Tech, science & learning

r/physics stats

r/physics has 3,254,084 members and gets about 8.0 new posts a day. The best time to post is Tuesday around 5am US Eastern.

Members
3.3M
Posts per day
8.0
Avg comments
28.9
Created
2008

From the subreddit: For physicists and physics students. See the rules before posting, and the subreddit wiki for common questions. Basic homework questions are not allowed.

Best time to post on r/physics

When this month's top 100 posts went up, weighted by score. Times are US Eastern.

  1. #1

    Tue 5am

  2. #2

    Thu 10pm

  3. #3

    Tue 6pm

12am3am6am9am12pm3pm6pm9pm
Sun
Mon
Tue
Wed
Thu
Fri
Sat

Top posts this month

Who buys on r/physics

Readers following technology, programming and science. Good for developer tools, consumer tech and education products.

Find buyers in r/physics

Leadhoot watches r/physics, scores every new post 0–100 for buyer intent, and alerts you within a minute of the ones asking for what you sell.

Watch r/physics

Related subreddits

Common questions

r/physics has 3,254,084 members, read from Reddit on October 29, 2026.

Based on when this month's top posts went up, Tuesday around 5am US Eastern. Check the heatmap for runner-up slots.

It gets about 8.0 new posts a day, and a new post averages 28.9 comments.

Read the subreddit rules first; most business subreddits remove promotional posts. What works is answering posts where someone asks for help, being genuinely useful, and disclosing when you mention your own product.

Watch for posts where someone asks for a recommendation, a quote, or an alternative to a tool. Leadhoot watches r/physics for you, scores every new post 0–100 for buyer intent, and alerts you within a minute of the high scorers.

Data read from Reddit's public API and refreshed weekly. Check any subreddit.