Seam Allowance Calculator
Determine the correct seam allowance for your project based on seam type and fabric.
Seam Details
Recommended Seam Allowance
5/8"
Inches
1.59
Centimeters
Cutting Dimensions
Cut Width11.25" (28.6 cm)
Cut Length13.25" (33.7 cm)
Total Seam Length44.0"
Common Seam Allowances
Standard patterns5/8"
Quilting1/4"
Knits/Serging3/8"
Industrial3/8"
Hems1/2" - 2"
French seams5/8"
💡
Help us improve!
How would you rate the Seam Allowance Calculator?
Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.