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Crochet Tools & Calculators

Plan projects with confidence, calculate yarn, price your handmade work, and play with colors. All free, always.

A crocheted teddy bear beside its generated crochet color chart
★ Featured Tool

Photo to Crochet Chart Generator

Upload any photo and we’ll turn it into a detailed, printable crochet graph chart. Customize colors, stitch types, and get a full pattern with yarn suggestions and yardage.

Graph Charts Yarn Suggestions C2C, Tapestry & More Export PDF & PNG
Create Chart from Photo

Free · no account required · your photo never leaves your browser

Crochet Essentials

The everyday calculators: yardage, sizing, pricing, and color planning.

Yarn Calculator

Calculate exactly how much yarn you need for any project — with a swatch mode for perfect accuracy.

Most PopularAny Project Size
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Pricing Calculator

Price your handmade items with confidence and cover all your costs — materials, labor, and fees.

Know Your WorthEtsy & Craft Fairs
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Blanket Size Calculator

Find the perfect size for baby blankets to king-size beds, with starting chains and yardage.

Standard SizesYardage Estimator
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Hook Size & Yarn Weight Chart

Complete guide to hook sizes, yarn weights, and conversions — with an instant US/UK/mm converter.

US · UK · mmQuick Reference
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Granny Square Color Generator

Generate beautiful color palettes and layout ideas for your granny square blanket in seconds.

8 Color Palettes6 Layouts
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Increase & Decrease Calculator

Plan stitch increases and decreases evenly across any row, with visual guides and pattern notation.

AmigurumiGarments
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Scrap Yarn Project Finder

Enter your leftover yardage and find patterns you can actually finish with the yarn you have.

Bust Your StashFilter by Weight
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Photo to Pattern

Turn your own photos into patterns for rug and canvas crafts — same engine, four crafts.

Latch Hook Pattern Maker

Turn any photo into a numbered latch hook chart with canvas presets and yarn pack counts.

Numbered ChartsAny Device
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Punch Needle Pattern Maker

Photos into punch needle patterns with mirror mode and true-size printing for your hoop.

Mirror ModeTrue-Size Print
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Rug Tufting Pattern Maker

Convert photos into tufting patterns with mirrored output, projector mode, and yarn estimates.

Projector ModeYarn Estimates
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Name Blanket Generator

Type a name, get a crochet letter chart — C2C and graphghan ready, with counts and yardage.

Baby GiftsC2C Ready
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Machine & Loom Knitting

For Sentro and Addi machines, punch-card machines, and round or long looms.

Sentro Pattern Generator

Patterns for 22, 40, and 48-needle machines: stripes, photo colorwork, and row counting.

22 · 40 · 48 NeedlePhoto Colorwork
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Punch Card Generator

Design 24-stitch punch cards in your browser with a fabric preview and true-scale printing.

24-Stitch StandardTrue-Scale Print
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Circular Machine Pattern Maker

Tile fair-isle motifs around any circular machine — Sentro, Addi Express, and Jamit.

10–100 NeedlesMotif Editor
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Loom Knitting Pattern Generator

Hats, scarves, and blanket panels for round and long looms with step-by-step patterns.

Round & Long LoomsPrintable
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Round Loom Hat Size Calculator

Head size to loom size in one click: pegs, rows before crown, and brim math for every age.

Instant AnswerPreemie to Adult XL
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Macramé

Knot with confidence — never run out of cord mid-project again.

Macramé Cord Calculator

How much cord do you need? Project presets, knot density, fold math, and a built-in safety buffer.

Project PresetsSafety Buffer
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Made by Crocheters, for Crocheters Thoughtfully designed tools to make your crochet journey easier and more joyful.
Happy Crocheting! ♡

Put it to work with a real pattern

Beginner-friendly PDF patterns from the LTK Cuties shop:

Meadow Mug Cozy  ·  Meadow Market Tote  ·  The Meadow Square

Browse all 120+ patterns →