r/chemhelp↗
ChemHelp: a place to ask questions about chemistry
r/chemhelp is place where you can seek help with whatever chemistry problem you may encounter. Whether you are a high school student trying to understand the fundamentals, a college student struggling through upper division courses, or a professional seeking pointers on a real problem you are trying to solve, you have a place here.
117k subscribers522 posts / mo in Sep 2026428 authors / mosince 2010
r/chemhelp has 117k members (+16% over the last 12 months). It gets about 522 posts a month from 428 people. Top topics: Seeking Answers, Organic Chemistry and Help With Questions.
When to post on r/chemhelp
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How r/chemhelp has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/chemhelp
Top topics
Share of the subreddit's posts
- Seeking Answers1.2%
- Organic Chemistry1.1%
- Help With Questions1.1%
- Chemistry Exams & Notes0.8%
- AP Sciences0.4%
Brands people mention
Most-mentioned brands and sites, last 12 months
- iupac.org
- webPOISONCONTROL
- Doi
- Masterorganicchemistry.com
- ResearchGate
Everything else about r/chemhelp
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research