r/estimation

7,056 subscribers
created in 2012


Ever wondered what the rate of gummi bear combustion needed to power a lawn mower is?

How fast do you need to throw a burrito to make it spontaneously ignite?

A subreddit dedicated to one of the most useful skills in life. Estimation.

https://reddit.com/r/estimation
r/Physics
349k subscribers

The aim of /r/Physics is to build a subreddit frequented by physicists, scientists, and those with a passion for physics. Papers from physics journals (free or otherwise) are encouraged. Posts should be pertinent, meme-free, and generate a discussion about physics. Please report trolls and intentionally misleading comments.

https://reddit.com/r/Physics
estimation 4.93%
0.21% Physics
r/math
449k subscribers
estimation 5.81%
0.14% math
r/AskScienceDiscussion
35k subscribers

Here you can ask any question you have about being a scientist, what's new in a field, what's going to happen in a field, or are curious about how we got to this point.

https://reddit.com/r/AskScienceDiscussion
estimation 2.08%
0.24% AskScienceDiscussion
r/AskEngineers
84k subscribers

Engineers apply the knowledge of science and math to build maintainable systems and devices to solve problems. AskEngineers is a forum for questions about the processes and standards used to build them, as well as for questions about the engineering profession and its many disciplines.

https://reddit.com/r/AskEngineers
estimation 2.55%
0.15% AskEngineers
r/xkcd
102k subscribers

/r/xkcd is the subreddit for the popular webcomic XKCD by Randall Monroe. Come to discuss the comics and other work by Randall with other fans.

https://reddit.com/r/xkcd
estimation 2.04%
0.18% xkcd
r/answers
144k subscribers

Reference questions answered here.

https://reddit.com/r/answers
estimation 3.51%
0.11% answers
r/theydidthemath
310k subscribers

And they said math has no real world applications

https://reddit.com/r/theydidthemath
estimation 3.61%
0.11% theydidthemath
r/AskPhysics
19k subscribers

A subreddit to draw simple physics questions away from /r/physics. No real rules; ask away.

If your basic physics question isn't answered in a day, you can post it to /r/physics if you mention that you didn't get an answer on /r/AskPhysics (unless it's a homework-related physics question).

https://reddit.com/r/AskPhysics
estimation 1.46%
0.22% AskPhysics
r/askscience
15m subscribers

Ask a science question, get a science answer.

https://reddit.com/r/askscience
estimation 14.14%
0.09% askscience
r/AskHistorians
747k subscribers

Questions about the past: Answered!

https://reddit.com/r/AskHistorians
estimation 4.53%
0.09% AskHistorians
r/TrueAskReddit
132k subscribers

/r/TrueAskReddit is a subreddit for intelligent discussion about interesting issues. Low effort comments, memes, jokes and trolls beware!

https://reddit.com/r/TrueAskReddit
estimation 1.6%
0.13% TrueAskReddit
r/learnmath
64k subscribers

Post all your math-learning resources here. Questions, no matter how basic, will be answered (to the best ability of the online subscribers).

https://reddit.com/r/learnmath
estimation 1.75%
0.12% learnmath
r/explainlikeIAmA
99k subscribers

If you are anything BUT 5 years old, and you're confused by something, this is the place for you.

Now that /r/eli5 clarified that they want simple explanations, (fake) 5 YEAR OLDS ARE NOW WELCOME TO THE SUBREDDIT. But not in a creepy way.

https://reddit.com/r/explainlikeIAmA
estimation 1.6%
0.12% explainlikeIAmA
r/engineering
181k subscribers

The hub for all content related to the engineering discipline.

https://reddit.com/r/engineering
estimation 2.52%
0.1% engineering
r/AskSocialScience
73k subscribers

For questions and answers grounded in Social Science.

https://reddit.com/r/AskSocialScience
estimation 1.2%
0.15% AskSocialScience
r/Astronomy
364k subscribers

Everything to do with Astronomy:

The amateur hobby of man since the dawn of time and scientific study of celestial objects.

https://reddit.com/r/Astronomy
estimation 2.15%
0.1% Astronomy
r/CasualMath
8k subscribers

This is a subreddit that is meant to be somewhere inbetween /r/math and /r/learnmath.

https://reddit.com/r/CasualMath
estimation 0.84%
0.92% CasualMath
r/Foodforthought
221k subscribers

Intelligent and thought-provoking commentaries on life and culture with an emphasis on longform articles and essays that stimulate intellectual discourse.

https://reddit.com/r/Foodforthought
estimation 1.75%
0.1% Foodforthought
r/TrueReddit
406k subscribers

A subreddit for really great, insightful articles, reddiquette, reading before voting and the hope to generate intelligent discussion on the topics of these articles.


Please read the reddiquette and the sidebar before you join. This subreddit is moderated by its members. Your actions will have an impact. (E.g. don't downvote just because you disagree.)

https://reddit.com/r/TrueReddit
estimation 4.02%
0.07% TrueReddit
r/Infographics
78k subscribers
estimation 1.06%
0.13% Infographics