Quilt math,done for you.
Easy, accurate calculators for quilters, knitters and crocheters. Get the right amount of fabric or yarn, plan your projects, and spend more time making and less time doing the math.
Quilting Calculators
Get accurate fabric requirements for all your quilting projects.
- Quilt Backing CalculatorBacking yardage for 42", 54", 60" or 108" fabric, with the seam layout drawn for you.
- Quilt Binding CalculatorHow many strips to cut and how much fabric to buy, plus a fat-quarter option.
- Quilt Batting CalculatorBatting size, the smallest package that fits, and wide batting by the yard.
- Quilt Border CalculatorStrip lengths and yardage for up to 3 borders, butted or mitered.
- Fat Quarter CalculatorHow many squares or rectangles fit in a fat quarter, and how many to buy.
- Quilt Size ChartStandard quilt sizes from crib to California king, with a mattress + drop calculator.
- Half-Square Triangle CalculatorCut sizes for 2, 4 and 8 at a time HSTs, and how many squares to cut.
- Quarter-Square Triangle CalculatorHourglass unit cut sizes, exact or oversize and trim, with fabric needed.
- Flying Geese CalculatorNo-waste and stitch-and-flip cut sizes for any finished goose.
- Square in a Square CalculatorCenter and corner cut sizes for any block, traditional or stitch and flip.
- Setting Triangle CalculatorSide and corner triangles for on-point quilts, plus the finished quilt size.
Knitting & Crochet Calculators
Plan your yarn, stitches and project sizes with confidence.
- Increase Evenly CalculatorSpread increases evenly across a row or round, knit or crochet.
- Decrease Evenly CalculatorK2tog, P2tog or sc2tog spaced evenly across a row or round, US or UK terms.
- Hat Size CalculatorCast-on stitches for any head size and gauge, with hat height and crown depth.
- Blanket Yarn CalculatorEstimated yards and skeins for a knit or crochet blanket, with an honest range.
- Knitting Needle & Hook Size ChartMetric, US and old UK needle sizes, plus crochet hook letters, with a quick filter.
Why YardageLab
- Accurate yardage calculationsBased on real fabric widths
- Visual diagramsSee how many panels you’ll need
- Free to useNo sign-up, no cookies
- Made for makersBy quilters, for quilters