Crochet tools for thoughtful makers
A good project
starts with
a little planning.
Less guessing at yarn. Fewer surprises at the last row. Work out the numbers, then make it your own.
Open the blanket plannerFree to use · No sign-up · Calculations stay in your browser
Try a colour story, then plan the real thing.
Your making toolkit
Start with the question.
Blanket planner
Choose a size, arrange your colours and see how many squares you need.
02 / Yarn & materialsYarn calculator
Estimate yarn and whole balls from a swatch you have actually made.
03 / Gauge & sizingStitch calculator
Turn a washed swatch into stitch and row counts for your next rectangle.
04 / Quick referenceCrochet converter
Check common hook sizes, US/UK stitch terms and length conversions.
Measure once. Understand why.
The swatch is small.
The difference isn't.
Two makers can use the same hook and yarn and end up with different sizes. A washed, measured swatch gives you a starting point that belongs to your hands.
Learn how to measure your gauge ↗Field notes
Useful answers, thoughtfully explained.
Gauge & sizing
How to measure a crochet gauge swatch
Measure stitches and rows accurately, keep units consistent and use your sample to plan a project that fits.
Read the field note ↗Yarn & materials
How much yarn do you need for a crochet blanket?
Use the area and weight of a real swatch to estimate blanket yarn, then account for joins, borders and whole balls.
Read the field note ↗Layout & colour
How many granny squares make a blanket?
Calculate rows and columns from finished square size, with worked examples for joins and borders.
Read the field note ↗