Estimates based on worsted weight yarn. Thinner yarn needs more length; thicker yarn needs less. Always buy an extra skein.
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About Yarn Calc
Yarn Calc was built for the moment you just need to handle this task and move on — no signup, no upload to a third-party server. Processing runs locally in your browser using modern Web APIs. Nothing is uploaded, nothing is logged, and there is no quota to worry about for casual use. Like everything else in the utility collection, it is free, ad-light, and works on mobile as well as desktop.
When you'd reach for Yarn Calc
You need to handle a one-off task right before a meeting and don't have time to install anything.
Anyone working remotely on a borrowed or restricted machine.
Open the page, get the result, paste it into your doc — under a minute.
You're cleaning up a folder of files that accumulated over a project and need to standardize them.
Designers, writers, and developers wrapping up deliverables.
Drop each file in, copy the output, move on.
You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.
Marketers and ops people whose primary tool is metered.
Stay productive without burning credits.
You're on a public or shared machine and don't want to leave traces of what you're working on.
Travelers, contractors, anyone working from a friend's computer.
Nothing is uploaded, nothing persists if you're not signed in.
Frequently asked about Yarn Calc
- Will Yarn Calc change my original file?
- Never. Yarn Calc only reads your input file and produces a new output file.
- Can I use Yarn Calc commercially?
- Yes. The output of Yarn Calc belongs entirely to you, with no licensing restrictions.
- Do I need to create an account to use Yarn Calc?
- No. Yarn Calc works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
- What browsers does Yarn Calc support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Is Yarn Calc really free?
- Yes — Yarn Calc is free for unlimited personal use, with no account required and no watermark on the output.