Calculators (55)
All calculatorsAmigurumi proportion and safety eye calculator
Plan head, body and leg sizes for chibi, kawaii or doll proportions, plus eye size and placement, with safety guidance for young children.Open the calculatorAmigurumi size calculator
Predict a toy's new height, yarn and stuffing when you change yarn and hook, or scale a pattern up or down.Open the calculatorAmigurumi sphere calculator
Round-by-round instructions for a crochet ball of any size: the classic +6 pattern or a rounder version that follows a true sphere.Open the calculatorC2C crochet calculator
Tiles across and down, diagonal rows, where to stop increasing and start decreasing, and yarn for a corner-to-corner blanket.Open the calculatorContinuous granny square blanket calculator
Predict the yarn for every round of a centre-out granny square blanket, the total for your target size, and the last round your yarn reaches.Open the calculatorCraft fair and marketplace fee calculator
Find the listing price that leaves you a set amount after marketplace fees, or how many items you must sell to cover a craft fair booth.Open the calculatorCrochet armhole and neckline calculator
Shape set-in armholes and V, scoop or square necklines on a front panel so the shoulders come out the width you want.Open the calculatorCrochet blanket size calculator
Starting chain, stitches and rows for 14 standard blanket sizes from lovey to king, at your gauge, with border and yarn estimates.Open the calculatorCrochet blocking growth calculator
Measure a swatch before and after washing to see how much it grows or shrinks, and how big to crochet so it blocks to size.Open the calculatorCrochet border stitch calculator
How many stitches to pick up along row ends so a border lies flat, and the setup counts that make a border pattern fit every side.Open the calculatorCrochet border yarn calculator
Estimate the yarn and balls a blanket border needs, including the corners and ruffled or shell edges.Open the calculatorCrochet circle increase calculator
Round-by-round instructions for a flat crochet circle of any diameter, with staggered increases so it stays round, in US or UK terms.Open the calculatorCrochet circle to square calculator
Turn any crochet circle into a square: stitches per side, how to handle a remainder, and a graded squaring round in US or UK terms.Open the calculatorCrochet cone and cylinder calculator
Round-by-round instructions for crochet cones, tapered tubes and cylinders, using the true slant height so the shape comes out tall enough.Open the calculatorCrochet fringe and tassel calculator
Cut length, number of strands and yarn for fringe on a blanket or scarf, and yarn for tassels.Open the calculatorCrochet garment ease calculator
Turn a body measurement and ease into a finished chest and panel stitch counts for pullovers and cardigans, including button band overlap.Open the calculatorCrochet gauge calculator
Turn a measured swatch into stitches and rows per inch, per 4 in and per 10 cm, and get the stitch and row counts for any size.Open the calculatorCrochet gauge difference calculator
Compare your swatch with the pattern's gauge and see how much bigger or smaller the finished piece will be if you follow the pattern as written.Open the calculatorCrochet gauge troubleshooter
Find out why your swatch doesn't match the pattern and whether to change hook size or how you pull up your loops.Open the calculatorCrochet hat size calculator
Size a top-down crochet hat from a head measurement: finished size, crown diameter, stitches, and every round including a partial last increase round.Open the calculatorCrochet hook size converter
Convert crochet hook sizes between millimetres, US letters, old UK numbers, Japanese sizes and steel thread hooks, with brand differences flagged.Open the calculatorCrochet oval calculator
Starting chain and round-by-round instructions for a flat crochet oval, such as a bag base or rug, to any length and width.Open the calculatorCrochet pattern grading calculator
Grade a garment panel across nine sizes from XS to 5XL, fitted to the stitch repeat, with pattern-ready bracket notation.Open the calculatorCrochet pattern repeat calculator
Centre a stitch pattern across a panel so both edges have the same number of plain stitches, with a fix when they can't match.Open the calculatorCrochet pattern resizing calculator
Resize a flat pattern such as a blanket or scarf to new dimensions, keeping its stitch and row repeats and scaling the yarn.Open the calculatorCrochet pattern stitch count checker
Paste rows or rounds from a pattern to check the stitches each one uses and makes against the stated count, in US or UK terms.Open the calculatorCrochet pricing calculator
Price handmade crochet from materials, your time and overheads, by profit margin or markup, without mixing the two up.Open the calculatorCrochet raglan sweater calculator
Plan a top-down raglan yoke: the starting split, separate body and sleeve increase rounds, and the stitch counts at the underarm.Open the calculatorCrochet session and travel planner
Split your crochet time into work bouts with breaks, and work out how much yarn to pack for a trip.Open the calculatorCrochet shaping rate calculator
Work out how often to increase or decrease to get from one stitch count to another over a set number of rows, with a row-by-row list.Open the calculatorCrochet sleeve taper calculator
Spread sleeve decreases or increases evenly between upper arm and cuff, top down or cuff up, with the exact rows to shape on.Open the calculatorCrochet sock size calculator
Stitch count, toe, foot length before the heel and heel split for toe-up crochet socks and slippers, from your foot measurements.Open the calculatorCrochet stitch and row calculator
Find the stitches per row, rows, starting chain and total stitch count for any size, with an allowance for a border added later.Open the calculatorCrochet stripe calculator
Plan repeating, mirrored, Fibonacci or random stripes, with rows and yarn per colour and the ends you'll have to weave in.Open the calculatorCrochet time calculator
Estimate how long a project will take from your crochet speed, including weaving in ends, and how much to crochet each day to meet a deadline.Open the calculatorCrochet triangle shawl and polygon calculator
Rows and stitch counts for top-down and sideways triangle shawls, and increases and sizes for flat hexagons, pentagons and octagons.Open the calculatorFilet crochet chain calculator
Starting chain, row 1 stitches and finished size for filet, overlay mosaic and tapestry charts, and whether chart squares come out square.Open the calculatorFoundation chain calculator
Work out how many chains to start with for any width, gauge and stitch repeat, including the right turning chain for sc, hdc, dc or tr.Open the calculatorGranny square blanket calculator
How many granny squares a blanket needs, the finished size with joins and border, squares per ball, and yarn for the squares and joining.Open the calculatorGranny square colour planner
Arrange granny square colours so no two matching squares touch, and see the yarn each round and each colour uses.Open the calculatorIncrease or decrease evenly calculator
Space increases or decreases evenly across a row or round and get stitch-by-stitch instructions you can follow, in US or UK terms.Open the calculatorMixed-size granny square layout planner
Fit 1 × 1, 2 × 2, 3 × 3 and 4 × 4 squares into a gap-free blanket layout, and the blocked size each must reach so the joins line up.Open the calculatorPattern gauge converter
Keep the fabric you like and recalculate a pattern's stitch and row counts for your own gauge, fitted to the stitch repeat.Open the calculatorPlanned pooling crochet calculator
Find the row widths that turn variegated yarn into argyle, and preview the pooling before you crochet.Open the calculatorRemaining yarn calculator
Weigh a partly used ball to find how many yards or metres are left, and whether it is enough to finish your next rows or motifs.Open the calculatorScrap yarn blanket size calculator
Find the biggest blanket or scarf you can make from the yarn you already have, from a weighed swatch, with checkpoints for corner-to-corner.Open the calculatorTemperature blanket calculator
Check how long a temperature blanket will be before you start, and make a colour key in °F and °C with equal or bell-curve bands.Open the calculatorTunisian crochet calculator
Choose a Tunisian hook size, the hook and cable length for your width, and the loops to cast on, for tss, tks, tps and more.Open the calculatorUS to UK crochet terms converter
Translate crochet pattern text between US and UK terms in one pass, with automatic detection and a list of every abbreviation changed.Open the calculatorWraps per inch (WPI) calculator
Identify an unlabelled yarn's weight category from wraps per inch or length per 100 g, with typical gauge and hook ranges.Open the calculatorYarn held together calculator
Find what weight of yarn two or three strands held together behave like, the hook to start with, and how much of each to buy.Open the calculatorYarn stash batch planner
Plan how many hats, scarves, squares or gifts you can make from your stash, and the combination that leaves the least yarn over.Open the calculatorYarn substitution calculator
Swap the yarn in a pattern by matching length, not weight: see how many balls to buy and how different the two yarns really are.Open the calculatorYarn unit converter
Convert yarn labels between yards and metres, ounces and grams, per 100 g, per 50 g and per ounce, and cone counts in Nm, tex and denier.Open the calculatorYarn yardage calculator
Estimate how much yarn and how many balls a project needs from a weighed swatch, a pattern's yardage or yarn per stitch.Open the calculator
