StitchTick Español

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Free Android app — works offline, no pop-up ads.

Get it on Google Play

Crochet & knitting calculators and row counter

How much yarn for a blanket, how many chains to start, how to increase evenly, how many rounds for an amigurumi ball, which hook is a J: answers in inches and centimeters, from the Craft Yarn Council charts. Everything runs in your browser; the Android app adds a row counter for every project and works offline.

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Plan a project

Yarn Calculator: How Much Yarn Do I Need?

Yards and skeins for a blanket, scarf, hat, sweater or socks, by size and yarn weight — or exactly from your swatch.

Blanket Size Chart & Starting Chain Calculator

Common crochet and knit blanket sizes from stroller to king, and how many chains or stitches to start with at your gauge.

Gauge Calculator: Stitches for Any Size

From your swatch: how many stitches and rows for a width and length, and how to match a pattern’s gauge.

Crochet Price Calculator: What to Charge

Price a handmade piece from yarn, other materials, your hours and a markup — for markets, Etsy and commissions.

Row Counter for Crochet & Knitting

A simple row counter in your browser: tap to count, undo, reset. The Android app keeps a counter for every project.

Shaping

Increase Evenly Calculator (Crochet & Knit)

Spread increases evenly across a row or round, with written instructions like “(sc 9, inc) × 12”.

Decrease Evenly Calculator (Crochet & Knit)

Spread decreases evenly across a row or round, with written instructions like “(K10, k2tog) × 6”.

Amigurumi Sphere Calculator (Crochet Ball Pattern)

Round-by-round pattern for a crochet ball or flat circle of any size: increases, even rounds and decreases.

Charts & terms

Crochet Hook Size Chart (mm, US letters)

Every crochet hook in mm and US letter-number (B-1 to S), with the yarn weights each one is meant for.

Knitting Needle Size Chart (US, mm, UK)

Knitting needle sizes in US numbers, millimeters and old UK sizes, with the yarn weights for each.

Yarn Weight Chart (0 Lace to 7 Jumbo)

The yarn weight numbers 0–7: what each is called, its gauge, hook and needle sizes, and wraps per inch.

Crochet & Knitting Abbreviations: US, UK and Spanish

What sc, hdc, k2tog and the rest mean, US vs UK crochet terms, and the Spanish names (pb, pa, aum).

How much yarn

How much yarn for a stroller blanket

How much yarn for a baby blanket

How much yarn for a crib blanket

How much yarn for a lapghan (lap blanket)

How much yarn for a throw blanket

How much yarn for a twin size blanket

How much yarn for a full size blanket

How much yarn for a queen size blanket

How much yarn for a king size blanket

How much yarn for a scarf

How much yarn for a hat

How much yarn for a sweater

How much yarn for a pair of socks

How many chains to start a blanket

How many chains for a stroller blanket

How many chains for a baby blanket

How many chains for a crib blanket

How many chains for a lapghan (lap blanket)

How many chains for a throw blanket

How many chains for a twin size blanket

How many chains for a full size blanket

How many chains for a queen size blanket

How many chains for a king size blanket

Yarn weights

Amigurumi balls

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