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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