Sewing & crafts
tools and calculators.
20 practical tools with clear inputs and explanations. Choose a tool below, or explore a role-based toolbox for a collection that fits your day.
Knitting shaping row planner
Distribute one-stitch increases or decreases across a row schedule.
Crochet circle round counts
Build a round-by-round stitch-count reference for constant increases.
Quilt block layout planner
Preview a square-block quilt and calculate finished and cut dimensions.
Half-square triangle cut planner
Plan two-at-a-time HST starting squares with explicit trimming allowance.
Patchwork strip cutting yield
Estimate fabric length and spare pieces from repeated rectangular strip cuts.
Cross-stitch fabric size
Preview the stitched rectangle and fabric margins from count and stitch dimensions.
Embroidery thread budget
Estimate skein quantity from measured stitch use and working strands.
Weaving sett and reed planner
Compare target warp ends with a fixed reed denting arrangement.
Weaving warp length budget
Budget warp per end and total yarn for repeated woven pieces.
Macramé cord cutting budget
Turn a measured knot multiplier into cut lengths and spool counts.
Picture frame mat layout
Preview an artwork opening with centred or bottom-weighted borders.
Resin casting material budget
Estimate mixed volume and component masses from supplied product data.
Curtain fabric planner
Estimate joined fabric widths, repeat-matched drops and total fabric length.
Fabric shrinkage calculator
Measure shrinkage in each direction and allow for it before cutting.
Knitting & crochet gauge planner
Turn a measured swatch into stitch and row counts, including repeat multiples.
Quilt binding calculator
Plan straight-grain binding strips and fabric yardage from a quilt perimeter.
Bias binding fabric area
Estimate the fabric area behind a chosen length and cut width of bias strip.
Yarn quantity substitution
Match a pattern’s total yarn length to a replacement skein size.
Bead string length planner
Fit whole beads and spacers into a target necklace or bracelet length.
Circle skirt dimensions
Calculate waist and hem radii for full, half and quarter circle skirt sectors.