for your next blanket, cardi or cuddly toy
Buy the right amount of yarn, first time.
Pop in the metres from your pattern and get a proper shopping list: every colour in whole balls, your stash taken off, and the total in pounds with delivery included.
- Free to use
- No sign-up
- Your list stays on your device
Granny square throw
Stylecraft Special DK · 100g balls (295 m) · 4 colours
- Mustard · 820 m3 balls
- Rust · 610 m (1 in stash)
32 balls - Cream · 1,180 m4 balls
- Denim · 440 m2 balls
no more dashing back for one extra ball
- 1Copy the metres from your patternOr yards. Got grams? Convert them first.
- 2Plan each colourTake off what’s already in your stash.
- 3Take your list to the shopWhole balls, packs and postage worked out.
the tools
Calculators for the fiddly bits
All free, no account needed. Whatever you work out ends up on the same shopping list.
Yarn shopping planner
Calculate whole balls or packs for every colour. Subtract your stash and add UK delivery.
Build my list →Compare complete orders
Compare two shop offers for the same yarns, including pack rounding and postage.
Compare two offersUse your leftover yarn
Estimate remaining metres from the yarn’s weight and label, then bring them into your list.
Convert my leftoversExplore colour quantities
See how colour count changes whole-ball purchases, with a chart and downloadable examples.
Explore the numbersDesign a granny square blanket
Lay out the grid, colour each round in Stylecraft Special DK shades and get balls per colour.
Design my blanketPaste a pattern, get the list
AI reads the yarns and colours from your pattern; our calculators turn them into a shopping list.
Read my patternLearn to crochet this winter
12 short lessons in UK terms, from your first slip knot to a granny square, with diagrams and videos.
Start lesson 1Patterns from real designers
Patterns shared by the makers who designed them, each with its yarn list ready. Designer? Share yours free.
Browse patternsUS pattern, UK terms
Paste a US pattern and read it in UK terms, with every changed stitch highlighted.
Convert a patternFind the right hook
The hook UK ball bands recommend for your yarn, in mm, US letters and old UK sizes.
Find my hookPrice your crochet
Yarn, hours and fair or Etsy fees become a price, and any price becomes an hourly rate.
Price my makenew for 2027
Your town’s weather, in balls per colour
Temperature blankets start on 1 January. Pick one of 31 UK places and we’ll turn ten years of real daily highs into colour bands, balls per colour, a preview of your blanket and a printable 2027 tracker.
already know your yarn?
Start from the ball band
16 popular UK yarns with their quantity tables, similar yarns and calculators ready to use. Every figure links back to its source.
Browse the yarn library →short reads, real numbers
Good to know before you buy
- Halloween crochet: yarn per projectFour weekends to Halloween, and what one ball makes.
- How much yarn do I need for a crochet blanket?Yarn quantities from nine published blankets, turned into 100g ball counts for every size in DK and aran.
- What it costs to crochet a blanketYarn cost by blanket size in 23 UK yarns, October 2026.
- Where the granny square came fromThe motif’s history, from archives and museum collections.
- Crochet blanket sizes (UK)Mattress sizes against what designers actually make.
- Double crochet: UK vs USThe full terms chart, and what 29 patterns for UK crocheters use.
your pattern, your colours, your budget
We’ll do the sums. You choose the colours.
Free, no sign-up, and your list is ready in a couple of minutes.
Start my yarn list →free printable
Your 2027 temperature blanket tracker
A page for every month to log the daily high and your colour, plus a colour key. We’ll email it to you.