Fabric Yardage for Quilts

Calculate how many yards of fabric you need based on piece count, piece dimensions, fabric width, and seam allowance.

Pieces Needed

Finished Piece Width

Finished Piece Height

Fabric Width

Seam Allowance

Tab to move between fields

Fabric Yards Needed

0.56 yd

≈ 6 credit cards

With 10% Buffer0.62 yd

Pieces per Row8

Rows of Pieces4

Cut Width (with seam)5 in

Cut Height (with seam)5 in

Estimated Waste6%

How to Use This Calculator

Enter Pieces Needed, Finished Piece Width, and Finished Piece Height.
Set Fabric Width and Seam Allowance.
Review the Fabric Yards Needed (yd) result.
Use With 10% Buffer (yd) and Pieces per Row to inform your decision.
Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Pieces Needed

Pieces Needed: Total number of fabric pieces to cut.
Finished Piece Width: Finished width of each piece in inches (before seam allowance).
Finished Piece Height: Finished height of each piece in inches (before seam allowance).
Fabric Width: Usable width of your fabric bolt in inches. Standard quilting cotton is ~42 inches.
Seam Allowance: Seam allowance added to each side of each piece. Standard is 1/4 inch.

Identify Input Parameters
4 parameters
Pieces Needed = 30, Finished Piece Width = 4.5, Finished Piece Height = 4.5, Fabric Width = 42 = 5 input(s) provided
Calculate Fabric Yards Needed
Fabric Yards Needed
0.56 = 0.56
Calculate With 10% Buffer
With 10% Buffer
0.62 = 0.62
Calculate Pieces per Row
8 = 8