# How do I calculate how much yarn I need to cast on?

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Take your needle, start with the very end of your yarn, and wrap the yarn around as many times as the stitch count of your pattern. So, if your pattern requires you to cast on 50 stitches, wrap the yarn around the needle 50 times. Unravel it again, and that’s how much yarn you will need for the long tail cast on.

## How do you calculate cast on stitches?

The Stitches to Cast-On = (dW x S/W). Divide Stitches counted in swatch by swatch Width measured. Multiply by Desired Width. So for the example for the above you will take your 4×4 measured area.

## How many inches do you cast on?

Convert to inches (1” per 2.54cm) and you’ve got roughly 10” minimum for the tail to cast on. Add a few more inches so that you’ll have yarn to hold on to at the end; four to five inches should do it.

## How many stitches do I need to cast on for a blanket?

If you want a medium sized blanket, then try casting on 120 stitches. For a large lap blanket, cast on 160 stitches. For an extra-large lap blanket, cast on 200 stitches.

## How do you measure yarn?

Yarn thickness is measured using something called WPI, which stands for Wraps Per Inch. The idea is you wrap your yarn around a gap measuring 1 inch, and count how many strands you can fit in.

## How much yarn do you need?

Yarn Weight Category Stitches per Inch Yards Needed for an Adult Sweater
2 Fine 6 to 7 1,200 to 2,500
3 Light 5 to 6 1,000 to 2,000
4 Medium 4 to 5 800 to 1,500
5 Bulky 3 to 4 600 to 1,200

## How many balls of yarn do I need for a blanket?

Crunch those numbers, and know that you’ll have about 340 feet of chunky yarn in a single ball to yield a 30” x 50” blanket. The calculations will vary slightly based on whether you are purchasing a “super bulky” (6) or “jumbo” (7) yarn.

## How many yards of yarn do I need for a blanket?

How much yarn do I need to make a ____?

Yarn Weight 1 Yarn Weight 3
Shawl 550-850 Yards 400-625 Yards
Adult Sweater 3375 Yards 1500-2250 Yards
Baby Blanket 1500-1625 Yards 1125-1250 Yards
Afghan 3750-4125 Yards 3000-3500 Yards

## How much yarn does it take to knit a blanket?

“The amount of yarn you need really depends on your project and how thick your yarn is. For example, a good size blanket takes about 225 yards of yarn,” Weil says. “If you are making that with four strands of super bulky yarn, you would need 900 yards total.

## How do I know how much yarn I need to crochet a blanket?

To find out the total amount of yarn you’ll use for your project, multiply the number of stitches in your pattern by the number of inches each stitch uses.

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## How many yards are in a ball of yarn?

Look at the yarn label to see how many yards are in 1 ball. In this example, we’ll say that each ball has 200 yards. Take the total number of yards you’ll need (1350) and divide that by the number of yards in each ball (200). 1350/200 = 6.75 balls.

## How long is 50g of yarn?

Yards in 50 grams

But you can expect on average, 50 grams of yarn will be about 80-200 yards depending on the thickness of the yarn. Thicker yarn will have fewer yards per 50 grams, and thinner yarn will have more yards.