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Crochet calculators
Calculate stitches, rows, gauge, shaping and materials for crochet projects.
Crochet blanket yarn calculatorStart with a quick range based on blanket size and yarn weight, or use a measured sample for a more accurate estimate.Open calculatorCrochet stitch calculatorTurn your measured stitch gauge into a practical starting stitch count for the width you want to make.Open calculatorCrochet gauge calculatorConvert the stitches and rows in your sample into consistent metric and imperial gauge measurements.Open calculatorRow calculatorTurn a measured row gauge into the practical number of rows needed for your project height.Open calculatorFinished size calculatorEstimate the finished dimensions of a piece from its stitch and row counts and your measured gauge.Open calculatorPattern repeat calculatorAdjust a target stitch count to the nearest number that fits complete pattern repeats and edge stitches.Open calculatorGranny square calculatorPlan the number and orientation of granny squares needed for a blanket, panel or other rectangular layout.Open calculatorHat yarn calculatorEstimate crochet or knitting yarn for a fitted hat with the crown and folded brim calculated separately.Open calculatorPattern resizing calculatorScale a rectangular pattern to new dimensions while keeping stitch counts compatible with your repeat.Open calculatorGauge adjustment calculatorAdjust pattern stitch and row counts when your measured gauge differs from the original.Open calculatorFoundation chain calculatorCalculate a crochet foundation chain from gauge, target width and repeat.Open calculatorEven increase calculatorDistribute stitch increases evenly across rows, rounds or sections.Open calculatorEven decrease calculatorDistribute stitch decreases evenly across rows, rounds or sections.Open calculatorSleeve taper calculatorPlan sleeve decreases between cuff and upper arm over the available rows.Open calculatorBaby blanket yarn calculatorEstimate yarn for a baby blanket from finished size and measured swatch consumption.Open calculatorScarf yarn calculatorEstimate yarn for a scarf from its width, length and swatch consumption.Open calculatorShawl yarn calculatorEstimate yarn for a shawl from planned dimensions and swatch consumption.Open calculatorIncrease rate calculatorUse the increase rate calculator to turn your own measurements into a clear, editable result.Open calculatorDecrease rate calculatorUse the decrease rate calculator to turn your own measurements into a clear, editable result.Open calculatorSleeve decrease calculatorTurn starting stitches, target stitches and sleeve rows into a checked decrease schedule with an exact first shaping row.Open calculatorButtonhole spacing calculatorTurn a blocked button band, vertical gauge and real button dimensions into evenly spaced positions aligned to whole rows.Open calculatorCrochet circle calculatorTurn a blocked diameter and measured gauge into a flat-circle plan with a final edge count and target for every round.Open calculatorCrochet oval calculatorPlan a chain-based crochet oval from blocked length, width and gauge, including the center chain and every round target.Open calculatorAmigurumi shape calculatorBuild a symmetric amigurumi sphere or capsule from finished diameter, height and measured round gauge.Open calculatorGranny square layout plannerCompare both orientations of a blocked motif and plan the whole-piece grid, finished dimensions and joining workload.Open calculatorCrochet border calculatorPlan a rectangular crochet border with different pickup rates for stitch and row edges, repeat fitting, corners and a complete setup-round total.Open calculatorCrochet stitch height calculatorTurn the measured height of several complete crochet rows into one-row height, standard row gauge and practical whole-row options for a target project length.Open calculatorC2C calculatorTurn a measured corner-to-corner block into a rectangular grid, complete diagonal row sequence and sample-based yarn estimate.Open calculatorCircle-to-square calculatorTurn a measured flat crochet circle into a symmetric square with four equal sectors, corner increases and a target for every transition round.Open calculatorTurning chain calculatorChoose a crochet stitch and edge convention to calculate the turning-chain height, complete foundation chain and exact first-stitch placement.Open calculatorBlanket project calculatorUse the blanket project calculator to turn your own measurements into a clear, editable result.Open calculatorHat project calculatorEstimate hat yarn from the straight section, reduced crown area, folded brim and a measured swatch.Open calculatorGranny square blanket calculatorCompare both orientations of a blocked motif and plan the whole-piece grid, finished dimensions and joining workload.Open calculatorTemperature blanket calculatorPlan a temperature blanket from calendar length, rows per day, measured yarn use and your expected distribution across five color bands.Open calculatorAmigurumi project calculatorEstimate amigurumi yarn from the total pattern stitch count and yarn measured across a representative group of stitches.Open calculator