r/AskPhysics

Community Overview
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About r/AskPhysics

r/AskPhysics is a subreddit specifically focused on physics-related questions and discussions. It serves as a space where Reddit users can ask questions about physics, seek explanations, and engage in conversations related to the subject. The community consists of physics enthusiasts, students, academics, and professionals who contribute their knowledge and expertise to help answer questions and provide insights.

The community at a glance

r/AskPhysics is a Subreddit for Physics with roughly 1.6M members. It uses a forum format for communication. It is the 3rd largest community in the Physics topic page.

Roughly 51K members have joined in the past year. Popular discussion topics include Physics, Struggling, and Understanding. Product recommendations often mention physics book, quantum mechanics book, and solid state physics book.

On Reddit
1.6M Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +51K members
Growth: +3.4% / year

Member growth over time

All time (yearly)

  • 2013: 2K members
  • 2014: 3K members
  • 2015: 3K members
  • 2016: 4K members
  • 2017: 5K members
  • 2018: 6K members
  • 2019: 18K members
  • 2020: 35K members
  • 2021: 22K members
  • 2022: 17K members
  • 2024: 1.1M members
  • 2025: 264K members
  • 2026: 34K members

Past year (monthly)

  • Jul: 197 members
  • Aug: 920 members
  • Sep: 954 members
  • Oct: 1K members
  • Nov: 6K members
  • Dec: 7K members
  • Jan: 6K members
  • Feb: 5K members
  • Mar: 6K members
  • Apr: 7K members
  • May: 7K members
  • Jun: 3K members

Topics

  • Physics
    257 posts in the past month
    #1
    Physics
    257
  • Struggling
    51 posts in the past month
    #2
    Struggling
    51
  • Understanding
    43 posts in the past month
    #3
    Understanding
    43
  • Looking For
    33 posts in the past month
    #4
    Looking For
    33
  • Energy
    23 posts in the past month
    #5
    Energy
    23

Product recommendations

  • physics book
    5 posts in the past month
    1. Best books on physics ( for a Science enthusiast )
    2. I've a newfound love for physics and math. Please suggest the best learning resources!
    3. Recommend me a physics book for studying that covers high school level and above
    #1
    physics book
    Best books on physics ( for a Science enthusiast ) · I've a newfound love for physics and math. Please suggest the best learning resources! · Recommend me a physics book for studying that covers high school level and above
    5
  • quantum mechanics book
    3 posts in the past month
    1. What is the best textbook for learning advance Quantum Mechanics?
    2. Recommended Readings for advanced QM and QED
    3. Could you recommend textbooks for advanced QM?
    #2
    quantum mechanics book
    What is the best textbook for learning advance Quantum Mechanics? · Recommended Readings for advanced QM and QED · Could you recommend textbooks for advanced QM?
    3
  • solid state physics book
    2 posts in the past month
    1. Hello all. I'm a materials science student and want to steer towards solid-state physics. I have little to zero knowledge about this field. Please recommend me some books for beginner , intermediate and advanced levels for this field. It would be truly appreciated.
    2. Recommend me Solid State Physics and Condensed Matter Physics TextBooks
    #3
    solid state physics book
    Hello all. I'm a materials science student and want to steer towards solid-state physics. I have little to zero knowledge about this field. Please recommend me some books for beginner , intermediate and advanced levels for this field. It would be truly appreciated. · Recommend me Solid State Physics and Condensed Matter Physics TextBooks
    2
  • relativity book
    2 posts in the past month
    1. Hey can anyone recommend books on general and special theory
    2. Recommend books on relativity
    #4
    relativity book
    Hey can anyone recommend books on general and special theory · Recommend books on relativity
    2
View full analysis on GummySearchSynced 6/16/2026

Frequently asked questions

Who is r/AskPhysics for?
Best for Physics enthusiasts looking for a Reddit-based community with forum discussion.
Is r/AskPhysics free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/AskPhysics have?
Roughly 1.6M members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/AskPhysics on?
r/AskPhysics runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/AskPhysics cover?
On the Hive Index, r/AskPhysics is organized under Physics.
How do I join r/AskPhysics?
You can join r/AskPhysics by clicking this link, or pressing the "Go to community" button above.
What are the Physics communities like?
Communities for physics students, enthusiasts, and professionals covering classical mechanics, quantum physics, relativity, and more. Facebook groups host educational content, Discord science servers mix physics with adjacent fields, and Reddit has communities for both homework help and deeper theoretical discussion.
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Added 7/8/2023

Monthly Stats

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