Free Quilting Calculators: Know Your Fabric Before You Cut
No more guessing at the fabric shop. Tell us your quilt size, and we will work out exactly what you need, before a single piece is cut.
Type to search all 29 calculators, or tap a quick search. No account, no sign-up. The tools run right here.
What are you working on today?
Four groups, one plan for the whole quilt. Pick the part you are planning, and you will find every calculator for it, with a plain-English guide to the maths behind it.
Finishing
Binding, bias binding, borders, backing and batting. The last steps, calculated first.
9 calculatorsExplore Finishing →Fabric & Yardage
Fabric, yardage, strips, pieces to yardage and conversions. See how much to buy, in yards.
8 calculatorsExplore Fabric & Yardage →Piecing
Blocks, half-square triangles, flying geese, sashing and setting triangles.
8 calculatorsExplore Piecing →Size & Cost
Quilt size and bed fit, rag quilts, T-shirt quilts, and a fair price for your work.
4 calculatorsExplore Size & Cost →The calculators quilters reach for first
Start here. Each one shows its working, so you can check the answer yourself. Don't just take our word for it.
Quilt Backing Calculator
Backing fabric and yardage by quilt size, fabric width and overhang, for straight or diagonal piecing.
Calculate backing →Quilt Binding Calculator
Binding strips and yardage for any quilt size, with bias and straight-grain options.
Calculate binding →Quilt Border Calculator
Straight and mitered borders. See how much fabric each border really needs.
Calculate borders →Quilt Fabric Calculator
Total fabric for a quilt, broken down by piece, so nothing is guessed.
Calculate fabric →Quilt Yardage Calculator
Pieces to yardage, in inches and yards, rounded so you buy enough. Never short.
Calculate yardage →Quilt Block Size Calculator
Block size and layout for a finished quilt top, including half-square triangles.
Calculate blocks →No calculator matches that search yet. Try “piece count”, “backing”, “binding” or “border”.
It takes less than a minute
No app to install, no account to create. Just three steps.
Enter your measurements
Quilt top size, fabric width and allowances, in inches or centimetres, whichever you use.
See the answer, with its working
Dimensions, widths, lengths and yardage, plus the formula in steps, so you can verify every number.
Save, print or share it
Keep the result for the fabric shop, print it for your cutting table, or send it to a quilting friend.
Made for real cutting tables
- Free, with no login. You should never have to sign up just to do a bit of maths. Every calculator works without an account.
- Nothing hidden. Usable fabric width, overhang, seam allowance and rounding are shown right next to each result.
- One page per calculator. Each tool does one job properly, with its own guide. Not one confusing mega-page.
- Built for your phone at the cutting table. Big buttons, and nothing cut off on a small screen.
Free printable quilt size chart
Get the baby, twin, full, queen and king sizes in one printable chart for your sewing room. Email is optional. It never blocks the chart.
Get the printable chart