DIY Turning Onesies into T-Shirts

DIY Turning Onesies into T-Shirts is a cool easy project that only takes a few minutes and doesn’t require sewing. Here’s how you can turn a onesie into a wearable T-shirt.

Turning onesies into T-Shirts is one of the easiest baby clothes refashions we could possibly make and quickly solve the problem of onesies not fitting or never used because of situations like potty training.

DIY Turning Onesies into T-Shirts Cover Image showing the steps

Probably most of you mommies have had this situation or might have in the future. I’ve got a whole pack of Onesies that my little girl might never use.

When she turned 2 YO, she started potty training and a couple of weeks later she was already doing it by herself so wearing onesies would make going to the bathroom a bit complicated.

DIY Turning Onesies into T-Shirts

Thankfully my girl learned how to go to the bathroom {using the actual toilet} pretty quick, and she started going without notice less than a month after potty training.

So, Onesies were definitely a pain for her {even though I LOVED seeing her wearing them}. Almost a year later {duuh} I figured out what to do with them after seeing this awesome idea from Therapeutic Crafting.

My girl is really skinny so most of 24 months clothing still fits on her. The pants got short but still fit on her waist. LOL.

So, clothes are something that lasts long around here I just refashion them a bit so she can keep using them like when I revamped my Kid’s Pants to Extend Their Life.

How to Turn Onesies into T-Shirts

Supplies:

  • Onesies
  • Ruler
  • Fabric markers

Tools

  • Scissors
  • Sewing machine optional

Instructions

Step 1: Gather all your onesies that still fit your child.

diferent onesies

Step 2: Iron the onesie or straighten it as much as you can on a straight clean surface.

white and pink lines onesies

Step 3: With a ruler, trace a straight line between both ends of the onesie right at the edge of the side hems.

a ruler and pen on onesies

Step 4: Cut through the line carefully.

bottom of onesies cut off

Step 5: Optionally you can hem it if you have a serger or just zig-zag the edges. I didn’t.

Tadaaaaaa It’s ready to use and doesn’t it look super cute!

Girl back wearing Onesies turned into T-Shirts

Love to be able to keep using those cute onesies!

Girl front wearing Onesies turned into T-Shirts
Girl side wearing Onesies turned into T-Shirts
A Girl waring the DIY Turning Onesies into T-Shirts

Crafting Tips

I read that cotton doesn’t fray so you can either leave it like that {like I did} or take it to a serger to make a more delicate finish.

I’ve also read that you can zig-zag the ends and make it ruffle or just hand-sewing a few stitches. So cute. I’m planning on taking a couple more to a serger and the other one to do the zig-zag and see how it goes!

You can also use iron-on fusible tape to make a hem too. Apply your iron to the hem and hold firmly for about 10 to 15 seconds; making sure not to slide the iron. Make sure that the fusible tape has completely fused.

Frequently Asked questions

Can you cut a onesie into a shirt?

Oh Yes, you can! It’s super easy. Take your onesie and find the LOWEST point above where the shirt starts to curve down into the snap area. Cut across here. If you don’t want to sew or use hem tape, you can just stop here.

How can you reuse a onesie?

You can take those old baby onesies and make the most adorable and functional snack bags, pillow covers, fabric toys, and even turn them into t-shirts.

More Easy craft Projects to Try

If you enjoyed this cute onesie hack, you might also love these other easy crafts for kids ideas too:

✂️ Tutorial

DIY Turning Onesies into T-Shirts Cover Image showing the steps

DIY Turning Onesies into T-Shirts

Camila Rojas
DIY Turning Onesies into T-Shirts is a cool easy project that only takes a few minutes and doesn’t require sewing. Here’s how you can turn a onesie into a wearable T-shirt.
5 from 1 vote
Prep Time 5 mins
Cook Time 10 mins
Total Time 15 mins
Course DIY & Craft
Cuisine Easy Crafts, For Kids
Servings 1

Equipment

  • scissors
  • Sewing Machine *Optional

Ingredients
  

  • Onesies
  • Ruler
  • Fabric markers

Instructions
 

  • Step 1: Gather all your onesies that still fit your child.
  • Step 2: Iron the onesie or straighten it as much as you can on a straight clean surface.
  • Step 3: With a ruler, trace a straight line between both ends of the onesie right at the edge of the side hems.
  • Step 4: Cut through the line carefully.
  • Step 5: Optionally you can hem it if you have a serger or just zig-zag the edges. I didn’t.
  • Tadaaaaaa It’s ready to use and doesn’t it look super cute!!!.
Keyword diy onesies into tshirts, turning onesies into t-shirts, upcycling onesies

What do you think??? Have you had this situation; have you been turning onesies into T-Shirts??? If you know any other technique to do it leave it on the comments so we all can learn from you!!!

Some other cute Onesie projects I love from my favorite bloggers:

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DIY Turning Onesies into T-Shirts image for pinterest

Til' next time...

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19 Comments

  1. 5 stars
    I’m having the potty training thing happen. I bought my daughter some cute onsies for her 2nd birthday (about 2 months away) but she’s ready to potty train. I was having a hard time thinking that now I’ll have to sell these, consign them, or gift them to someone else (I’m past the return date). I guess I don’t have to now!!

    1. I did this to all my girl’s onesies after she potty trained and she used hem for a long time. I remember I used to love those onesies, they were so so cute!!!!
      Glad your girl now get to use hers too!
      Hugs

    1. LOL totally agree, I could have saved many others before! But is never too late to save some of these right?
      XOXO thanks for stopping by!

  2. this is such a great idea! My daughter doesn’t like onsies anymore, but she can still fit into them and we have a bunch that were gifts that still have tags!!

    1. Same happened to us… Brand new super cute onesies that she wouldn’t use anymore. Now she can wear them all the time!!! Thanks so much for stopping by! I;m glad this could help you!
      XOXO

  3. I have so many onsies and with potty training they are such a pain. This is a great idea! Thanks for sharing on Found & Foraged. Pinned! We look forward to seeing you again next Saturday.

    1. Yeah Agree my girl stopped using them when she started potty training and some of them didn’t have one use! So this is a great way not to loose them!
      Thanks so much for your visit!
      XOXO

  4. love it so cute many times we buy onesies that are special to us so happy that you have found a way to keep using them even when they don’t fit exactly right