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Amigurumi size calculator
An amigurumi's size comes from its widest round and the yarn. In worsted yarn on a 3.5 mm hook, a piece with 36 stitches at its widest is about 7.1 cm (2.8 in) across once stuffed. Enter your widest round and yarn to see the size in every yarn weight, or enter the size you want and get a complete ball pattern, round by round.
About this wide, stuffed7.1 cm (2.8 in)
About this tall5.9–8.1 cm
The same piece in other yarns
| Yarn | Width |
|---|---|
| 0 Lace | 4.1 cm |
| 1 Super fine (fingering) | 4.8 cm |
| 2 Fine (sport) | 5.7 cm |
| 3 Light (DK) | 6.4 cm |
| 4 Medium (worsted) | 7.1 cm |
| 5 Bulky (chunky) | 9.2 cm |
| 6 Super bulky | 12 cm |
| 7 Jumbo | 14.9 cm |
Estimates for tight amigurumi fabric on the usual smaller hook. Firm stuffing adds a little; loose tension adds more.
Worked example: a 7 cm ball in worsted yarn
Sizes use the same stitch sizes as our 3D builds (single crochet in worsted on a 3.5–4 mm hook is about 0.62 cm wide), scaled for each yarn weight. Your tension changes the result, so treat it as a close estimate.
Want a whole toy rather than a ball? Browse free amigurumi patterns or design your own in the Designer.
Questions
How big will my amigurumi be?
It depends on the widest round and your yarn. A ball with 36 stitches at its widest, in worsted yarn on a 3.5 mm hook, is about 7.1 cm (2.8 in) across once stuffed. The same pattern in chunky yarn is about 9.2 cm.
How do I make an amigurumi bigger or smaller?
Keep the pattern and change the yarn and hook: thicker yarn with a bigger hook makes the whole toy bigger in proportion. The table under the result shows the size in every yarn weight.
How many stitches for a ball of a certain size?
Start with 6 in a magic ring and increase by 6 each round until the round is wide enough, work straight for about as many rounds as you increased, then decrease the same way. For a 7.1 cm ball in worsted that is 36 stitches at the widest and 16 rounds; the generator writes every round.
Why are amigurumi stitches so tight?
Amigurumi uses a hook one or two sizes smaller than the yarn label so the stuffing doesn't show through. The sizes here assume that tight fabric.
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Every number here is an estimate worked out in your browser; nothing you type is sent anywhere. Yarn use changes with your stitch pattern, tension and fibre, so swatch first and buy from one dye lot. Check your whole pattern before you start.