Crochet Tools & Reference Suite
Handy, practical helpers for your yarn stash, pricing, sizing, and blanket projects. Built to save you time, yarn, and unravelling.
Yarn & Yardage Calculator
Figure out how much yarn you'll need for blankets, garments, scarves, or home projects before buying your skeins.
Helpful Maker Notes
- Match Your Dye Lots: Check the lot numbers on your skein labels so you don't end up with subtle color variations halfway through.
- Personal Tension: Crocheting loosely eats up more yarn; if your hand is relaxed, consider grabbing one extra skein to be safe.
- Swatch When in Doubt: Making a quick 4×4 inch swatch is the surest way to confirm how much yarn your specific hook and stitch consume.
Crochet Pricing & Profit Calculator
Price your handmade crochet pieces with confidence. Cover your actual yarn costs, pay yourself a fair hourly wage, and build real business profit.
Pricing Breakdown & Maker Truths
- Labor Value: $82.50 (5.5 hrs at $15.00/hr)
- Materials & Packaging: $22.50
- Handmade Cannot Be Replicated: Unlike factory knitwear, true crochet cannot be made by commercial machines. Every loop was created by hand; never feel guilty charging for your skill.
Digital Row & Stitch Counter
Never lose your place again. Keep this tab open while you crochet. Your count is automatically saved in your browser.
Hook Sizes & Stitch Translator
Easily look up metric millimeter sizes, US letters, UK vintage numbers, and translate between US and UK stitch names.
Crochet Hook Size Comparison Chart
Type in the box to quickly find your hook size or recommended yarn weight:
| Metric (mm) | US Letter / Number | UK / Canada | Common Yarn Weight |
|---|---|---|---|
| 2.00 mm | - | 14 | 0 - Lace / Thread |
| 2.25 mm | B-1 | 13 | 1 - Super Fine / Fingering |
| 2.50 mm | - | 12 | 1 - Super Fine / Sock |
| 2.75 mm | C-2 | - | 2 - Fine / Sport |
| 3.00 mm | - | 11 | 2 - Fine / Sport |
| 3.25 mm | D-3 | 10 | 3 - Light / DK |
| 3.50 mm | E-4 | 9 | 3 - Light / DK |
| 3.75 mm | F-5 | - | 3 - Light / DK |
| 4.00 mm | G-6 | 8 | 4 - Medium / Worsted |
| 4.50 mm | 7 | 7 | 4 - Medium / Worsted |
| 5.00 mm | H-8 | 6 | 4 - Medium / Worsted / Aran |
| 5.50 mm | I-9 | 5 | 5 - Bulky / Chunky |
| 6.00 mm | J-10 | 4 | 5 - Bulky / Chunky |
| 6.50 mm | K-10.5 | 3 | 5 - Bulky |
| 7.00 mm | - | 2 | 5 - Bulky |
| 8.00 mm | L-11 | 0 | 6 - Super Bulky |
| 9.00 mm | M/N-13 | 00 | 6 - Super Bulky |
| 10.00 mm | N/P-15 | 000 | 6 - Super Bulky |
| 12.00 mm | - | - | 7 - Jumbo |
| 15.00 mm | P/Q | - | 7 - Jumbo |
| 19.00 mm | S | - | 7 - Jumbo |
US vs. UK Stitch Terminology
US and UK patterns use the same terms for completely different stitches. Keep this reference handy whenever working from an international pattern:
| US Term | UK Equivalent | How to Work the Stitch |
|---|---|---|
| Slip Stitch (sl st) | Slip Stitch (ss) | Insert hook, yarn over, pull through both stitch and loop on hook. |
| Single Crochet (sc) | Double Crochet (dc) | Insert hook, yarn over, pull up loop, yarn over, pull through 2 loops. |
| Half Double Crochet (hdc) | Half Treble Crochet (htr) | Yarn over, insert hook, yarn over, pull up loop, yarn over, pull through all 3 loops. |
| Double Crochet (dc) | Treble Crochet (tr) | Yarn over, insert hook, yarn over, pull up loop, [yarn over, pull through 2] twice. |
| Treble / Triple Crochet (tr) | Double Treble Crochet (dtr) | Yarn over twice, insert hook, pull up loop, [yarn over, pull through 2] 3 times. |
| Double Treble (dtr) | Triple Treble Crochet (ttr) | Yarn over 3 times, insert hook, pull up loop, [yarn over, pull through 2] 4 times. |
| Yarn Over (yo) | Yarn Over Hook (yoh) | Wrap the working yarn over the hook. |
| Gauge | Tension | Number of stitches and rows per inch / 10 cm. |
| Skip (sk) | Miss | Bypass the indicated stitch and work into the next. |
Crochet Hat Sizing & Crown Diameter Guide
Know exactly when to stop increasing when crocheting top-down beanies, slouchy hats, and baby caps.
Top-Down Beanie Rule of Thumb
- Why the circle is smaller than the head: Crochet stitches stretch naturally. Hats require 1 to 2 inches of negative ease to stay comfortably on the head without slipping down.
- The Math Behind It: Crown Diameter = (Head Circumference − Negative Ease) ÷ 3.14 (π).
Granny Square Blanket Planner
Plan out your blanket layout, calculate the exact number of squares to crochet, and see the grid arrangement before you join.
Corner-to-Corner (C2C) Graphgan Sizer
Determine the final blanket dimensions and total tile counts from any pixel graph or pixel art chart.
C2C Crocheter Tip
- Bobbins vs. Intarsia: For color-heavy pixel graphs, wind small yarn bobbins instead of carrying yarn across rows to avoid messy floats behind your work.
- Gauge Swatch: Work a quick 5×5 diagonal swatch to measure your exact tile width before starting a large graphgan.