Result
5.99 yards backing fabric
The quilt backing needs about 5.99 yards using lengthwise panels and the entered overhang and allowance.
- Backing length
- 98 inches
- Backing width
- 80 inches
- Fabric panels
- 2 panels
- Panel seams
- 1 seams
- Yardage before allowance
- 5.44 yards
Estimate only. Confirm usable fabric width, grain or direction, shrinkage, seams, pattern repeat, cutting layout, project instructions, and the seller's yardage increment before cutting or buying. Read the full disclaimer.
More
Optional equipment checkWhat to compare before buying
Compare quilt-backing fabric by usable width, continuous-cut length, fiber, shrinkage, quilting overhang, seam plan, colorfastness, and the yardage in the result.
Buying checklist
Search Amazon for quilt-backing fabric: Check price on Amazon
This section contains affiliate links. As an Amazon Associate I earn from qualifying purchases.At a glance
- Cost
- Free
- Login
- Not required
- Best use
- Estimate quilt-backing yardage from quilt dimensions, quilting overhang, fabric width, panel seams, and waste allowance.
- Output
- Browser result with print and PDF options
Result summary
Quick answer
With the sample inputs, this calculator returns 5.99 yards backing fabric. Backing length: 98 inches. Use 5.99 yards backing fabric as the yardage or strip-count starting point, then check usable width, seams, pattern repeat, shrinkage, cutting layout, and the increment in which the fabric is sold.
Instructions
How to use this calculator
Open the short walkthrough for choosing and checking inputs.
The calculator adds backing overhang to quilt length and width, divides backing width by usable fabric width to count lengthwise panels, then adds cutting allowance.
Page guide
On this page
Jump directly to the part of the calculator you need.
Calculation details
Formula and methodology
See the exact math used to produce the result.
Backing panels = backing width divided by usable fabric width after seam loss and rounded up; panels x backing length are adjusted for cutting allowance and divided by 36.
Before acting
Assumptions to check
Review the real-world details that can change the estimate.
The key inputs are Quilt length, Quilt width, Backing extra per side, Fabric width, Width lost per panel seam and cutting allowance. The estimate arranges lengthwise panels and subtracts one entered seam-loss amount from usable panel width; compare alternate panel orientation, centered seams, wide-back fabric, longarm overhang requirements, directional prints, prewashing, and shrinkage before cutting.
More guidance Examples, methodology, and planning checks Open the worked example, review notes, reference tables, and practical next checks.
When to round up
Round up for prewashing, shrinkage, pattern matching, directional prints, squaring, longarm requirements, piecing orientation, and a centered seam layout.
When to use this calculator
- Turning finished project dimensions into a fabric purchase estimate
- Comparing usable width, seams, fullness, overhang, and pattern-repeat layouts
- Checking yardage before buying, prewashing, or cutting fabric
Tips for better estimates
- Use the measured width between selvages rather than the nominal bolt width.
- Keep grain, nap, one-way prints, repeat matching, seams, and shrinkage visible in the cutting plan.
- Round to the seller's increment only after checking the layout and adding a project-appropriate reserve.
How this estimate was built
This page adds quilting overhang on all sides, counts lengthwise panels from usable fabric width after seam loss, multiplies panels by backing length, and applies the entered cutting allowance.
Worked example
Example inputs: Quilt length: 90 inches; Quilt width: 72 inches; Backing extra per side: 4 inches; Fabric width: 44 inches; Width lost per panel seam: 1 inches; Cutting allowance: 10 %. With those values, the calculator returns 5.99 yards backing fabric. The quilt backing needs about 5.99 yards using lengthwise panels and the entered overhang and allowance.
Example scenarios
- A 72-by-90-inch quilt with four inches of backing overhang on every side needs an 80-by-98-inch backing.
- Using 44-inch fabric with one inch lost at each panel seam requires two lengthwise panels and about 5.44 yards before allowance.
- A 10% cutting allowance raises the sample to about 5.99 yards; compare that plan with wide-back fabric, centered seams, pattern direction, and longarm requirements.
Quick reference chart
| Sample result | 5.99 yards backing fabric |
|---|---|
| Backing length | 98 inches |
| Backing width | 80 inches |
| Fabric panels | 2 panels |
| Panel seams | 1 seams |
| Best next step | Use 5.99 yards backing fabric as a starting estimate, then compare it with the real conditions before acting. |
FAQs
Quilt Backing Calculator questions
Can I use this as my final fabric order?
Use it as a planning estimate, then confirm usable width, grain, direction, seams, repeat matching, shrinkage, cutting layout, and the pattern instructions.
Should I add extra fabric?
Usually yes. Add a project-appropriate reserve for shrinkage, defects, matching, test cuts, damage, and future repairs.
What fabric width should I use?
Use the measured usable width between selvages, not only the nominal width printed on the bolt.
Can the calculator optimize irregular pattern pieces?
No. Sketch the cutting layout and follow the pattern instructions for garments, bias cuts, fussy cutting, borders, and other irregular pieces.
Is the quilt backing calculator exact?
No. It is a fabric-planning estimate. Usable width, shrinkage, nap, pattern direction, matching, seams, and the actual cutting layout can change yardage.
What inputs matter most?
Quilt dimensions, backing overhang, usable fabric width, seam allowance, and cutting allowance determine yardage.
More resources Saved tools and additional links Open optional follow-ups, common mistakes, and more calculators.
Saved tools
Saved calculators
- No saved calculators yet.
Recent tools
Recent calculators
- Recent calculators will appear here.
Common planning mistakes
Using nominal instead of usable fabric width, rotating directional pieces, forgetting seams or shrinkage, ignoring repeat matching, and rounding before checking the cutting layout.
Was this calculator helpful?
Suggest an improvementNotice an issue with this calculator? Contact us here.