, knowing the measurements helps you create quilts that offer both comfort and aesthetic appeal.


For a twin mattress (39" x 75"), consider a twin quilt around 68" x 86" – allowing ample drop for coverlet or bedspread style. A twin quilt fits perfectly when sized according to standard twin mattress dimensions and desired overhang.


For a full/double mattress, your quilt dimensions need:

  1. Width: 81"-88"
  2. Length: 96"-100"
  3. Overhang: 6"-8" all around

Find patterns labeled "full/double" for seamless coverage. With proper sizing, your cozy quilt envelops the bed beautifully.


For a queen size mattress measuring 60" x 80", you’ll want a quilt around 90" x 108" – adding fabric for overhang and tucking under pillows. Consider desired drop length when calculating yardage for backing, batting, and quilt top.


Warm & Natural Cotton BattingView On Amazon
For a king-sized mattress, measuring 76" x 80", you’ll want a quilt around:

  1. 92" x 96" for a 16" drop
  2. 108" x 106" for backing fabric
  3. Allowing for desired overhang and quilting needs


California King

For a California king bed measuring 72" x 84", your custom quilt size should be around 108" x 98". Consider longarm quilting needs, bed skirts, or pillow shams. Calculate fabric yardage based on your desired quilt size design and accessories.

Quilt Overhang and Drop

Quilt Overhang and Drop
When determining the size of your quilt, consider the desired overhang and drop length. A coverlet-style quilt provides a minimal overhang, while a bedspread-style quilt has a more generous drop to nearly reach the floor.

Coverlet Style

For a coverlet style, choose a quilt size 6"-10" wider and longer than your mattress. This extra fabric allows the quilt to hang over the sides ("drop"), covering the top of your box spring. Use pre-cut batting slightly larger than the quilt top, leaving room for quilting. Add binding or decorative edging for a polished look.

Bedspread Style

If you want a truly luxurious bed, opt for a bedspread-style quilt. These quilts hang nearly to the floor, with at least 12" of overhang. They’re typically bound with wide binding and have extra layers for weight. Bedspreads create a cozy, enveloping feel – perfect for chilly nights!

Desired Drop Length

Moving on to drop length, you’ll want to think about the bed size and desired quilt appearance. Will it drape:

  • Just over the mattress?
  • Covering the box spring too?
  • Hanging close to the floor?

    The drop amount impacts fabric selection, so factor that into your custom design. Visualize how you want the finished quilt to look on your bed.

Calculating Backing Fabric

Calculating Backing Fabric
You’ll need to calculate the amount of backing fabric required for your quilt project. This involves considering the batting requirements, any additional yardage needed for longarm quilting, and accurate yardage estimates for the quilt top’s finished size.

Batting Requirements

You’ll need enough batting to extend a few inches beyond the quilt top.

Many quilters opt for precut batting in standard sizes to minimize waste.

Pay close attention to the batting’s dimensions – you may need to buy one size larger and trim it to match your quilt’s backing requirements precisely.

Calculate the backing yardage needed based on the desired finished size plus seam allowances.

Longarm Quilting Needs

If you plan to have your quilt longarm quilted, consider the machine’s specifications. Discuss batting weight, tension settings, and thread preferences with your longarmer. They’ll also advise on required backing size based on the quilting designs you choose. Being prepared guarantees your quilt’s backing accommodates their longarm machine’s needs.

Fabric Yardage Estimates

When determining fabric yardage estimates for quilt backings, consider:

  • The desired quilt overhang or drop length
  • Batting size and any additional backing needed
  • Quilt pattern dimensions and block sizes

With these key measurements, you can accurately estimate the yardage required for a seamless backing piece. Cross-reference fabric calculators for maximum precision.

Customizing Quilt Patterns

Customizing Quilt Patterns
Customizing quilt patterns allows you to adjust the size to perfectly fit your needs. You can achieve this by modifying block sizes, adding borders, or altering sashing dimensions – giving you control over the final quilt dimensions.

Adjusting Block Size

Adjusting block size allows you to customize your quilt’s dimensions. Play with fabric placement and audition colors to achieve your desired look.

Modify This For Desired Result
Block Size Alter Quilt’s Scale
Sashing Width Spacing Flexibility
Color Balance Vibrant or Subdued

Resize blocks thoughtfully, balancing sashing and border construction for a cohesive, [customizable] quilt.

Adding Borders

If your quilt needs a size increase, adding borders is an easy solution. In addition to enhancing the dimensions, borders also:

  1. Allow creative expression with fabric choices
  2. Provide a stylish frame for your design
  3. Let you incorporate personal touches
  4. Open opportunities for artistic flair

Modifying Sashing

You can customize your quilt’s sashing for a unique look. Adjust the sashing width, design intricate patterns, or play with colors. Consider the sashing placement between blocks to enhance visual appeal. Your sashing fabric choice impacts the overall aesthetic.

Sashing Width Pattern Placement Color Fabric
1" – 6" Geometric Horizontal Contrasting Cotton
1" – 4" Curved Vertical Monochrome Batik
2" – 5" Piecework Diagonal Multicolor Flannel
1⁄4" – 2" Embroidered Mitered Tonal Silk

Specialty Quilt Styles

Specialty Quilt Styles
When creating quilts for specialized purposes, you’ll want to contemplate the intended size and function. Lap quilts, baby quilts, and wall hangings each have their own typical dimensions to keep in mind, ranging from cozy lap blankets to decorative wall art.

Lap Quilts

Lap quilts offer a cozy touch for snuggling up. Consider these key points:

  • Typical size range: 45"-60" wide, 60"-72" long
  • Use soft, cuddly fabrics like flannel or minky
  • Simple patterns suit these compact projects well
  • Great for charity donations or quick gifts
  • Let colors and prints express your style

With their portable size, lap quilts make delightful companions for curling up with a good book or binge-watching your favorite shows.

Baby Quilts

Regarding baby quilts, opt for adorable designs, vibrant colors, and soft fabrics that enchant little ones. Consider themes like animals, ABCs, or nursery rhymes, and incorporate playful embellishments such as rickrack or pom-poms. Pastels remain timeless, but don’t hesitate to embrace bolder hues. Ultimately, create a cherished heirloom that will be treasured for generations to come.

Wall Hangings

Wall hangings offer creative expression beyond bedding. Consider these 3 tips:

  1. Size: 18"-36" wide, adjustable length.
  2. Hanging: Use quilt hangers, sleeves, or tabs.
  3. Design: Showcase intricate blocks, pictorials, or landscapes.

Unleash your artistry with vibrant colors, unique shapes, and textures. Wall hangings transform blank spaces into eye-catching displays. Explore various styles – modern, traditional, or abstract – celebrating your talent.

Frequently Asked Questions (FAQs)

What are standard quilt sizes?

Standard quilt sizes include twin (68"x86"), full/double (81"x96"), queen (90"x108"), and king (108"x108"). Choose based on your mattress size and desired overhang.

What size is a queen bed quilt?

You might think one size fits all, but for a queen bed quilt, aim for around 90" x 108". This allows ample coverage with a cozy drape over the sides.

What’s the size of a king size quilt?

A standard king-size quilt measures 108" x 108". To guarantee proper coverage with a generous overhang, you’ll want yours about 120" x 120" for that luxurious, cozy look.

What size quilt for twin XL?

For a twin XL mattress, you’ll want a 68" x 92" quilt. This provides ample coverage with a cozy 8" drop on all sides.

How do I wash a finished quilt?

Washing a finished quilt? Brace yourself for an odyssey! Carefully read the fabric’s care instructions first. Then, use a gentle cycle with mild detergent and cold water for a deep yet loving clean, preserving its beauty for eons.

What batting type is best for quilting?

The best batting depends on your needs – cotton for drape, polyester for loft and warmth. Blend battings offer balanced qualities. Consider the quilt’s usage, whether you want it cozy or crisp. Test different battings to find your ideal combination.

Can I machine quilt a king-size quilt?

Yes, you can machine quilt a king-size quilt. Just make certain your machine has enough space to accommodate the quilt and batting. Consider quilting in sections or investing in a long-arm quilting machine for larger quilts.

Whats the best way to bind a quilt?

Machine binding works best for straight edges. For curves, hand-stitching the binding provides a polished finish. Mitering corners adds elegance but requires precision. Master both techniques for professionally-bound quilts that delight.

How do I calculate fabric for quilt borders?

To calculate fabric for quilt borders, measure the quilt’s length and width. Add twice the desired border width to each measurement. This gives you the final border dimensions to determine yardage needed.


Just as a talented artist skillfully wields brushes to create a masterpiece, mastering quilt size allows you to paint your own cozy canvas.

With standard sizes, mattress dimensions, and custom tips at your fingertips, you’ll stitch perfectly fitted quilts that drape elegantly over any bed.

Embrace these foundational techniques and let your creativity flourish, stitching cherished heirlooms that warm hearts and homes.

Avatar for Mutasim Sweileh

Mutasim Sweileh

Mutasim is the founder and editor-in-chief of, a site dedicated to those passionate about crafting. With years of experience and research under his belt, he sought to create a platform where he could share his knowledge and skills with others who shared his interests.