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How to Make a Crib Sheet for Your Baby [the EASIEST Way]

Are you ready for your baby’s arrival? One essential item for your baby is a crib sheet, or rather a few crib sheets. Not only does a fitted crib sheet provide a comfortable surface for your baby to sleep, but is also safer than having loose sheets. If you’re a new parent looking for a way to save money, or a seasoned seamstress who loves to craft, you can easily make a DIY crib sheet in all the latest prints. Follow our step-by-step guide on how to make a crib sheet for your baby.

how to sew a baby crib sheet

Sewing for baby is so rewarding. You can pick from the most beautiful fabrics to make gorgeous crib sheets that will take around half an hour of your time and save you are fortune in buying designer baby crib sheets. Why do items for babies cost so much? Anyway, that is not an issue as we show you exactly how to make a baby DIY crib sheet with our visuals and step-by-step tutorials. Pick exactly the fabric you want from online suppliers or fabric shops, and get making. New moms, who have so little time once baby arrives will welcome crib sheets as a practical yet stylish gift.

how to make a baby crib sheet

Selecting your fabric

When selecting fabrics it is best to go for cotton or flannel fabrics that are soft and breathable. You can choose a plain color or a fun pattern to match your nursery décor. Make sure the fabric is labelled as prewashed and pre-shrunk to prevent it from shrinking after you sew it. If it is not noted on the fabric label, then wash and dry it yourself first before your start cutting and sewing. Some of the fancier fabrics only come in a narrower width, so if your fabric comes in a 44″ inch (114.8 cm) width, you can make it work by not cutting off the selvage edges as for the US standard crib you need a width of 45 inches.

Below you will find my step by step written tutorial with VIDEO instructions for all the visual learners.

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How to make a baby crib sheet

diy fitted baby crib sheet

Fitted Crib Sheet Supplies and tools

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How to Sew a Fitted Baby Crib Sheet

Watch the diy baby crib sheet video first and then follow the written step by step instructions below.
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measuring the matress to make a diy fitted baby cot or crib sheet

You want to make sure your sheet fits snugly and securely on your crib mattress. Start by measuring the dimensions of your crib mattress – length, width, and height. You can find these measurements in the product manual or by measuring yourself. Remember that the height of the mattress will determine how deep the corners of your crib sheet should be. This tutorial is based off the standard U.S. size for a crib mattress which is 27-28″ (68.5 – 71 cm) wide, by 51-52″ (129.5 – 132 cm)long, and 3-6″ (7.6 – 15 cm) deep.

  • FABRIC WIDTH = width + double the height + 5″ (13cm)
  • FABRIC LENGTH = length + double the height + 5″ (13cm)


measurements of fabric needed to make a fitted baby crib sheet

Using the measurements of your crib mattress, cut your fabric into a rectangular shape.

TIP: It is best to wash and dry your fabric BEFORE you sew to get rid of the excess chemicals and to avoid shrinkage after you sew the crib sheet.

You can either use a rotary cutter or fabric scissors. In our case for the standard US crib size we began with a fabric rectangle of 68″(172 cm) x 45″(114 cm).

You can use a 44″ wide fabric if your fabric is not wide enough, but do not cut the selvage


cut out the corners of the diy baby crib or cot sheet

Measure a piece of paper or cardstock that is 8 inches (20 cm) square and cut it out.


all 4 corners of the baby crib matress are cut

Pin the paper or clip the cardstock to the fabric, lining up two of the edges of the 8-inch(20.3 cm) square with the corner of the fabric, mark, and then cut out the corner. Repeat with the other three corners.


hemmed edges of the homemade baby crib sheet

If you have a serger, serge the edges. If not, use a zig-zag stitch on your machine to go around all the edges of the fabric for the DIY crib sheet to prevent them from fraying.


sew the corners of the baby crib sheet

On one corner, pinch the edges of the square you cut out with the right sides facing each other and stitch down on the wrong side of the fabric using a 5/8” (1.6 cm) seam, backstitching at the start and finish. Repeat with the other three corners.


turning up the seam to create elastic casing for the fitted baby cot sheet

Create the casing for the elastic to make the crib sheet a fitted one. Starting in the middle of one of the long edges of the fabric turn up a seam of  5/8 an inch (1.6 cm) all the way around. An easy way to make sure the seam is even is to mark 5/8 of an inch (1.6 cm)  from the edge of a piece of cardstock and use this as your guide – folding up to the edge of the fabric to the line you marked and pressing with an iron as you go to ensure the edge is even. This makes pinning unnecessary. However, you still need to mark a one-inch gap in the side where your elastic will be inserted with a pin on either side of the gap so you don’t accidentally sew it closed!


sewing the casing of the elastic for the baby crib or cot sheet

Carefully sew around the edge of the crib sheet ½ an inch (1.3cm) from the fold – the small bit extra is to ensure you are not stitching over the zig-zag stitch or serged edges, which could result in the seam edge not holding firm. Back stitch when you start and finish.


using bodkin or safety pin to insert the elastic into the casing to make fitted cot or crib sheet for your baby

Insert two safety pins – one on each end of the elastic. Insert the safety pin into the gap and carefully work the attached elastic right around the sheet until you emerge at the entrance again. The second safety pin is to ensure you don’t have to start threading right through from the beginning should one end slip inside the casing.

elastic inserted in the baby crib sheet

STEP 10:

overlap the ends of the elastic to create a fitted cot sheet for baby

Stitch the ends of the elastic together with a one inch overlap. Use hand stitches, or using a machine set on a zig zag stitch, go back and forth 4 times across the overlap, so the elastic does not come loose with time.

STEP 11:

Ease the stitched elastic back into the casing and spread it evenly through the crib sheet casing.

STEP 12:

finished fitted baby crib or cot sheet

Stitch the gap closed with the machine set to a straight stitch, lining the stitches up with the rest of the seam.

STEP 13:

test the diy baby crib sheet for a snug fit and adjust if necessary

Before placing the sheet on the crib, test it for a snug fit. Also, wash and dry the sheet before using it to get rid of any excess dye or chemicals from the fabric. For baby’s delicate skin it is better to make sure there are no excess chemicals on the fabric before using it.

Congratulations! Now you know how to make a crib sheet for your baby. Not only is it easy and fun to make, but it’s also a great way to save money. With just a few supplies and steps, you can create a personalized sheet for your baby’s crib. Plus, you can always make a backup sheet or two in case of emergencies. We hope this guide was helpful and inspires you to continue sewing for your little one. If you enjoyed this article please hit the like button and subscribe to have more great sewing projects delivered to our inbox. You don’t want to miss any of our sewing project now do you?


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