Quilt Border Calculator: Strip Lengths, Corners, and Yardage

Free quilt border calculator guide: butted vs mitered strip math, diagonal-seam WOF piecing, and a worked 60x76 example with 2 in and 5 in borders.

Quilt Top Width (in)

Quilt Top Length (in)

Inner Border Width (in, 0 = none)

Outer Border Width (in, 0 = none)

Corners

Fabric Width (in)

Total Border Fabric

1.75 yds

Inner Border (2")

7 strips @ 2.5" = 0.5 yds

Outer Border (5")

8 strips @ 5.5" = 1.25 yds

Finished Quilt Size

74" × 90"

ℹ️ Strips assume piecing from width-of-fabric with diagonal seams. Measure border lengths through the quilt center, not along the edges.