Slip Dress

Slip into something simple with this easy DIY slip dress! The most important part of this dress is taking accurate body measurements. Try standing in front of a mirror so you can assure the measuring tape is sitting flat straight around you. Don’t pull the tape tight either or else your garment will be too tight.


  • 1.5m of fabric
  • Thread
  • Sewing Machine
  • Marking Pen or Chalk
  • Scissors

How to Measure

A. Measure your circumference at your widest point (bust, waist or hip). This will be labelled ‘A’. Our A is 37″.

B. Measure from where you want the top of the dress to sit down to the point you want your hem to hit. This is labelled ‘B’. Our B is 42″.

C. Measure across your chest the width you want the top to be, this will be the distance between your straps. This is labelled ‘C’. Our C is 10 1/2″.

D. Measure down from the top of your dress to where you want your armhole to sit. This is labelled ‘D’. Our D was 5″

*TIP* Wear a camisole that has a similar neckline and armhole you want so you have a guideline for measurements.

Back Dress

Place your fabric flat NOT on the fold
  1. For the width we begin by taking our A measurement, halving it and adding 3”. This is our seam allowance ease so the dress is not to tight. You can add as much ease as you want, just be sure that it will not be too wide on your body. Our widest point is our hips, this could also be your waist or bust, which is 37” so the width of our dress is
    • 37″ / 2 = 18.5″ + 3″ = 21 ½”
  2. For B the length we are measuring from our chest to mid-calf, for us that is 42” + 1” seam allowance = 43” length. This will give us a dress that falls at mid-calf, to make a longer or shorter length dress just adjust your B measurement and add 1” seam allowance.
  3. To mark the angle of our armhole, we go to the top of our fabric and find the middle, now measure out half the length of C on either side of the middle. Our C is 10 ½” so we measure out 5 ¼” on either side of the middle. Then go to either side of the top and measure down D from the corners. Our D is 5”. Now join the end of your C measurement to your D point to create the angle of your armhole, repeat on the other side.

Front Dress

  1. The front side is made up of three panels to allow for two slits. The length will be the same as our back length, which is B + 1″
  2. The width of our middle panel is C + 1″ Seam allowance.
  3. The two side panels are A takeaway C, divided by 2 then + 1” Seam allowance. For us that is (21 ½” – 10 ½”) / 2 + 1″ = 6 ½”
  4. Once you have cut out all your panels measure up from your hem the length you want your slits to be, we measured up to mid-thigh and made our splits 15″ make a mark on each slit.


For the straps cut two pieces 40” long by 1 ½” wide.  Sew right sides together and turn out with a strap turner or a safety pin.

Sewing Together

  1. Place your front panels right sides together and stitch with a ½” seam allowance, do not sew your slits shut.

2. Sew your back panel right sides together with your front panels from underarm points to hem. Now hem around your dress including the top and splits, we did a rolled hem.

3. Take you straps and attach to the back of your dress, measure out the length you want your strap to be, we did 12″, and pin to the front of your dress. It is helpful to put the dress on and pull the straps over your shoulders to the front, then look in a mirror and position the straps to the length you want. Secure in place and you are done.

You may find if you made your dress with your hip measurement that it is too wide on your bust, if this is the case put your dress on inside out and pin at the sides to fit your bust better. Sew straight down your pin line and trim any excess.

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