How To Turn A One-Piece Into A Bikini—A Step by Step Guide

A one-piece swimsuit is a timeless classic that can be worn in many ways. But sometimes, you just want to show a little more skin. If you're feeling daring, try turning your one-piece into a bikini! With a few simple alterations, you can take your look from demure to beach babe in no time.

 

Sahara Bikini Set in Pearl White

Sahara Bikini Top in Pearl White

 

What you'll need?

  • A one-piece swimsuit
  • Scissors
  • Needle and thread (or a sewing machine)
  • Pins

Here's how to turn a one-piece swimsuit into bikini bottoms, step by step:

Step One: Cut away the bikini top's band

Using scissors, cut away the bikini bottom band of the one-piece bathing suit. Cut as close to the seam as is possible.

Step Two: Sew or knot the straps in place

If your one-piece has spaghetti straps, you can simply knot them in place. If the straps are thicker, you'll need to sew them together. First, lay the front and back of the one-piece flat. Pin the straps in place, ensuring they're even on both sides. Woven one strap together with the other using a needle and thread or a sewing machine.

Step Three: Cut away the side panels

Cut along the seam of the one-piece, removing the side panels. Cut as close to the seam as possible.

Step Four: Try it on!

Now that you've cut away the bottom and sides of the one-piece, it's time to try it on. Make any final adjustments that may be necessary, then hit the beach!

 

Method 2: Try a one-piece with a plunging neckline

Ria Beirut Reversible One Piece

Ria Beirut Reversible One Piece

 

Try a one-piece with a plunging neckline if you're not ready to go full-on bikini. These suits often have cutouts or low backs, giving them a sexy, beach-ready look.

What you'll need?

  • A one-piece swimsuit with a plunging neckline
  • Needle and thread (or a sewing machine)
  • Pins

Step One: Cut the Suit

Start by cutting the suit along the neckline, taking care not to cut too close to the seam. If you're using a sewing machine, cut along the seam allowance.

Step Two: Sew the Pieces Together

Next, sew the two extra fabric pieces together at the sides, using a needle and thread or a sewing machine. Start at the bottom and work your way up, making sure the stitches are even.

Step Three: Try it On

Now that you've seen the two pieces together try on your new bikini top! If it's too loose, you can always take it in more. And if it's too tight, you can always let it out.

Step Four: Adjust the Fit

Once you've got the right fit, adjust the straps to your liking. Depending on what looks best on you, you can make them longer or shorter. And that's it! You've now turned a one-piece into a bikini.

Method 3: Go for a high-cut one-piece

 

One-piece floral swimsuit

One-piece floral swimsuit

 

If you want to show off a little bit your legs, go for a high-cut one-piece. These suits have a higher cut on the leg, giving you a long and lean look.

What you'll need?

  • A high-cut one-piece swimsuit
  • Needle and thread (or a sewing machine)
  • Pins

Step One: Cut off the bottom of the one-piece

Cut off the bottom of the one-piece swimsuit using a sharp pair of scissors. The new hem should be about 3-4 inches above your natural waistline.

Step Two: Sew a new seam

Sew a new seam around the newly cut edge of the one-piece using a needle and thread (or a sewing machine). Use a strong zig zag stitch so that the new seam doesn't come undone.

Step Three: Try on the one-piece.

Try on the one-piece swimsuit to make sure it fits properly. If it's too loose, you can always take it further. You may need to start over with a larger size if it's too tight.

Step Four: Cut off the top of the one-piece (optional)

You'll also need to cut off the top if you want to make your one-piece into a bikini. Cut along the seam that goes around the bust, being sure to leave about an inch or two of fabric.

Step Five: Sew a new seam around the bust (optional)

Sew a new seam around the newly cut edge of the one-piece using a needle and thread (or a sewing machine). Use a strong stitch so that the new seam doesn't come undone.

Step Six: Try on the one-piece (optional)

Try on the one-piece swimsuit to make sure it fits properly. If it's too loose, you can always take it further. You may need to start over with a larger size if it's too tight.

And there you have it! A simple way to turn a one-piece swimsuit into a bikini. Just follow these steps, and you'll be ready to hit the beach.

Tips to Keep in Mind While Transforming a One-Piece into Bikini

  • If you don't want to go for the high-cut leg, you can always cut the one-piece shorter to show off more of your midriff. Just remember to hem the raw edge so that it doesn't unravel.
  • Measuring carefully can help make a better cut and reduce the chances of ruining your bikini.
  • If you're not comfortable cutting off the one-piece's top, you can always wear it as is or add a cute cover-up.
  • Don't be afraid to experiment; there are so many different cuts and styles. You may be surprised at how a one-piece can be when it's cut properly.
  • Have fun with it! After all, it's just a bathing suit.

Two pieces floral swimsuit

 

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With love, the Ishine team