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The Crochet Crowd

Home » Yarn Calculators

October 25, 2023

Calculating Swaps: Yarn Yardage Tool

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Yarn Substitution Calculator
Yarn Substitution Calculator

How Much Yarn Will You Need?

Many crocheters substitute yarns all the time but are unsure how to calculate it.

For this calculator, you need to know the following to enter into the spots:

  • On the pattern How many balls of yarn does it require? Separate by colour if you have multiple colours and do the calculator for each colour.  
  • The pattern tells you which yarn to use. Tell me how many yards are on that recommended ball. If you don't know that, find the yarn makers website and look up the yarn. Most makers of yarn have that information published.
  • Now, look at the ball that you want to change the yarn too. Tell me how many yards are on that ball?

Yarn Calculator

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More Yarn Calculators

  • What Are The Standard Crochet Blanket Sizes?
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  • Yards In Yarn Ball Calculator

Filed Under: Red Heart Super Saver Yarn Patterns, Yarn Calculators

Reader Interactions

Comments

  1. Elleena says

    November 07, 2020 at 2:21 pm

    I want to make large doilies using a discontinued yarn called Aunt Lydia's Denim. But doily patterns are mostly thread. Will I have to add or subtract stitches if I use those patterns with this larger ply cotton.

    Reply
    • Mikey says

      November 08, 2020 at 11:22 am

      Not usually. As long as the hook size matches the recommended yarn size. You will know in a few rounds if it won't work.

      Reply
  2. Melanie says

    October 29, 2020 at 3:45 pm

    Does this calculator work if I wanted to substitute a medium weight yarn in place of a bulky/chunky yarn in a pattern? Many of the blanket/afghan patterns I like use chunkier weights, but I prefer to use a medium yarn as I am still new to crocheting and find it easier to work with.

    Reply
    • Mikey says

      October 30, 2020 at 9:33 am

      I don't think so. I'm trying to think how the mathematical calculation can be done like that.

      Reply
  3. Geetha Venkat says

    May 24, 2020 at 11:38 am

    Hi Mikey,
    I am following your puffy baby blanket pattern and 10.5 Oz of bernat baby blanket yarn to make a full size blanket. Can you please let me know the number of chains required and the amount of yarn?
    Thank you for your time and assistance. I really like the puffy baby blanket pattern

    Reply
    • Mikey says

      June 03, 2020 at 10:11 pm

      Evening Geetha, I don't know the amount of yarn you would need because I haven't made a blanket like that with that yarn in a larger size. Usually, full-size blankets are using 100 - 120 chains across.

      Reply
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