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r/WhatIsThisYarn↗

A community for identifying unknown yarn. Got unlabeled mill ends? Were you gifted yarn? Lose a label? Post it here and find some answers.

8.6k subscribers77 posts / mo in Sep 202675 authors / mosince 2022

r/WhatIsThisYarn has 8.6k members. It gets about 77 posts a month from 75 people. Top topics: Yarn Identification Help, Yarn Substitution Requests and YarnProjectsIdeas.

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Size and growth

How r/WhatIsThisYarn has grown

r/WhatIsThisYarn

Subscriber growth

Subscribers over time

+17%since May 2026 · +7.7% in 3 months · +1.9% in 1 month
Oct 20268.6k
Growing8.6k subscribers
  • no data — drawn from 0 at creation (Feb 2022)
Live · through Oct 2026
r/WhatIsThisYarn

Monthly activity

Posts, comments and authors per month

+6.9%vs Sep 2025 · +59% last 3 months vs the 3 before
Sep 202677
BusierPeaked at 103 in Jan 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/WhatIsThisYarn

Top topics

Share of the subreddit's posts

  1. Yarn Identification Help67%
  2. Yarn Substitution Requests11%
  3. YarnProjectsIdeas1.5%
  4. Cake Yarn Projects1.0%
  5. Yarn Projects & Dyed Yarns1.0%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/WhatIsThisYarn

Which post types r/WhatIsThisYarn allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

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Timing and removals

How often posts get removed on r/WhatIsThisYarn

The best day and hour for r/WhatIsThisYarn, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

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What to post

What works on r/WhatIsThisYarn

Title and body length that does well on r/WhatIsThisYarn, and its mix of text posts, links, images, galleries and video.

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Who writes here

Who posts on r/WhatIsThisYarn

Gender and age of the people who write on r/WhatIsThisYarn, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

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How they talk

What people ask for on r/WhatIsThisYarn

Requests for recommendations, help and alternatives on r/WhatIsThisYarn, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

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The full report

See all of r/WhatIsThisYarn

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research