How to Sew Dog Pants

Updated April 17, 2017

Sewing clothing for dogs is not only fun it is also functional. Small dogs especially appreciate clothing to help them keep warm during cold months and protect them from the elements throughout the year. Choosing colours that compliment your dog's fur will help your best friend stand out on those long walks in the park. Basic sewing skills are all that is needed for this dog trousers project. The results are sure to please both you and your pet.

Use a measuring tape to determine values for cutting the leg pieces out of the fabric. Measure your dog's waist using the widest area of the midsection (M1). Measure from the midsection of your pet's back to the base of the tail. Continue measuring down to the base of your dog's paw (M2). Measure the length of your dog's legs, from the hipbone to paw (M3). Use this measurement to determine the height of the inseam.

Make a custom pattern to fit your dog's size. Lay an old pair of dog trousers or toddler trousers near your pattern paper for reference. Fold the trousers in half, pulling the crotch all the way out to the side. This is the shape you will draw onto your pattern paper. Adjust the shape to accommodate your pet's measurements.

Use the M1 measurement for the width of the pattern piece at the waist. Draw a vertical line across the pattern paper making a mark (W) to measure from left to right. Add 1 inch to the width to accommodate a seam allowance and elastic gathers, drawing in the additional line markings.

Use the M2 measurement for the length of the pattern. Add 2 inches to the length to accommodate the waist fold, seam allowances and pant leg hems. Draw the pattern side seam (S) from the right of mark W down, adding mark (H) for the hem. Draw a line at mark H vertically for the hem.

Use the M3 measurement to determine where to start the crotch point. Measure from the left pant hem (H), drawing the crotch shape up toward the waist (W).

Cut the pattern pieces out following your drawn pattern lines.

Use the custom pattern to cut two fabric pieces. Fold one piece of fabric in half, aligning the pattern side seam (S) onto the fold. Cut fabric at waist, crotch and hem. Use the pattern to cut the second piece out of your fabric.

Place both pieces, right sides together, and sew the side seams and the crotch seam. Press and sew a 1/2-inch waist opening. Cut the elastic to measurement M1, insert into the waist opening and secure the ends. Fold and sew a 1/4-inch hem at the bottom of each pant leg. Press side seams open and turn the trousers inside out to finish.


For an environmentally-friendly sewing option cut up old adult or children's clothes material.

Things You'll Need

  • Old pair of dog trousers or child trousers
  • Pattern paper
  • Fabric
  • Scissors
  • Sewing machine
  • Elastic
  • Fabric or cloth measuring tape
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About the Author

Roxanne Weber has been writing since 1991. She currently works as a Web consultant and freelance writer, covering topics related to business, the Internet, computers and art. Weber holds a Master of Public Administration from Southern Illinois University and a Bachelor of Science from Northern State University.