Every calculator shows its formula, works a real example, and explains what to measure, so you can trust the number before you cut the fabric or buy the yarn.
Nothing matches that yet. Try another word, like “yardage” or “stitches”.
Quilt Fabric Calculators
Backing, binding, borders, and every yard in between.
Quilt Calculator
Plan a whole quilt: blocks, yardage, backing, binding
Open calculatorQuilt Size Calculator
Finished size from bed, drop, and pillow tuck
Open calculatorQuilt Fabric and Yardage Calculator
Total fabric for every part of your quilt
Open calculatorFat Quarter Calculator
Pieces per fat quarter and fat quarters to buy
Open calculatorQuilt Border Calculator
Border strip counts and yardage, butted or mitered
Open calculatorQuilt Sashing Calculator
Sashing strips and cornerstones from your block count
Open calculatorPrairie Points Calculator
Folded-point counts, squares, and fabric for edges
Open calculatorQuilt Backing Calculator
Backing yardage with three seam layouts compared
Open calculatorQuilt Batting Calculator
Batting size and package match for any quilt
Open calculatorQuilt Binding Calculator
Strips and yardage for straight or bias binding
Open calculatorQuilt Block Calculators
Cutting math for the blocks you piece most.
Quilt Block and Square Calculator
Blocks needed and cut sizes with seam allowance
Open calculatorHalf Square Triangle Calculator
HSTs two, four, or eight at a time
Open calculatorFlying Geese Calculator
Cutting sizes for four flying geese methods
Open calculatorSquare in a Square Calculator
Center and corner cuts that finish true
Open calculatorQuilt Triangle Calculator
Quarter square triangle and hourglass cutting math
Open calculatorHexagon Quilt Calculator
Hexie counts and fabric from any hexagon size
Open calculatorQuilt Layout Calculator
Rows, columns, and finished size from your blocks
Open calculatorOn Point Setting Calculator
Setting and corner triangles for on-point layouts
Open calculatorSetting Triangles Calculator
Side and corner triangle cuts for on-point edges
Open calculatorQuilt Pattern Calculators
Numbers for the patterns everyone asks about.
Charm Pack Calculator
Charm packs needed for your quilt size
Open calculatorJelly Roll and Strip Calculator
Strips, races, and finished sizes from 2½″ rolls
Open calculatorLayer Cake Quilt Calculator
Quilts from 10 in precut squares, cakes counted
Open calculatorLog Cabin Quilt Calculator
Strip widths and logs per block
Open calculatorBargello Quilt Calculator
Strip counts and runs for a bargello
Open calculatorLone Star Quilt Calculator
Diamond strips and star sizing
Open calculatorRag Quilt Calculator
Squares, seams, and flannel yardage
Open calculatorT-Shirt Quilt Calculator
Shirts, stabilizer, and sashing for a memory quilt
Open calculatorKnitting Calculators
Gauge, cast on, and shaping: evenly, every time.
Knitting Calculator
Gauge, cast on, shaping, and yarn in one hub
Open calculatorKnitting Gauge Calculator
Stitches and rows per inch from your swatch
Open calculatorGauge Conversion Calculator
Re-math a pattern for your real gauge
Open calculatorNeedle Size Conversion Chart
US, UK, and millimeter needle sizes matched
Open calculatorCast On Stitch Calculator
Stitches to cast on from gauge and width
Open calculatorKnitting Increase Calculator
Increase evenly with knit-between counts
Open calculatorKnitting Decrease Calculator
Decrease evenly across a row or round
Open calculatorPick Up Stitches Calculator
Even pick-up spacing along any edge
Open calculatorKnitting Ease Calculator
Finished size from body measurement and fit
Open calculatorSweater Knitting Calculator
Yoke, raglan, sleeve, and neckband numbers
Open calculatorSock Knitting Calculator
Sock stitch counts, heel turn included
Open calculatorKnit Hat Decrease Calculator
Crown decreases spaced to your stitch count
Open calculatorKnitting Machine Calculator
Needle count from cylinder diameter and gauge
Open calculatorCrochet Calculators
From starting chain to final decrease.
Crochet Calculator
Chains, gauge, shaping, and yarn in one hub
Open calculatorCrochet Hook Size Chart
Hook sizes across mm, US letters, and steel
Open calculatorCrochet Gauge Calculator
Swatch gauge and project stitch counts
Open calculatorStarting Chain Calculator
Chain length with turning chains included
Open calculatorCrochet Stitch Calculator
Stitch counts for any width and gauge
Open calculatorStitch Multiples Calculator
Widths that fit your stitch repeat
Open calculatorCrochet Increase Calculator
Spread increases evenly, no bunching
Open calculatorCrochet Decrease Calculator
Decrease evenly across any stitch count
Open calculatorCrochet Circle Calculator
Flat circle increases, round by round
Open calculatorCrochet Sphere Calculator
Amigurumi spheres, row by row
Open calculatorCrochet Resize Calculator
Scale a pattern up or down to size
Open calculatorFilet Crochet Calculator
Starting chain from filet mesh blocks
Open calculatorPlanned Pooling Calculator
Plan argyle color pooling by stitch count
Open calculatorCrochet Project Calculators
Blankets, hats, and sweaters that come out the right size.
Crochet Blanket Calculator
Blanket sizes with stitch and yarn counts
Open calculatorC2C Crochet Calculator
Corner-to-corner rows, size, and yarn
Open calculatorGranny Square Calculator
Squares per blanket and yarn per square
Open calculatorCrochet Hat Size Calculator
Hat circumference and crown math by size
Open calculatorCrochet Sweater Calculator
Sweater sizing from your gauge swatch
Open calculatorRandom Stripe Generator
Random stripes from your yarn palette
Open calculatorYarn Calculators
How much yarn, in any weight, for any project.
Yarn Yardage Calculator
How much yarn, for any project
Open calculatorYarn Weight Conversion Calculator
Grams, yards, meters, and WPI converted
Open calculatorYarn Substitution Calculator
Check a substitute yarn before you buy
Open calculatorYarn Held Together Calculator
Resulting weight of strands held together
Open calculatorKnitting Yarn Calculator
Yarn yardage for knitting projects
Open calculatorCrochet Yarn Calculator
Yarn yardage for crochet projects
Open calculatorTemperature Blanket Calculator
A year of rows sized, planned, and supplied
Open calculatorPom Pom and Fringe Calculator
Yarn for poms by size, fringe by the piece
Open calculatorWeaving Sett Calculator
Ends per inch from WPI or yards per pound
Open calculatorWeaving Warp Calculator
Warp and weft lengths from sett and size
Open calculatorSewing Calculators
Yardage and fit math for garments and bags.
Sewing Formulas and Calculations
The formulas behind every sewing number
Open calculatorFabric Yardage Calculator
Yardage from pattern pieces and fabric width
Open calculatorSewing Ease and Fit Calculator
Ease and size adjustments that fit
Open calculatorCircle Skirt Calculator
Radius and hem math for circle skirts
Open calculatorRuffle and Gathering Calculator
Gathering strips by fullness, tiered skirts too
Open calculatorPleat Calculator
Knife and box pleat take-up and cut widths
Open calculatorZipper Size Calculator
The zipper length to buy and how to shorten it
Open calculatorBag Gusset Calculator
Gusset cuts for boxed bag bottoms
Open calculatorCushion Fabric Calculator
Box cushion plates, boxing, zipper, and piping
Open calculatorTablecloth Size Calculator
Cloth size from table and drop, with yardage
Open calculatorCraft Pricing Calculators
Materials, time, and overhead: priced to sell.
Quilt Pricing Calculator
Price a quilt by size and work
Open calculatorKnitting Pricing Calculator
What to charge for hand knits
Open calculatorCrochet Pricing Calculator
Price crochet work: materials, time, overhead
Open calculatorSewing Pricing Calculator
Sewing cost from materials and minutes
Open calculatorEmbroidery Pricing Calculator
Pricing by stitch count and hoop time
Open calculatorEmbroidery Calculators
Stitch counts and thread for machine embroidery designs.