What you need to sew a pencil skirt
A pencil skirt is a fitted, knee-length skirt with a straight silhouette and a slit or vent at the back for walking room. You can make one with basic sewing skills and standard equipment: a sewing machine, thread, scissors, pins, a measuring tape, and an iron. The fabric itself matters most — a stable cotton blend, linen, or lightweight wool holds the shape better than stretchy knits or very fluid materials.
You will also need a pattern. Pencil skirt patterns are widely available from companies like Simplicity, McCall's, and Butterick, sold at fabric stores or downloadable online. Choose a pattern marked for beginners if this is your first fitted garment. The pattern will tell you how much fabric to buy — typically 1.5 to 2 yards depending on your size and whether the pattern has a back slit.
A zipper (usually 7 to 9 inches) and elastic or a waistband facing are standard closures. Most patterns include both options. If you are new to zippers, choose a pattern with an elastic waist instead — it is faster and forgiving of small fitting mistakes.
Key Takeaways
- A pencil skirt pattern from Simplicity, McCall's, or Butterick gives you the exact pieces and steps; choose one marked for beginners if you have not sewn a fitted garment before.
- Stable fabrics like cotton blends, linen, or lightweight wool hold the pencil shape; stretchy knits and fluid fabrics will not give you the silhouette you want.
- Measure yourself at the hip, waist, and length before cutting, then compare those numbers to the pattern's size chart — do not assume your usual clothing size.
- The back slit or vent is what makes a pencil skirt wearable; without it, you cannot walk comfortably, so do not skip this step.
- An elastic waist is the easiest closure for a first pencil skirt; a zipper is more polished but requires practice with insertion.
Taking your measurements and choosing a size
Measure yourself at three points: your natural waist (the narrowest part), your hip (the fullest part, usually 8 to 9 inches below your waist), and from your waist down to where you want the skirt to end — usually just below the knee. Write these numbers down. Do not estimate or use your usual clothing size from a store.
Open the pattern envelope and find the size chart inside. Compare your three measurements to the chart. If your hip measurement falls between two sizes, choose the larger one — you can always take in the side seams, but you cannot add fabric back. If your waist and hip measurements fall into different sizes, choose based on your hip, since the waist can be adjusted with darts or by taking in the back seam.
Lay the pattern pieces on your fabric following the layout diagram in the instructions. Most pencil skirt patterns have a front piece, a back piece, and a facing or waistband. Pin the pattern to the fabric and cut carefully along the lines. Mark the notches (small cuts or dots) on each piece — these are alignment guides when you sew.
Sewing the darts and side seams
Most pencil skirts have darts at the front and back waist. A dart is a triangular fold sewn into the fabric to shape it to your body. The pattern will show you where to draw the dart lines. Fold the fabric with the right sides together along the center line of the dart, pin it, and sew from the wide end toward the point. Backstitch at the beginning and end. Trim the excess fabric inside the dart to reduce bulk, then press it flat with your iron.
After the darts are complete, sew the front and back pieces together at the side seams. Pin the pieces with right sides facing, matching the notches. Sew a straight seam about half an inch from the edge, backstitch at both ends, and press the seam open. Try the skirt on inside-out at this point. It should fit snugly at the hip and waist without pulling. If it is too tight, let out the side seams slightly. If it is too loose, take them in a little.
Creating the back slit or vent
The back slit is essential — without it, you cannot walk in a pencil skirt. Most patterns include a slit that runs 6 to 8 inches up from the hem. The pattern will show you where to cut. Once you have cut the slit, you need to finish the raw edges so they do not fray. Fold each edge of the slit inward about a quarter inch, press with your iron, then fold again and press. Sew the fold down with a straight stitch close to the edge — this is called a rolled hem or narrow hem.
Some patterns call for a vent instead, which is a slit with a facing sewn underneath for a more finished look. If your pattern includes facing pieces for the vent, pin them to the slit edges with right sides together, sew them on, then fold the facing to the inside and press. Either method works; follow what your pattern shows.
Attaching the waistband or elastic
If you are using an elastic waist, cut a piece of elastic to fit snugly around your waist — usually 1 to 2 inches smaller than your actual waist measurement. Fold the top of the skirt down by the width of your elastic plus half an inch, press it, then pin the elastic inside the fold. Sew the elastic down using a zigzag stitch, stretching it gently as you sew so it lies flat. Sew again a quarter inch below the first line to lock the elastic in place.
If you are attaching a waistband facing, pin the facing to the top of the skirt with right sides together, sew it on, then fold the facing to the inside and press. Topstitch (sew from the outside) along the waistband seam to hold the facing in place and give it a polished look. This method takes longer but looks more professional.
Installing a zipper (if your pattern includes one)
A centered zipper is the most common closure for a pencil skirt. Leave the back seam open for about 7 to 9 inches — the pattern will tell you exactly where. Press the seam allowances open on both sides of the opening. Place the zipper face-down on one seam allowance, pin it, and sew it down using a zipper foot (a special presser foot that lets you sew close to the zipper teeth). Flip the zipper to the other side and repeat. Finally, sew across the bottom of the zipper to close the opening below it.
If you have not installed a zipper before, practice on scrap fabric first. Zippers are one of the trickier steps, and a few practice runs will make the real one much cleaner. Many beginners choose an elastic waist for their first pencil skirt to avoid this step entirely — there is no shame in that choice.
Hemming the skirt
Try the skirt on and mark where you want the hem to fall — usually just below the knee. Take it off and measure up from that mark to the raw edge. Most hems are 1.5 to 2 inches deep. Fold the raw edge up by that amount, press it with your iron, then fold it up again and press. Sew the hem down with a straight stitch close to the inner fold, or use a blind stitch if you want the stitches to be invisible from the outside.
Press the finished skirt with your iron on a medium setting. Hang it on a hanger for a day or two before wearing — the fabric will relax slightly and settle into its final shape.
Frequently Asked Questions
What fabric weight works best for a pencil skirt?
Medium-weight stable fabrics like cotton-linen blends, cotton twill, and lightweight wool hold the pencil shape. Avoid very stretchy knits and fluid fabrics like rayon or silk charmeuse — they will not give you the straight silhouette. Cotton-polyester blends are affordable and straightforward to sew.
Can I make a pencil skirt without a pattern?
It is possible but not recommended for a beginner. A pattern gives you the exact dart placement and seam allowances that create the fit. If you want to draft your own, you need to know how to take body measurements, calculate ease (extra room for movement), and adjust for your proportions — skills that take practice.
What if the skirt is too tight at the hips after I sew it?
If you have not sewn the side seams yet, you can choose a larger size and recut. If the seams are already sewn, you can let them out by unpicking the stitches and resewing them further out, but you are limited by how much seam allowance is left. This is why measuring before cutting matters.
Do I have to add a slit or vent?
Yes, unless you want a skirt you cannot walk in. The slit or vent is not optional — it is what makes a pencil skirt functional. Most patterns include one, and your pattern instructions will show you exactly how to finish it.
How long does it take to sew a pencil skirt?
A beginner with an elastic waist can finish one in 4 to 6 hours spread over a few days. A zipper adds 1 to 2 hours if you are new to installation. Much of the time is pressing and letting fabric rest between steps, not active sewing.