Communities related to r/AskEngineers, with what each one is for and how it differs. Member figures come from SubMouse's safe-for-work directory.
r/AskEngineers (about 2.7M members, directory rank #406) is for questions about how engineers apply math and science to design and maintain systems. Hands-on DIY projects, component-level electronics and general career guidance each fit better when the ask is not engineering practice.
Stay on AskEngineers for engineering design and practice questions. Use DIY for home builds, electronics for circuits and components, and careerguidance for career path advice outside engineering specifics.
r/AskEngineers — AskEngineers: Stop nodding, start asking questions.
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 a…
DIY
When to choose it: Home and hobby builds rather than engineering practice.
Why it is here: Huge DIY community (about 27.5M members, rank #17). See DIY vs HomeImprovement.
How it differs from r/AskEngineers: Hobby builds versus professional engineering Q&A.
Electronic circuits at the component-level
When to choose it: Component-level circuits and electronics news.
Why it is here: Public description: component-level electronic circuits (about 1.4M members, rank #740).
How it differs from r/AskEngineers: Electronics hobby/engineering components versus broad AskEngineers.
Career Guidance
When to choose it: Career decisions that are not engineering-specific.
Why it is here: Public description: discuss career options (about 5.1M members, rank #176). See careerguidance vs jobs.
How it differs from r/AskEngineers: General careers versus engineering practice questions.
Use the related subreddits finder for r/AskEngineers: Find related to r/AskEngineers.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-09 UTC); 7-day growth measured from 2026-11-02. Directory rank is listing order. Guide updated 2026-11-07.