DIY Turning Onesies into T-Shirts

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

Probably most of you mommies have had this situation or might have in the future. I’ve got a whole pack of Onesies that Emma never used. When she turned 2 yo she started the 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

DIY Turning Onesies into T-Shirts #Tutorial #onesiestoshirts #onesies

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 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. Pants got short but still fit in her waist. LOL. So clothes are something that last 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.

So, Let’s see how easy it is Turning Onesies into T-Shirts, shall we?

What you need:

  • Scissors
  • Ruler
  • Fabric markers
  • Onesies
  • {sewing machine optional}

Straighten the onesie as much as you can {ironing is a good idea, I didn’t do it LOL}.


With a ruler, draw a straight line between both ends of the onesie right at the edge of the side hems.


Cut through the line


And tadaaaaaa It’s ready to use and doesn’t it look super cute!!!. Love to be able to keep using those cute onesies!


I read that cotton don’t fray so you can either leave it like that {like I did} of 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. So cute. I’m planning on take a couple more to a serger and the other one do the zig-zag and see how it goes!

 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!!!

Til' next time...

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  1. 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!

    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!

  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!

  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