r/AskEngineers is a subreddit with 2.7M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses engineering, mechanical, struggling, looking for, and career, and they frequently recommend/review cad software, coding language, and webshop.
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.
Popular Themes in r/AskEngineers
#1
Advice Requests
: "Why do skyscrapers in the US seem to use a lot more steel beams while everywhere else they seem to favor reinforced concrete?"
18 posts
#2
Solution Requests
: "I need to drill a 1/2" diameter (ish), 24" hole in relatively soft polyethylene foam with repeatable results over hundreds of holes."
14 posts
#3
Ideas
: "Are hydrogen powered combustion engines possible for mass market cars?"
2 posts
#4
Pain & Anger
: "Concerns about excess weight on wooden ceiling joists in residential home"
1 post
Popular Topics in r/AskEngineers
#1
Engineering
: "What's the most expensive Engineering mistake you've personally witnessed?"
232 posts
#2
Mechanical
: "How Mechanically difficult would the Antikythera Mechanism have been to build with ancient tools?"
77 posts
#3
Struggling
60 posts
#4
Looking For
54 posts
#5
Career
: "Career Monday (25 May 2026): Have a question about your job, office, or pay? Post it here!"
34 posts
#6
Job
33 posts
#7
Hard Time
28 posts
#8
Design
: "From Design to manufacturing. I'm learning how challenging manufacturing is. Why isn't it respected more?"
24 posts
#9
Looking
21 posts
#10
Advice
19 posts
Products Discussed in r/AskEngineers
Cad Software
9 reviews
#1
PTC Creo
4.0★ from 2 reviews
#2
Siemens NX
4.0★ from 2 reviews
#3
Autodesk Inventor
4.0★ from 2 reviews
Coding Language
5 reviews
#1
Python
4.3★ from 3 reviews
#2
Arduino
4.0★ from 1 review
#3
C++
4.0★ from 1 review
Webshop
4 reviews
#1
Fabory
4.0★ from 3 reviews
#2
Accugroup
5.0★ from 1 review
Flair Used in r/AskEngineers
#1
Discussion
: "How long would it take (and how exactly) for a smart and creative engineer to figure out how to charge their mobile phone if they were teleported to New York in 1890?"
75 posts
#2
Mechanical
: "What is the optimal fan placement for overnight cooling ?"
74 posts
#3
Electrical
: "Why aren’t existing solar and wind plants racing to add batteries behind the meter?"
20 posts
#4
Civil
: "If Roman concrete could self-heal and last 2,000 years, why does modern concrete still crack and fail in decades?"
15 posts
#5
Chemical
: "Battery makers of Reddit; is there any difference in alkaline batteries on market?"
7 posts
#6
Computer
: "What is ACTUALLY causing the “444” phantom calls on old Samsung phones?"
7 posts
Member Growth in r/AskEngineers
Yearly
+58k members(2.2%)
Similar Subreddits to r/AskEngineers
r/AskReddit
58.9M members
4.9% / yr
r/civilengineering
221k members
19.6% / yr
r/csMajors
447k members
21.3% / yr
r/ElectricalEngineering
357k members
23.1% / yr
r/electricians
562k members
12.2% / yr
r/engineering
737k members
4.9% / yr
r/EngineeringStudents
1.0M members
8.0% / yr
r/HVAC
238k members
11.2% / yr
r/MechanicalEngineering
269k members
34.2% / yr
r/ProductManagement
270k members
27.8% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/AskEngineers, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: June 19, 2026