Calculators (30)
All calculatorsAmigurumi 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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
