Definition: Seam allowance refers to the area between the stitching and raw, cut edge of the fabric.
The most common seam allowances are 1/4", 1/2" and 5/8". Always check your pattern directions and use the seam allowance called for in the directions.
A seam joins more than one pieces of fabric. All layers of fabric joined by a seam must have the same seam allowance. Make sure that the raw edges line up evenly to create an equal seam allowances on all of the pieces being joined.
The most common seam allowances are 1/4", 1/2" and 5/8". Always check your pattern directions and use the seam allowance called for in the directions.
A seam joins more than one pieces of fabric. All layers of fabric joined by a seam must have the same seam allowance. Make sure that the raw edges line up evenly to create an equal seam allowances on all of the pieces being joined.
Examples: Sewing accurate seam allowances is an important key to having your pattern pieces fit together.


