Seam Allowance Calculator

Calculate total pattern dimensions including seam allowances for all edges.

Horizontal measurement perpendicular to length.
inches
Linear measurement in the specified unit.
inches
Enter the seam allowance value for this calculation.
inches
Enter the hem allowance value for this calculation.
inches

Results

Total Width:
Sum of all calculated values.
-inches
Total Length:
Sum of all calculated values.
-inches
Added Fabric Area:
Calculated surface area.
-sq inches
Reference: Industry Standards.