Quilt Backing Calculator
Quilt Width (inches)
Quilt Length (inches)
Fabric Width (inches)
Seam Allowance (inches)
Shrinkage (%)
Extra Yardage (yards)
Calculate
Required Backing Yardage
Formula:
Adjusted dimensions include shrinkage and seam allowances. Number of widths = ceil(adjusted width / fabric width). Yardage per width = adjusted length / 36. Total yards = number of widths * yards per width + extra yardage.