r/MechanicalEngineering

Updated 2026-10-24

r/MechanicalEngineering is a Science & Education community on Reddit with 274,768 members, ranking #108 of 2,165 in Science & Education. The gathering place for mechanical engineers to discuss current technology, methods, jobs, and anything else related to mechanical engineering.

274,768 membersScience & Education#108 in category
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How big is r/MechanicalEngineering?

Created in 2010, r/MechanicalEngineering has had over a decade to grow and is a large community by Reddit standards. Within Science & Education it ranks #108 of 2,165 communities we track — the top 5% of the category by subscriber count. That puts it about 136× the median Science & Education subreddit, which has 2,019 members. It is a work-safe community with no 18+ flag on Reddit.

For scale, the largest Science & Education community we track is r/science with 34,470,477 members — roughly 125 times the size of r/MechanicalEngineering. Reddit itself launched in 2005, so a subreddit created in 2010 sits in the early wave of community building on the platform. Subscriber counts indicate reach, not activity — a large community can be quiet, and a smaller one busy. Open r/MechanicalEngineering on Reddit to see how often people actually post before deciding whether it is worth joining.

Members274,768
CategoryScience & Education
Rank in category#108 of 2,165
Created2010
Category median size2,019 members
Content ratingWork-safe (SFW)

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Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.

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