Crochet Circle Calculator

Choose a standard blanket size, or Custom to enter your own dimensions.
Used for circles, spheres and hats instead of width and length.
The width the stitch count was measured over, in the unit selected above. Usually 4 inches or 10 cm.
From the ball band. Leave at 0 to use the typical figure for the yarn weight.
The most accurate way to estimate yarn: unravel and measure the swatch. Leave at 0 to estimate from the yarn weight instead.
Yarn needed
20.7 yards
Crochet and Knitting Yarn Calculator
Stitches to chain or cast on
132
Rows to work
12
Total stitches in the project
858
Yarn needed
19 metres
Yarn needed
10.4 grams
Skeins to buy
1
Finished width
40
Finished length
50
Finished area
113.1
Stitches per unit of width
3.5
Rows per unit of length
2
Recommended hook size
5.5 to 6.5 mm
Worked out from Craft Yarn Council, Standard Yarn Weight System and 2 other sources.
Yarn estimated from the yarn-weight category rather than a measured swatch. For an accurate figure, work a gauge swatch, unravel it and measure the yarn it used.

How this is worked out

5 steps
  1. Gauge: 14 stitches and 8 rows over 4 in, so 3.5 stitches and 2 rows per in.
  2. Work 12 rounds to reach a 12 in diameter, ending at 132 stitches around.
  3. Estimated from stitch count and yarn weight: about 19 yards before allowance.
  4. Adding 10% gives 21 yards.
  5. At 200 yards a skein, buy 1 skeins.
Circle increase plantable
roundstitchesincreases
11111
22211
33311
44411
55511
66611
77711
88811
99911
1011011
1112111
1213211

Results are general information, not financial, tax, legal, medical or engineering advice.