For crocheters, finding the right tools and resources online can sometimes be a challenge. That’s why I’ve compiled a comprehensive list of the best online crochet calculators, all in one convenient place.

These calculators are invaluable for planning your projects, ensuring accurate measurements, and saving time.

Whether you’re calculating yarn needs, stitch counts, or project dimensions, these tools will make your crochet journey smoother and more enjoyable.

Bookmark this post and return to it whenever you need a reliable crochet calculator at your fingertips!

Find the Best Online Crochet Calculators to answer these questions and more!

How Much Yarn Do I Need to Crochet?

How Many Stitches are in an Inch?

How Do You Calculate Gauge in Crochet?

How Much Should I Charge for the Finished Items I Crochet?

How Much Yarn do I have Left in this Partially Used Ball?

What Yarn Can I Substitute for this Project?

The best online resources for crochet pattern maker graphs and c2c patterns that I know of is StitchFiddle.

Interested in Tapestry Crochet or Graphghans these posts might be helpful too!

Did I miss your calculator is this list? Just let me know.

Top Online Crochet Calculators: Your Ultimate Resource

How Long Will it Take Me to Crochet That Project?

Use this calculator to determine how many hours of time you will need to invest to make a finished crochet project. This can assist you in deciding how much to charge a client for a project because it helps you figure out how many hours of labor you will need to put into it. This calculator is available from Joy of Motion Crochet.

If you have a digital kitchen scale then you can use this handy method to determine how much yarn you have used in your project based on the weight of the finished project. This calculator is available from Joy of Motion Crochet.

Joy of Motion has a number of helpful calculators available on her site. This calculator will help you determine how much yarn you used based on the length of your stitches.

This scarf calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This cowl calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This bottom-up hat calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This top-down hat calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This beret calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This fingerless mitt calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This mitten calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This glove calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This cuff-down sock calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

This toe-up sock calculator is available from Storey. The calculator was developed in conjunction with one of their publications called “Design Your Own Crochet Projects”.

You can convert the weight of the yarn from oz to grams, or grams to oz; find out if you have enough yarn to make your project and find out how much yarn you need to buy for your project. This calculator is available from Crochet World.

If you want to make a project that will be felted, this calculator will help you figure out before felting measurements of your project. This calculator is available from The Crochet Crowd.

This calculator will help you determine how many yards of a different kind of yarn you will need to make a project. This calculator is available from The Crochet Crowd.

This calculator will help you determine how many balls of each color of yarn you will need for your granny square afghan. This calculator is available from The Crochet Crowd.

Find out how many chains you need to start your project with the crochet stitch multiple calculator. This calculator is available from Stardust Gold Crochet.

This calculator will give you the finished size of your corner to corner blanket based on your own personal gauge. It requires you making a small stitch sample but it will help you figure out how large your blanket will when following a graph.

This handy little calculator lets you determine how much to charge a customer for a finished crochet item. You can use the Etsy fees version or the PayPal version. If you use PayPal it lets you change the transaction fee and fixed fee – so if you are accepting cash you can always set those to $0.00.

The Crochet Crowd provides a handy afghan size calculator that will help you decide the number of starting chains you will need to make any blanket size.

I love StitchFiddle and all the tools it includes. This calculator will help you if you are working from a chart or creating a chart – to decide how large it should be for the finished project size you want to make.

Find out where to place your increases, or decreases within your project. This takes the math out of adding 10 stitches in a round by telling you when you would increase to make those additional stitches evenly spaced. This calculator is available from Joy of Motion Crochet.

If you had to use a different hook than the one recommended in the pattern in order to reach the gauge specified in the pattern and the pattern uses a second crochet hook, this calculator will help you decide which hook to substitute for that second hook. This calculator is available from Crochet Brain.

This color generator helps you decide where to place your different yarn colors for your crochet projects. This calculator is available from Biscuits and Jam.

This Granny Squares Color Generator helps you make your color combinations spread out more evenly across your project. This calculator is available from Melissa Avery-Weir.

The Yarn Sub Calculator is a great tool to use to figure out what other yarn options are available for your projects. Possible yarn substitutions are provided based on the yarn name you input.

I hope this collection of the best online crochet calculators becomes a go-to resource for your crafting needs. By having these tools readily accessible, you can streamline your project planning and focus more on the joy of crocheting. Save this post for future reference and share it with fellow crocheters who might find it useful.

Happy crocheting, and may your projects be beautifully precise and wonderfully creative!

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I second that. I have yarn laying around that I want to use, but don’t know how much is needed for another project. Thanks much.

Very welcome Michelle ðŸ™‚

This is the greatest post! I would never have been able to find some of these links and you listed some I didnâ€™t even know I needed! Thank you!

These calculators will be so helpful! Thank you!