Yes, you can duplicate a post and publish the edited copy as a new, separate post. This is a standard feature in most content management systems (like WordPress) and social media schedulers, and it is perfectly safe as long as you change the content enough to avoid duplicate-content penalties from search engines. Here is everything you need to know about why, how, and when to do it.
Formula
The calculator above estimates the new word count if you add a certain percentage of new content to an existing post. The formula is:
New Word Count = Original Word Count × (1 + Percentage to Change / 100)
Where:
- Original Word Count – the number of words in the post you plan to duplicate (in words).
- Percentage to Change – how much new content you plan to add, expressed as a percentage (%).
- New Word Count – the estimated total words in the edited copy (in words).
Worked Example
Using the default values from the calculator above (original word count = 1000 words, percentage to change = 30%):
- Convert the percentage to a decimal: 30 / 100 = 0.30
- Add 1 to the decimal: 1 + 0.30 = 1.30
- Multiply by the original word count: 1000 × 1.30 = 1300 words
So if you duplicate a 1000-word post and add 30% new content, the edited copy will have approximately 1300 words. The calculator also shows that you added 300 words (1000 × 0.30 = 300).
Why Duplicate a Post?
Duplicating a post is a common workflow for several legitimate reasons:
- Republishing evergreen content – You have an old post that is still relevant but needs updated statistics, examples, or screenshots. Instead of rewriting from scratch, you duplicate it, update the facts, and publish with a new date.
- Creating a series – You wrote a post on “Beginner’s Guide to X� and now want “Intermediate Guide to X.� Duplicating saves the layout and structure.
- Testing variations – In A/B testing for email newsletters or landing pages, you might duplicate a post, change the headline or call-to-action, and publish as a separate page to compare performance.
- Translating or localizing – If you run a multilingual site, duplicating a post and then translating the text is faster than building a new page from scratch.
How to Duplicate a Post (WordPress Example)
In WordPress, the most popular CMS, there are two main ways to duplicate a post:
- Using a plugin – Install a plugin like “Duplicate Post� or “Yoast Duplicate Post.� After activation, you’ll see a “Copy to a new draft� link under each post in the admin list. Click it, and the system creates a new draft with all the original content, featured image, and metadata.
- Manual copy-paste – Open the original post in the editor, select all content, copy it, create a new post, and paste. This works but does not copy custom fields, SEO metadata, or featured images automatically.
After duplicating, you edit the new draft, change the title, update the content, and click “Publish.� The original post remains untouched.
How Much Should You Change?
Search engines like Google do not have a fixed “percentage� threshold for duplicate content. However, the general rule of thumb is to make the copy substantially different – not just a word swapped here and there. A practical guideline is to change at least 30% of the text, which means adding new paragraphs, rewriting sentences, updating examples, and changing the structure where possible. If you only change a few words, Google may treat the new post as duplicate content, which can hurt your search rankings for both posts.
For a 1000-word post, a 30% change means adding about 300 words of new material. That could be a new case study, updated statistics, a new section, or a rewritten introduction and conclusion.
Common Mistakes to Avoid
- Publishing without changing the slug – The URL (slug) must be different from the original. If you forget, you’ll have two posts with the same URL, which causes errors.
- Forgetting to update the date – If you republish old content, update the date to today so readers and search engines know it’s fresh.
- Keeping the same canonical URL – If you have a canonical tag pointing to the original, the new post will be ignored by search engines. Remove or update it.
- Not checking internal links – The duplicated post may contain internal links to other pages on your site. Review them to ensure they still make sense in the new context.
- Leaving placeholder text – When you duplicate, any custom fields or shortcodes are copied too. Make sure they don’t contain outdated data.
When NOT to Duplicate a Post
There are times when duplicating is a bad idea:
- If the original is performing well – If a post already ranks on page one of Google, duplicating it and publishing a near-identical version can split your traffic and confuse search engines. Instead, update the original.
- If you don’t have time to rewrite thoroughly – A lazy duplicate with minor changes will likely be ignored by search engines and readers.
- If the content is time-sensitive – News, stock market analysis, or event announcements should not be duplicated; they should be updated in place or deleted after their relevance expires.
Alternatives to Duplicating
If you want to reuse content without creating a duplicate post, consider these alternatives:
- Update the original post – Add new sections, refresh statistics, and change the publish date. This keeps all your link equity in one place.
- Create a summary or “roundup� post – Link to several older posts with a new commentary, which adds value without copying.
- Use excerpts or pull quotes – Share a short quote from an old post on social media with a link back to the full article.
- Convert to a different format – Turn a blog post into a video, infographic, or podcast episode. This is not duplicate content because the medium is different.
Frequently Asked Questions
Will I get penalized by Google for duplicating a post?
Not if you make the new post substantially different. Google’s duplicate content penalty is for exact or near-exact copies. If you add significant new information, rewrite the text, and change the title and URL, the new post is considered original.
Can I duplicate a post on social media?
Yes, most social media schedulers (like Buffer, Hootsuite, or Later) allow you to “reuse� or “duplicate� a post and edit the caption before publishing. This is common for recycling popular content, but change the caption and image slightly to avoid looking spammy.
Does duplicating a post copy the SEO settings?
In WordPress, if you use a duplication plugin, it often copies the SEO metadata (like meta description and focus keywords) from the original. You must edit these to match the new post, otherwise you’ll have two posts targeting the same keyword.
Can I duplicate a post and change only the date?
Technically yes, but it’s not recommended. If you only change the date, search engines will see two identical posts. You need to change the content, even if it’s just a few paragraphs, to make it unique.
What is the best way to duplicate a post in WordPress without a plugin?
The manual copy-paste method works, but you lose featured images, custom fields, and SEO settings. A better manual method is to use the “Export� feature to export the post as XML, then import it as a new post. However, a plugin is simpler and more reliable.
Should I redirect the old post to the new one?
No, unless you are replacing the old post entirely. If you keep both, you don’t need a redirect. If you delete the old post, you should set up a 301 redirect to the new one to preserve any backlinks.
Related
Formula used
in t | Original word count | words | 1000 | 0 | 1000000 in p | Percent to change | % | 30 | 0 | 100 out new | Approx. new word count | words | t * (1 + p/100) | 0 out added | Words added | words | t * p/100 | 0
Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work
Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.
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