Australia GST Calculator (Add or Remove 10% GST & BAS)
Add 10% GST or calculate the 1/11th GST component backwards from inclusive totals.
Quilt Binding Calculator
Calculate quilt binding strip count, total inches, and exact fabric yardage.
⟨/⟩ Embed this tool on your site
Paste this into any page — the live tool appears with a credit link back here.
✏️ Sketching your tool…
Sponsored: Recommended offer →
About Quilt Binding Calculator
Precision quilt binding calculator. Enter quilt dimensions to get exact binding perimeter, number of strips needed, and yardage for straight-grain or continuous bias binding with mitered corners.
How do you calculate fabric yardage for quilt binding?
Calculating quilt binding yardage requires a four-step mathematical formula: 1) Compute the quilt perimeter: (Width + Length) × 2. 2) Add a 12-inch joining margin for folding mitered corners and trimming 45° diagonal tails. 3) Divide total linear inches by the usable width of fabric (WOF, standardly 40 inches after cutting off selvages) and round up to the nearest whole integer. 4) Multiply the strip count by your strip cutting width (e.g. 2.5 inches) and divide by 36 to determine exact yardage to purchase at the fabric store.
Standard Quilt Size Binding Yardage Reference Chart
↔ Swipe table horizontally to see strip counts and yardage across bed sizes
| Quilt Size Preset | Dimensions (W × L) | Total Perimeter | 2.5″ Strips Needed (40″ WOF) | Yardage to Buy (2.5″ Strips) | Yardage to Buy (2.25″ Strips) |
|---|---|---|---|---|---|
| Baby / Crib | 36″ × 52″ | 176 inches | 5 strips | 1/2 yard (18″) | 3/8 yard (14″) |
| Lap / Throw | 50″ × 65″ | 230 inches | 7 strips | 1/2 yard (18″) | 1/2 yard (18″) |
| Twin Bed | 70″ × 90″ | 320 inches | 9 strips | 5/8 yard (23″) | 5/8 yard (23″) |
| Full / Double | 84″ × 90″ | 348 inches | 9 strips | 5/8 yard (23″) | 5/8 yard (23″) |
| Queen Bed | 90″ × 108″ | 396 inches | 11 strips | 7/8 yard (32″) | 3/4 yard (27″) |
| King Bed | 108″ × 108″ | 432 inches | 12 strips | 7/8 yard (32″) | 7/8 yard (32″) |
| California King | 102″ × 114″ | 432 inches | 12 strips | 7/8 yard (32″) | 7/8 yard (32″) |
Official Quilting Mathematical Formulas
Standard mathematical formulas utilized by modern quilt designers and pattern makers:
// 1. Quilt Outer Perimeter Perimeter = (Quilt Width + Quilt Length) × 2 // 2. Total Linear Binding Required Total Linear Inches = Perimeter + Corner & Tail Allowance (12 inches) // 3. Number of Strips to Cut Strips Needed = ceil(Total Linear Inches ÷ Usable Fabric Width (WOF, default 40″)) // 4. Exact Fabric Yardage Fabric Yardage = (Strips Needed × Strip Width) ÷ 36
Straight Grain vs. Continuous Bias Binding: Which should I use?
Straight-grain binding (strips cut crosswise from selvage to selvage across the 42–44" width of fabric) is the standard for 90% of square or rectangular quilts. It is fast to rotary cut, presses flat, and maximizes yardage efficiency. Continuous bias binding (cut at a 45-degree angle to the selvage) incorporates natural fabric mechanical stretch and flexibility; bias binding is strictly required for quilts with scalloped edges, rounded corners, or curved borders to prevent puckering and ripples.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Quilt Binding Calculator on Wikipedia. More: all calculators.
Frequently Asked Questions about Quilt Binding Calculator
How much binding fabric do I need for a Queen size quilt?
A standard 90" × 108" Queen size quilt has a 396-inch perimeter. Adding a 12-inch corner and joining allowance requires 408 total linear inches of binding. Using standard 40" usable WOF, you need 11 strips cut at 2.5", requiring 7/8 yard (31.5 inches) of fabric.
What is the most popular strip cutting width for quilt binding?
The universal quilting industry standard for double-fold (French fold) binding is 2.5 inches (cut from yardage). When folded lengthwise and stitched with a 1/4" seam allowance, it leaves a full, durable 3/8" finished border on both front and back. Many contemporary modern quilters also cut 2.25-inch strips for a crisp, narrow 1/4" finished edge.
Why should binding strips be joined at a 45-degree mitered angle?
Joining strips diagonally at 45° angles distributes the seam allowance bulk across several inches of the binding edge rather than stacking all seam layers in a single spot. Straight 90° butt joins create lumpy ridges that jam sewing machine walking feet and wear down prematurely.
Why is double-fold (French fold) binding better than single-fold?
Double-fold binding folds the fabric strip in half lengthwise with wrong sides together before attaching. This wraps two full layers of fabric over the quilt edges, which are the highest friction and wear points on a quilt, doubling the lifespan of the quilt.
How many inches should I add for joining ends and corners?
Always add 10 to 12 inches to your raw perimeter measurement. This gives you 2 inches for each of the four mitered corners plus an 8-inch overlap buffer to execute the final 45° continuous tail seam without straining.
What is usable Width of Fabric (WOF)?
Standard quilting cotton bolts are labeled 42" to 44" wide. However, the non-absorbent, densely woven outer selvages (roughly 1 to 2 inches on either side) must be trimmed away before piecing, leaving approximately 40 inches of pure usable fabric per strip.
Can I use fat quarters to make quilt binding?
Yes, but fat quarters measure 18" × 21", meaning each strip will only be 21" long rather than 40". You will need almost twice as many strips and more diagonal seam joins, which increases seam bulk. Purchasing continuous yardage is strongly recommended for large quilts.
Related Articles & Guides
Oct 18, 2026
Estimate Your Dog Human-Equivalent Age (Guide)
Three steps, two minutes: exact decimal age, UCSD conversion, breed-size correction. Worked example for a 6.5-year-old Beagle (medium): ln(6.5) ≈ 1.872, times 16 ≈ 30, plus 31 ≈…
Read postOct 17, 2026
Dog Years vs Human Years: What Is the Difference?
Dog years count birthdays; human years map developmental equivalence. A 4-year-old dog has lived 4 dog years and functions like a ~53-year-old human. Same animal, two numbers, two…
Read postOct 17, 2026
Which Dog Age Calculator Is Scientifically Accurate?
The scientifically accurate calculator is the one running 16 × ln(age) + 31 with breed-size correction — currently that description fits a short list headlined by our own…
Read post