Rex says
Everyday utility math — the kind you'd otherwise pull up four browser tabs for. I keep it to one clean answer.
Try a scenario
Click to load — tweak from there.Inputs
Result
Skeins to buy
2
Yardage needed
241
Yarn cost
$26.00
Total stitches
21,560
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter finished width (in).
- 2Enter finished length (in).
- 3Enter stitches per inch.
- 4Enter rows per inch.
- 5Enter yarn per stitch (in).
- 6Enter yards per skein.
- 7Enter cost per skein ($).
- 8Enter safety margin (%).
- 9Read your skeins to buy on the right — it updates as you type.
- 10Hit Share to keep the scenario or send it to someone.
About this calculator
Estimate yardage from finished dimensions and gauge, then convert into skeins and cost with a safety margin.
Worked example
Using the values the calculator loads with:
Inputs
- Finished width: 22 in
- Finished length: 28 in
- Stitches per inch: 5
- Rows per inch: 7
- Yarn per stitch: 0.35 in
- Yards per skein: 220
- Cost per skein: 13 $
- Safety margin: 15 %
Results
- Skeins to buy: 2
- Yardage needed: 241
- Yarn cost: $26.00
- Total stitches: 21,560
What each field means
Inputs
- Finished width (in)
- The finished width used in the calculation, measured in in. Starts at 22 in so you have a working example on load.
- Finished length (in)
- The finished length used in the calculation, measured in in. Starts at 28 in so you have a working example on load.
- Stitches per inch
- The stitches per inch used in the calculation. Starts at 5 so you have a working example on load.
- Rows per inch
- The rows per inch used in the calculation. Starts at 7 so you have a working example on load.
- Yarn per stitch (in)
- The yarn per stitch used in the calculation, measured in in. Starts at 0.35 in so you have a working example on load.
- Yards per skein
- The yards per skein used in the calculation. Starts at 220 so you have a working example on load.
- Cost per skein ($)
- The cost per skein used in the calculation, measured in $. Starts at 13 $ so you have a working example on load.
- Safety margin (%)
- The safety margin used in the calculation, measured in %. Starts at 15 % so you have a working example on load.
Results
- Skeins to buy
- Returned as a whole number and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Yardage needed
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Yarn cost
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total stitches
- Returned as a whole number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the knitting yarn yardage calculator work?
Estimate yardage from finished dimensions and gauge, then convert into skeins and cost with a safety margin.
What do I need to enter?
8 values: finished width, finished length, stitches per inch, rows per inch, yarn per stitch, yards per skein, cost per skein, and safety margin. Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the skeins to buy result mean?
It is returned as a whole number and updates live as you edit the inputs, so you can compare two or three versions of a scenario in a few seconds.
Is this calculator free, and do I need an account?
Yes, it's free, and no account is required. Nothing you type is stored on our servers — the maths runs entirely in your browser.
How accurate is the result?
It applies the standard formula exactly, so the arithmetic is precise. Estimates assume standard, average conditions — local rules, pricing, and materials vary.
Who is this tool for?
It's built for anyone doing everyday planning maths — a quick estimate that would otherwise need four browser tabs and a calculator app.
Accuracy and limitations
- Estimates assume standard, average conditions — local rules, pricing, and materials vary.
- Results are rounded for readability; add a buffer before ordering, booking, or committing.
- Double-check anything with a real cost attached against a local quote.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Knitting Yarn Yardage Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/knitting-yarn-yardage
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/knitting-yarn-yardage" target="_blank" rel="noopener">Knitting Yarn Yardage Calculator — RevenueLab</a> (2026).</p>
Source: [Knitting Yarn Yardage Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/knitting-yarn-yardage) (2026).