The direct answer: as of 18 August 2026, Instagram's Help Center states verbatim: "You can use up to 5 tags on a post. If you include more than 5 tags on a single photo/video, your comment won't post." The limit is five, not thirty. A hashtag labels content, places it on a hashtag page, and makes it matchable in Search. No official page says it increases reach. This guide gives you a selection method, not a list.
1. How many hashtags can you use now?
The current official limit is 5 tags per post. We read the live Help Center page on 18 August 2026 and it says so directly.
| Period | Limit | Status |
|---|---|---|
| Before December 2025 | Up to 30 tags | Out of date |
| From December 2025 | Up to 5 tags | Current limit |
Instagram announced the change through its @creators account, and its stated guidance was that fewer, more targeted tags work better. Note that Google's search snippets still show the old "up to 30 tags" text, because the index has not caught up. The live page is the reference.
2. What hashtags actually do
| Claim | Classification |
|---|---|
| Places the post on a hashtag page (for public accounts) | Official fact |
| Its text is matched in Search against what the user types | Official fact |
| Helps make the topic of the post explicit | Practical interpretation |
| "Increases reach" or "gets more likes" | Circulating theory, no official source |
| "Gets you on Explore" | Circulating theory; the Reels system card does not mention hashtags at all |
3. Do hashtags increase reach or likes?
No official Instagram page says so. Two things are documented and no more: a hashtag puts the post on its hashtag page, and Search matches typed text against hashtags among other fields. Instagram's reach-tips page mentions "relevant keywords in your content, caption, bio and hashtags", which is about making the topic clear, not a promise of distribution.
If your reach is genuinely low, tags are rarely the cause: how the Instagram algorithm works.
4. Caption or first comment?
Technically both work, and the Help Center mentions both. But Instagram's own post on how Search works says explicitly: "put keywords and hashtags in the caption, not the comments".
So the caption is the right place. If you have been hiding tags in a first comment for aesthetic reasons, you are giving up part of the Search matching.
5. How to pick 5 hashtags for this specific post
Do not choose for your account. Choose for this post. Four layers, five tags:
- The subject. What this specific post is about.
- The category. The wider field it belongs to.
- The format or occasion. Only if there is a tag people genuinely use for it.
- Language or place. A local tag if your audience is local.
Illustrative example (hypothetical, not a reported result): a post about lighting a product shot in a small kitchen. Subject: product photography lighting. Category: product photography. Format: before and after. Place: your city. That is four justified layers, and the fifth is your general field tag only if it is actually in use.
Working rule: if you cannot explain why a tag belongs on this specific post, delete it. Four justified tags beat five random ones.
6. Hashtags on Reels versus feed posts
The same limit and the same logic apply. But one documented detail is worth knowing: the Reels Chaining system card in Meta's Transparency Center (last updated 11 November 2025) lists the signals used to rank reels, and hashtags are not among them.
So on Reels specifically, put your effort into what is documented: length, originality, and picture and audio quality. Details in how to make Reels.
7. The "3 hashtag rule" and other circulating rules
You will see rules like "use only 3 tags", "9 is the sweet spot", or "rotate your tags weekly or you get flagged". None of them has an official source. The published limit is five, and anything below that is an editorial choice, not a platform rule.
8. Why hashtag lists and generators fail
Three practical reasons:
- The limit itself. A list of thirty tags is no longer usable.
- Irrelevance. A tag that does not describe your post puts it in front of people with no interest in it, which produces scrolling, not engagement.
- Repetition. Pasting the same set on every post makes your tags meaningless as a classification, which is the one documented job they have.
If you arrived here looking for a faster route to views, a views service is an entirely separate option, on the Instagram views service page. It does not change how content is classified or whether it is eligible to be recommended.
9. Branded and community tags
A tag you own, used consistently by you and by people posting about you, is the one case where a hashtag does real work beyond a single post: it collects the content in one place you can find and reshare. Keep it short and unmistakable, and make sure your account is public, since posts from private accounts do not appear on hashtag pages.
10. Check whether hashtags brought you viewers
Open the post's insights and look at Accounts engaged split between followers and non-followers. If you change how you choose tags and the non-follower share rises across several comparable posts, that is a practical signal. A single post proves nothing.
11. Common mistakes
- Pasting the same tags on every post.
- Using very broad tags that do not describe the content.
- Putting tags in the first comment and assuming they work identically.
- Chasing trending tags unrelated to the subject.
- Believing a tag change will fix a reach problem.
12. FAQ
How many hashtags should you use on Instagram?
You can use up to five per post, per the official Help Center as read on 18 August 2026. Use as many of those five as you can justify.
Can I still use 30 hashtags?
No. The current limit is five, and exceeding it stops your comment posting, according to the official page.
What is the 3 hashtag rule?
A circulating rule with no official source. Instagram publishes a limit, not an optimum.
Which Instagram hashtags get the most likes?
No official source connects hashtags to likes. Likes come from the content and from it reaching the right people.
Do hashtags in comments work?
The Help Center permits them, but Instagram's Search post advises putting keywords and hashtags in the caption rather than the comments.
Are there banned hashtags that get you restricted?
Instagram documents that some hashtags cannot be searched, but it documents no penalty mechanism tied to tags. If you suspect a restriction, the right procedure is in shadowban and Account Status.
13. Practical summary
Five tags maximum, in the caption rather than a comment, chosen for this specific post across four layers: subject, category, format, and language or place. Do not paste lists, and do not expect tags to fix a distribution problem. If you want to be found systematically, that is a different job: Instagram SEO and search visibility. And for Explore specifically: the Instagram Explore page.
The rest of the Instagram library is collected in the Instagram Resource Hub.
14. Official sources
- Use hashtags on Instagram: "You can use up to 5 tags on a post" (read directly 18 August 2026).
- How Instagram Search works (25 August 2021): text matching, and "put keywords and hashtags in the caption, not the comments".
- Instagram tips for improving your reach: relevant keywords and originality.
- Reels Chaining system card (updated 11 November 2025): the signal list does not include hashtags.
- Recommendation Guidelines.
- The @creators announcement of the new hashtag guidance (December 2025).