Yarn for a Blanket Calculator
How many skeins of yarn a knit or crochet blanket needs, from preemie to king.
127 cm
152.4 cm
The number in the yarn ball symbol on the label.
Label yardages for solid colors; multis and ombres can differ.
Estimates assume the gauge printed on the yarn label. Loose tension, textured stitches, cables and fringe can push real use 20% higher; tight tension can bring it lower. Weigh a swatch for a precise number.
About the Yarn for a Blanket Calculator
How many skeins of yarn for a blanket comes down to three things: the blanket's area, how thick the yarn is, and whether you knit or crochet. Crochet eats roughly 25 to 33% more yarn than knitting the same area. Pick a Craft Yarn Council size from preemie to king or type your own, choose knit or crochet and your stitch, set the yarn weight, and pick a brand like Red Heart Super Saver or Bernat Blanket. You get total yards and meters, skeins to buy rounded up, and grams. For a precise number, switch to swatch mode and weigh a small square.
How many skeins of yarn for a blanket: the short answer
A 50″ × 60″ throw takes about 2,100 yards knit or 2,600 yards crocheted in worsted weight, and about 1,000 to 1,300 yards in super bulky blanket yarn. Divide by the yards on your skein label and round up. With 364-yard Red Heart Super Saver that is 6 skeins to knit a throw or 8 to crochet one. Thicker yarn needs fewer yards because each stitch covers more fabric; crochet needs roughly 25 to 33% more than knitting.
Skeins by blanket size and yarn weight
The table assumes 200-yard skeins and a 10% buffer. Each cell shows knit stockinette / crochet double crochet. Sizes follow the Craft Yarn Council's standard blanket chart. If your skein has a different yardage, use the calculator above or scale the numbers: a 364-yard skein covers 1.82 of these skeins.
| Blanket (in) | 2 Fine | 3 Light / DK | 4 Worsted | 5 Bulky | 6 Super bulky | 7 Jumbo |
|---|---|---|---|---|---|---|
| Preemie 18 × 24 | 3 / 3 | 2 / 3 | 2 / 2 | 2 / 2 | 1 / 1 | 1 / 1 |
| Stroller 30 × 35 | 5 / 7 | 5 / 6 | 4 / 5 | 3 / 4 | 2 / 3 | 1 / 2 |
| Lapghan 36 × 48 | 9 / 11 | 8 / 10 | 6 / 8 | 5 / 6 | 3 / 4 | 2 / 3 |
| Receiving 40 × 40 | 8 / 10 | 7 / 9 | 6 / 7 | 5 / 6 | 3 / 4 | 2 / 2 |
| Crib 45 × 60 | 13 / 16 | 12 / 15 | 10 / 12 | 7 / 9 | 5 / 6 | 3 / 4 |
| Throw 50 × 60 | 15 / 18 | 13 / 17 | 11 / 13 | 8 / 10 | 6 / 7 | 3 / 4 |
| Twin 66 × 90 | 28 / 35 | 26 / 32 | 21 / 26 | 16 / 20 | 11 / 13 | 6 / 7 |
| Full 80 × 90 | 34 / 43 | 31 / 39 | 25 / 32 | 19 / 24 | 13 / 16 | 7 / 9 |
| Queen 90 × 100 | 43 / 53 | 39 / 49 | 32 / 39 | 24 / 30 | 16 / 20 | 9 / 11 |
| King 108 × 100 | 51 / 64 | 47 / 58 | 38 / 47 | 28 / 35 | 19 / 24 | 11 / 13 |
The yardage model
The calculator multiplies the blanket's area by a yards-per-square-inch rate for the yarn weight, then by a stitch factor, then adds the buffer. The rates come from knitting geometry: in relaxed stockinette, loop length and stitch density are linked by near-constant ratios (Munden's constants), which works out to roughly yards per square inch ≈ stitches per inch ÷ 7.2. Stitches per inch are taken from the middle of the Craft Yarn Council's standard gauge range for each weight.
| CYC weight | Knit yd / sq in | Crochet dc yd / sq in | 50 × 60 throw, knit | 50 × 60 throw, crochet |
|---|---|---|---|---|
| 0 Lace | 1.15 | 1.44 | 3,795 yd | 4,744 yd |
| 1 Super fine | 1.02 | 1.28 | 3,366 yd | 4,208 yd |
| 2 Fine | 0.85 | 1.06 | 2,805 yd | 3,506 yd |
| 3 Light | 0.78 | 0.98 | 2,574 yd | 3,218 yd |
| 4 Medium | 0.63 | 0.79 | 2,079 yd | 2,599 yd |
| 5 Bulky | 0.47 | 0.59 | 1,551 yd | 1,939 yd |
| 6 Super bulky | 0.31 | 0.39 | 1,023 yd | 1,279 yd |
| 7 Jumbo | 0.17 | 0.21 | 561 yd | 701 yd |
Throw totals include the 10% buffer. Stitch factors: stockinette 1.00, garter 1.15, seed or moss 1.20, double crochet and granny 1.25, half double crochet 1.30, single crochet 1.33.
Expect about ±20% variance. Two people using the same yarn and hook can differ by a full skein on a throw. Loose tension, bobbles, cables, puff stitches, fringe and a wide border all push use higher. Treat the quick estimate as a shopping list, and use the swatch method below when you want to be sure.
The swatch-weigh method (most accurate)
- Work a swatch at least 6″ × 6″ in your real yarn, hook or needles, and stitch pattern.
- Block it the way you will block the blanket, then measure it.
- Weigh it on a kitchen or jewelry scale, ideally to 0.1 g.
- Find the yarn's yards per gram: skein yards ÷ skein grams from the label. Red Heart Super Saver is 364 ÷ 198 = 1.84 yd/g.
- Blanket grams = (blanket area ÷ swatch area) × swatch grams. Multiply by yards per gram, add your buffer, and divide by skein yards.
Example: a 6″ × 6″ double crochet swatch weighs 15 g. A 50″ × 60″ throw is 3,000 sq in, or 83.3 swatches, so it needs 1,250 g of fabric. That is 2,298 yards, or 2,528 yards with a 10% buffer: 7 skeins of Super Saver. Weighing beats counting because it captures your own tension and stitch pattern.
Worked example: a crochet throw in Red Heart Super Saver
- Size: throw, 50″ × 60″ = 3,000 square inches.
- Yarn: Red Heart Super Saver, weight 4 worsted, 364 yd per 198 g skein. Base rate 0.63 yd per sq in.
- Stitch: double crochet, factor 1.25. 3,000 × 0.63 × 1.25 = 2,362.5 yards.
- Buffer: 10% → 2,599 yards, or about 2,376 meters.
- Skeins: 2,599 ÷ 364 = 7.14, rounded up to 8 skeins, about 1,414 g of yarn.
Buy all 8 from the same dye lot. If you are short at the end, a different lot often shows as a visible stripe, so one spare skein is cheaper than a mismatched row.
How to use the Yarn for a Blanket Calculator
- 01Tap a standard blanket size (preemie 18×24 up to king 108×100) or type your own width and length in inches.
- 02Choose knit or crochet, your main stitch, and the yarn weight number from the label (0 lace to 7 jumbo).
- 03Pick a yarn preset or type the yards and grams per skein, and keep the 10% buffer unless you like cutting it close.
- 04Read skeins to buy, total yards and meters, and grams. For the most accurate answer, open the swatch tab, weigh a blocked swatch and enter its size and grams.
Frequently asked questions
How many skeins of yarn for a crochet blanket?
A 50″ × 60″ throw in worsted weight double crochet needs about 2,599 yards with a 10% buffer, which is 8 skeins of Red Heart Super Saver (364 yd). In single crochet it is about 2,765 yards, still 8 skeins. A 66″ × 90″ twin in double crochet takes about 5,146 yards, or 15 skeins.
How many skeins of Bernat Blanket yarn do I need?
Bernat Blanket is super bulky with 220 yards per 300 g ball. A 50″ × 60″ throw needs about 5 balls knit in stockinette or 6 in double crochet. A 45″ × 60″ crib blanket needs 5 knit or 6 crochet, a 66″ × 90″ twin 10 or 12, and a 90″ × 100″ queen 14 or 18.
How many skeins of chunky yarn for a blanket?
For a 50″ × 60″ throw in bulky (weight 5) yarn with 200-yard skeins, plan on 8 skeins knit or 10 crocheted. In super bulky Lion Brand Wool-Ease Thick & Quick (106 yd) the same throw takes about 10 skeins knit or 13 in double crochet, because each skein is short.
How many skeins of yarn for a throw blanket in worsted weight?
A 50″ × 60″ worsted throw uses about 2,079 yards knit in stockinette or 2,599 yards in double crochet, both with a 10% buffer. With 364-yard Red Heart Super Saver that is 6 skeins knit or 8 crocheted. With 170-yard Vanna's Choice it is 13 or 16 skeins.
How many skeins for a baby blanket?
A 40″ × 40″ receiving blanket in worsted weight takes about 1,109 yards knit or 1,386 yards crocheted in double crochet, which is 4 skeins of Red Heart Super Saver either way. A smaller 30″ × 35″ stroller blanket in DK needs about 900 yards knit.
Why do crochet blankets use more yarn than knit ones?
Each crochet stitch stacks several loops of yarn on top of each other, so the fabric is thicker and uses roughly 25 to 33% more yarn than knitting the same area. This calculator applies 1.25× for double crochet and granny squares, 1.30× for half double and 1.33× for single crochet.