About r/theydidthemath
In its own words:
And they said math has no real world applications
The community was created on Apr 26, 2013, which makes it 13 years old. Since Oct 19, 2026, it has gained 6,416 subscribers (+0.26%). Among the 7 communities on our interesting facts list it is number 5 by size.
What sets r/theydidthemath apart
r/theydidthemath is far more image-driven than most big subreddits: 45% of its recent posts are images, against a median of 9% across the Top 100. For its size it is unusually busy: about 16.5 new posts a day per million members, more than 90% of the Top 100. It is also one of the faster-growing big communities: its 0.68% gain since Sep 19, 2026 beats 98% of the Top 100. Its rhythm is strongly tied to time zones: the busiest hour (23:00 UTC) sees about 6.7× as many posts as the quietest (05:00 UTC).
Subscriber growth
Between Sep 19, 2026 and Oct 29, 2026, r/theydidthemath went up from 2,437,351 to 2,453,937 subscribers (+16.6K, +0.68%). That is about 415 new members per day. The chart uses our weekly snapshots (8 so far), so it gets longer every week.
What r/theydidthemath talks about
We read the titles of 256 recent posts (Oct 21–Oct 28), the words that come up most are “request”, “long”, “fast”, “actually” and “self”. Other frequent themes are energy, force, person, work, earth and calculate. Recurring phrases include “student debt”, “request assuming”, “average salary” and “brain generates”. By format, 45% are images, 28% are text posts and 17% are videos.
Activity and best time to post
r/theydidthemath gets about 41 new posts a day. The public archive holds 229,894 posts and 3,646,122 comments in total, about 15.9 comments per post. Last week the busiest day was Tuesday (44 posts) and the quietest was Sunday (29). Posting peaks around 23:00 UTC and is lowest around 05:00 UTC.
Rules of r/theydidthemath
The moderators of r/theydidthemath list 8 rules. In short:
- Bad title tag
- Unclear title / Incalculable
- No credit
- Simple math
- Homework
- Being a dick
- Bad [Request] answer
- Uncited answer
How to join
Open reddit.com/r/theydidthemath and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How many subscribers does r/theydidthemath have?
r/theydidthemath has 2,453,937 subscribers, which makes it the #456 safe-for-work subreddit in the SubMouse ranking. It added 16,586 members between Sep 19, 2026 and Oct 29, 2026.
How old is r/theydidthemath?
r/theydidthemath was created on Apr 26, 2013, so it has been around for 13 years.
How active is r/theydidthemath?
Very active: r/theydidthemath gets about 41 new posts a day (average of the last four weeks). Over its lifetime the archive counts 229,894 posts and 3,646,122 comments. In a sample of 256 recent posts we counted 227 different authors.
When is r/theydidthemath most active?
Based on post counts from Oct 22, 2026 to Oct 28, 2026, the busiest day was Tuesday and the quietest Sunday, and most posts arrive around 23:00 UTC, with the fewest around 05:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What is r/theydidthemath about?
The community describes itself as: “And they said math has no real world applications” Recent post titles often mention request, long, fast, actually and self. Most posts are images (45%).
Is r/theydidthemath safe for work?
Yes. Reddit does not mark r/theydidthemath as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
How do I post on r/theydidthemath?
Join the community on Reddit first, then use “Create post”. r/theydidthemath accepts both text and link posts, with images, videos, galleries and polls enabled. It has 8 posted rules, starting with: “Bad title tag”; “Unclear title / Incalculable”; “No credit”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
Which communities are like r/theydidthemath?
Communities with similar topics include r/interesting (2.2M), r/Damnthatsinteresting (20.6M), r/interestingasfuck (16.9M), r/compsci (4M) and r/mildlyinteresting (25.4M).
Stats from public data (data updated Oct 29, 2026; activity, rules and archive totals via the Arctic Shift archive, Oct 30, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/theydidthemath.