Sewing & Quilting

Quilt Binding Calculator

Turn quilt perimeter into binding strips and yardage before cutting across the width of fabric.

Result

9 strips binding strips

Cut about 9 strips across the usable fabric width for the entered quilt and allowance.

Quilt perimeter
324 inches
Binding length with allowance
369.6 inches
Full-width strips
9 strips
Fabric yardage for strips
0.63 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.

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What to do next

Use 9 strips binding strips as a starting estimate, then compare it with the real conditions before acting.

Optional equipment checkWhat to compare before buying

Use the strip count and yardage result to compare binding fabric and tools by usable width, grain direction, strip width, joining method, fold style, and cutting accuracy.

Buying checklist

  • Product specifications that match the real-world use case
  • Any supplies needed to use the result
  • Safety, fit, and maintenance requirements
  • Manufacturer instructions and warranty limits
Best straight-grain binding Use stable fabric and the calculated full-width strips for ordinary quilt edges.
Best curved-edge check Bias binding needs a different layout and more fabric than straight-grain strips.
Best cutting setup A suitable ruler, mat, rotary cutter, and bias tool can improve consistent strip width.
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At a glance

Cost
Free
Login
Not required
Best use
Estimate quilt-binding length, full-width strip count, and fabric yardage from quilt dimensions, strip width, overlap, and cutting allowance.
Output
Browser result with print and PDF options

Result summary

Quick answer

With the sample inputs, this calculator returns 9 strips binding strips. Quilt perimeter: 324 inches. Use 9 strips binding strips 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 finds quilt perimeter, adds joining and finishing overlap plus a cutting allowance, divides by usable width for strip count, and converts strip width to yardage.

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.

Binding length = quilt perimeter + finishing overlap, adjusted by the cutting allowance; strip count divides that length by usable fabric width and rounds up.

Before acting

Assumptions to check

Review the real-world details that can change the estimate.

The key inputs are Quilt length, Quilt width, Cut strip width, Usable fabric width, Joining and finishing overlap and cutting allowance. Strip count assumes straight-grain width-of-fabric strips and includes the entered overlap; bias binding, curved edges, flange binding, joining angles, mitered corners, narrow usable width, shrinkage, and a spare strip can increase the purchase.

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 bias joins, mitered corners, test strips, narrow usable width, directional fabric, shrinkage, scrappy binding, or a flange that changes cut width.

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 calculates quilt perimeter, adds joining and finishing overlap, applies the cutting allowance, rounds full-width strip count up, and converts the strip count and cut width to fabric yardage.

Worked example

Example inputs: Quilt length: 90 inches; Quilt width: 72 inches; Cut strip width: 2.5 inches; Usable fabric width: 44 inches; Joining and finishing overlap: 12 inches; Cutting allowance: 10 %. With those values, the calculator returns 9 strips binding strips. Cut about 9 strips across the usable fabric width for the entered quilt and allowance.

Sewing and quilting estimate visual estimate card
Use this visual summary as a starting point for fabric planning.
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Example scenarios

  • A 72-by-90-inch quilt has a 324-inch perimeter before binding overlap or cutting allowance.
  • Adding 12 inches for joining and finishing plus 10% allowance produces about 369.6 inches of binding length.
  • At 44 inches of usable width, the sample requires nine full-width 2.5-inch strips, or about 0.63 yard before store-unit rounding.

Quick reference chart

Quilt Binding Calculator sample reference
Sample result9 strips binding strips
Quilt perimeter324 inches
Binding length with allowance369.6 inches
Full-width strips9 strips
Fabric yardage for strips0.63 yards
Best next stepUse 9 strips binding strips as a starting estimate, then compare it with the real conditions before acting.

FAQs

Quilt Binding 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 binding 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, binding strip width, usable fabric width, overlap, and cutting allowance determine strip count and yardage.

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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.