Calculate yarn length from grams or ounces, derive yards per gram from label info, and estimate skeins needed with unit conversions.

Grams to Yards Yarn Calculator

Enter yarn label details or a known yards-per-gram value, then calculate.

Grams to Yards
Label Rate
Skeins Needed
Conversions

Yarn Length from Weight

Leave blank to calculate the rate from the label fields below.

Length Per Weight from Yarn Label

Skeins Needed for a Pattern

Unit Conversions

Grams ↔ Yards Yarn Conversion (Worsted/Aran, 2 yd/g)
Grams to Yards Yards to Grams
25 g = 50 yd80 yd = 40 g
50 g = 100 yd120 yd = 60 g
75 g = 150 yd160 yd = 80 g
100 g = 200 yd200 yd = 100 g
125 g = 250 yd240 yd = 120 g
150 g = 300 yd320 yd = 160 g
200 g = 400 yd360 yd = 180 g
250 g = 500 yd450 yd = 225 g
300 g = 600 yd600 yd = 300 g
350 g = 700 yd700 yd = 350 g
400 g = 800 yd900 yd = 450 g
500 g = 1,000 yd1,200 yd = 600 g
Formula (brief): yd = g × (yd/g) and g = yd ÷ (yd/g). This table uses 2 yd/g.
Grams ↔ Yards Yarn Conversion (Fingering/Sock, 4 yd/g)
Grams to Yards Yards to Grams
25 g = 100 yd150 yd = 37.5 g
50 g = 200 yd250 yd = 62.5 g
100 g = 400 yd350 yd = 87.5 g
150 g = 600 yd450 yd = 112.5 g
200 g = 800 yd550 yd = 137.5 g
250 g = 1,000 yd650 yd = 162.5 g
300 g = 1,200 yd900 yd = 225 g
400 g = 1,600 yd1,200 yd = 300 g
Formula (brief): yd = g × (yd/g) and g = yd ÷ (yd/g). This table uses 4 yd/g.

Related Calculators

Grams To Yards Yarn Formula

The following formula is used to calculate the conversion from grams to yards for yarn.

Y = (G * C) 

Variables:

  • Y is the length of the yarn in yards
  • G is the weight of the yarn in grams
  • C is the conversion factor specific to the type or brand of yarn (yards/gram)

To calculate the length of the yarn in yards, multiply the weight of the yarn in grams by the conversion factor specific to the type or brand of yarn. The conversion factor represents the number of yards per gram for the specific type or brand of yarn.

What is Grams To Yards Yarn?

Grams to Yards Yarn is a conversion used in knitting or crocheting to determine how much yarn is needed for a project. The weight of the yarn is often given in grams, while the length is given in yards. Therefore, knowing the conversion from grams to yards can help a crafter understand how much yarn they have or need. This conversion can vary based on the thickness or density of the yarn, so it's often specific to the type or brand of yarn being used.

How to Calculate Grams To Yards Yarn?

The following steps outline how to calculate the Grams To Yards Yarn.


  1. First, determine the weight of the yarn in grams (G).
  2. Next, determine the conversion factor specific to the type or brand of yarn (C) (yards/gram).
  3. Next, gather the formula from above = Y = (G * C).
  4. Finally, calculate the length of the yarn in yards (Y).
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

weight of the yarn in grams (G) = 50

conversion factor specific to the type or brand of yarn (C) (yards/gram) = 0.1