About r/AskEngineers
In its own words:
Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines.
The community was created on Mar 27, 2011, which makes it 15 years old. Since Oct 26, 2026, it has gained 771 subscribers (+0.03%).
What sets r/AskEngineers apart
Compared with other large communities, r/AskEngineers leans heavily on text posts (85% of recent posts; the typical Top 100 subreddit sits at 34%).
Subscriber growth
Between Sep 19, 2026 and Nov 2, 2026, r/AskEngineers climbed from 2,744,770 to 2,749,808 subscribers (+5K, +0.18%). That is about 115 new members per day. The chart uses our weekly snapshots (9 so far), so it gets longer every week.
What r/AskEngineers talks about
Looking at the titles of 20 recent posts (Oct 31–Nov 1), the words that come up most are “looking”, “side”, “switchgear”, “control” and “manufacturing”. Other frequent themes are learn, mitek, structure, panel, solutions and enable. By format, 85% are text posts and 15% are links.
Activity and best time to post
r/AskEngineers gets about 15 new posts a day. The public archive holds 190,982 posts and 1,944,092 comments in total, about 10.2 comments per post. Last week the busiest day was Friday (19 posts) and the quietest was Wednesday (8). Posting peaks around 13:00 UTC and is lowest around 05:00 UTC.
Rules of r/AskEngineers
The moderators of r/AskEngineers list 7 rules. In short:
- Titles must be a question about engineering
- No homework questions
- Avoid questions that can be answered by researching on the internet
- Be respectful to other users
- Don't answer if you aren't knowledgeable
- Be substantive
- No generic Career/Workplace Posts
How to join
Open reddit.com/r/AskEngineers and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How big is r/AskEngineers?
r/AskEngineers has 2,749,808 subscribers, which makes it the #406 safe-for-work subreddit in the SubMouse ranking. It added 5,038 members between Sep 19, 2026 and Nov 2, 2026.
How old is r/AskEngineers?
r/AskEngineers was created on Mar 27, 2011, so it has been around for 15 years. The oldest post in the public archive is from Mar 28, 2011.
How active is r/AskEngineers?
Moderately: r/AskEngineers gets about 15 new posts a day (average of the last week). Over its lifetime the archive counts 190,982 posts and 1,944,092 comments.
When is r/AskEngineers most active?
Based on post counts from Oct 29, 2026 to Nov 4, 2026, the busiest day was Friday and the quietest Wednesday, and most posts arrive around 13:00 UTC, with the fewest around 05:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What is r/AskEngineers about?
The community describes itself as: “Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the technologies, standards, and processes used…” Recent post titles often mention looking, side, switchgear, control and manufacturing. Most posts are text posts (85%).
Is r/AskEngineers safe for work?
Yes. Reddit does not mark r/AskEngineers as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
How do I post on r/AskEngineers?
Join the community on Reddit first, then use “Create post”. r/AskEngineers accepts text posts only, with galleries enabled. It has 7 posted rules, starting with: “Titles must be a question about engineering”; “No homework questions”; “Avoid questions that can be answered by researching on the internet”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
Which communities are like r/AskEngineers?
Communities with similar topics include r/Design (4.5M), r/AskReddit (60M), r/askscience (26.4M), r/math (4M) and r/Wellthatsucks (4.6M).
Stats from public data (data updated Nov 2, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/AskEngineers.