How Reddit Karma Works in 30 Seconds
Reddit karma is the total score of upvotes minus downvotes you receive across your posts and comments. Every time someone upvotes something you shared, your karma increases by one point. Every downvote subtracts one point. That is it. There is no multiplier, no hidden bonus, and no way to earn karma without other users voting on your content.
But karma is not just a number. It is a trust signal that subreddits use to decide whether you can post, comment, or participate at all. Understanding how does reddit work karma helps you avoid getting stuck in low-karma limbo.
Upvotes and Downvotes: The Simple Math
When you submit a post or write a comment, other users click the up arrow (upvote) or down arrow (downvote). Reddit calculates your karma like this:
- One upvote = +1 karma
- One downvote = -1 karma
- Total karma = upvotes received minus downvotes received
For example, if your comment gets fifteen upvotes and three downvotes, you earn twelve comment karma. If your post gets fifty upvotes and ten downvotes, you earn forty post karma.
Your profile shows two separate numbers: post karma and comment karma. They are never combined into a single score. Reddit displays them side by side so anyone can see how you earned your reputation.
Comment Karma vs Post Karma: What Actually Matters
Most beginners assume post karma is more important because posts appear in feeds and get more visibility. But in practice, comment karma is often the more useful metric for building trust on Reddit.
Why? Because comment karma shows you participate in discussions. It proves you engage with communities, follow conversation norms, and add value inside threads. Subreddit moderators see a high comment karma count and assume you understand how to behave in their space.
Post karma still matters. Some subreddits require a minimum post karma before you can submit links or images. But many subreddits care more about your comment history. A profile with 500 comment karma and 50 post karma will be accepted into more communities than a profile with 500 post karma and zero comment karma.
Why Subreddits Check Your Karma (And What Else They Check)
Subreddits use karma requirements as a first filter against spam, bots, and new users who might break rules. Common thresholds include:
- 10 comment karma to post in a small community
- 100 combined karma to post in a medium-sized subreddit
- 500+ comment karma to post in large, strict communities
But karma alone is not enough. Subreddits also check your account age and your visible comment history. An account with 200 karma but only three days old looks suspicious. An account with 200 karma, six months of age, and a history of normal comments in relevant subreddits looks trustworthy.
This is why Reddit account reputation is built over time, not just by farming upvotes. Your age, history, and consistency matter just as much as your karma number.
Practical Example: Two New Accounts, Two Different Outcomes
Account A: Created yesterday. Has 50 post karma from a single viral meme post. Zero comment karma. No comments in any thread.
Account B: Created two months ago. Has 30 post karma and 120 comment karma from thirty different comments in hobby subreddits. Comment history shows real participation.
Both accounts want to post in a subreddit that requires 100 combined karma. Account A technically qualifies but gets rejected by the automod because the account is too new and has no comment history. Account B passes because the age and comment history look natural.
Moral: karma alone does not guarantee access. Your account’s visible participation history is equally important.
Common Beginner Mistakes That Stall Your Karma
- Posting low-effort content in large subreddits. If your post gets downvoted into negatives, you lose karma and look like a spammer.
- Commenting only “nice post” or “good stuff.” Redditors downvote obvious karma-farming comments. Add real value or stay quiet.
- Ignoring subreddit rules before posting. Many subreddits automatically remove posts from accounts below a certain karma threshold. Read the sidebar.
- Posting links before building comment karma. Link posts often get flagged as spam if your account has low comment karma. Focus on text posts and comments first.
- Deleting downvoted comments. Deleting a comment does not restore the karma you lost. It also removes your visible history, which hurts your reputation.
Quick Action Checklist
- [ ] Read the rules of any subreddit before posting or commenting
- [ ] Start in small, niche communities where competition is lower
- [ ] Write helpful, specific comments that add information or ask good questions
- [ ] Wait at least 30 days before attempting to post in large subreddits
- [ ] Do not delete downvoted comments unless they break a rule
- [ ] Check your comment karma and post karma separately to understand your profile balance
Practical Takeaway
Reddit karma is simple in theory but subtle in practice. Upvotes give you points. Downvotes take them away. But what actually matters is how you earn those points and what your profile shows about your participation.
Focus on writing real comments in communities you understand. Build comment karma first. Let your account age naturally. And remember that a visible history of thoughtful interaction is worth more than a high karma number from a single lucky post.
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FAQ
Q: How long does it take to earn 100 karma on Reddit?
A: It depends on where you post. In a small hobby subreddit, earning 100 comment karma might take a week of regular helpful comments. In a large default subreddit, one well-received comment could get you 100 karma in a few hours, but the risk of downvotes is also higher.
Q: Can I lose karma after earning it?
A: Yes. If other users downvote your old posts or comments, your karma decreases. Reddit recalculates karma continuously. Deleting a downvoted post does not restore the lost karma.
Q: Do deleted posts or comments affect my karma?
A: Deleting a post or comment does not change your current karma. However, it removes your visible history, which can make your profile look empty or suspicious to moderators.
Q: Is it better to have high post karma or high comment karma?
A: For most subreddits, comment karma is more useful because it shows active participation and community engagement. Post karma helps in some subreddits but is not a substitute for a visible comment history.
Q: Why do some subreddits remove my posts even though I have enough karma?
A: Karma is only one factor. Subreddits also check account age, comment history, and whether your account looks like a bot. If your account is very young or has no comment history, automod may still block you.
