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How much backing fabric for a 60 × 80 quilt?
Throw size quilt, finished 60″ × 80″ (152.4 cm × 203.2 cm).
Buy
5 yd
of standard 42″–44″ quilting cotton — 2 panels × 88″ with 1 vertical seam. Or 2 yd of 108″ wide backing (one piece, no seams — cut 68″). Metric: 4.5 m of 110 cm fabric.
How it's worked out
- Add 4″ on every side for quilting (long-arm quilters usually ask for 4″–5″): 60 + 8 = 68″ wide, 80 + 8 = 88″ long.
- Quilting cotton is 42″–44″ wide; after trimming selvages about 40″ is usable, and each seam takes 1″.
- Running the seams vertically you need 2 widths of fabric, each 88″ long.
- 2 × 88″ = 176″ = 4.89 yards → round up to the next ⅛ yard: 5 yd.
Sewing the seams the other way (horizontal) would take 3 panels × 68″ with 2 horizontal seams = 5 3/4 yd , so vertical seams save fabric.
Backing yardage with different overhang
| Extra per side | Backing size | 42″ fabric | 108″ wide | Metric |
|---|---|---|---|---|
| 2″ | 64″ × 84″ | 4 3/4 yd (2 panels) | 1 7/8 yd | 4.3 m |
| 3″ | 66″ × 86″ | 4 7/8 yd (2 panels) | 1 7/8 yd | 4.4 m |
| 4″ | 68″ × 88″ | 5 yd (2 panels) | 2 yd | 4.5 m |
| 5″ | 70″ × 90″ | 5 yd (2 panels) | 2 yd | 4.6 m |
| 6″ | 72″ × 92″ | 5 1/8 yd (2 panels) | 2 yd | 4.7 m |
Same quilt: binding & batting
- Binding for a 60 × 80 quilt: 8 strips of 2½″ → 5/8 yd.
- Batting: at least 68″ × 88″ — a Twin package fits, or 2 yd off a 96″ roll.
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