Free Knitting Calculators & Charts

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Increase & Decrease

Calculate evenly spaced increases or decreases.

📏

Gauge Adjustment

Adjust pattern stitch counts to match your gauge.

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Sweater Pattern Gen

Create a custom knitting pattern for any yarn & size.

🥢

Needle Size Chart

Convert US, UK, and Metric (mm) sizes instantly.

⚖️

Yarn Weight Chart

Convert WPI to standard weights (DK, Worsted) & needle sizes.

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Yarn Substitution

Calculate yarn amounts when changing brands or weights.

📉

Sleeve Decrease

Calculate row intervals for sleeve shaping.

🛌

Universal Blanket Size

Standard sizes & cast-on calculator for knitted blankets.

🧶

Crochet Chain

Calculate starting chains for crochet blankets.

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Sock Sizing

Standard foot measurements for sock knitting.

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Scarf Calculator

Calculate cast-on stitches for any scarf size.

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Granny Square Planner

Plan colors and layout for granny square blankets.

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Yarn Held Together

Calculate the resulting weight when holding 2 strands.

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Yarn Estimator

Estimate yardage needed for any knitting project.