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Is turnitin 18 percent similarity bad?

Author

Christopher Duran

Updated on March 11, 2026

Is turnitin 18 percent similarity bad?

The acceptable Turnitin percentage is anything below 25% in the similarity report. A Turnitin plagiarism score of 25% and below shows that your paper is original. It also shows that your work is underpinned by enough sources, especially when well-cited and referenced.

Then, is 17 on Turnitin bad?

Generally, 17% similarity is not bad, but higher that what most universities like to see at ~10%. Regardless of the percentage, faculty will often review the associated originality report to see what the similarity consists of.

Also Know, is 16 on Turnitin bad? The widely acceptable Turnitin percentage is 15% and below. However, there is no universally specified similarity score, because plagiarism policies vary with institutions. Some universities accept Turnitin scores of 10%, others entertain as high as 45% if the sources are well cited.

Regarding this, is 17% on Turnitin high?

The number itself is useless for “good" or “bad" determination. It means that 17% of your text is found elsewhere. It's high enough that I would check out the report were I your teacher.

Is 21 on Turnitin bad?

This report shows a similarity score of 21%. There are a couple of larger matches to single sources. The larger percentage sources will need to be investigated to ensure they are referenced correctly. If this is a long assignment then even 1% matches will need to be checked to see if they have been referenced properly.

Is Turnitin 25 similarity bad?

The acceptable Turnitin percentage is anything below 25% in the similarity report. A Turnitin plagiarism score of 25% and below shows that your paper is original.

Is Turnitin 27 similarity bad?

Turnitin similarity score is considered bad if it is beyond 30% on the originality report, and the matching content is not cited and referenced.

Is turnitin 50 similarity bad?

Average similarity index – up to about 50% of matches

It is quite normal for an essay to have up to 50% of matches to other items; or even more. This does not mean you are guilty of plagiarism.

Is 17 a good turnitin score?

Generally, 17% similarity is not bad, but higher that what most universities like to see at ~10%. Regardless of the percentage, faculty will often review the associated originality report to see what the similarity consists of.

Is red bad on Turnitin?

This is not good and needs significant revision whether or not plagiarism has taken place. Red means 75% - 100% of the paper matched an outside source. If you see this, first make sure the paper is not matching up with an earlier version of the same paper that got added to the Turnitin repository.

Is turnitin 30 similarity bad?

Turnitin similarity score is considered bad if it is beyond 30% on the originality report, and the matching content is not cited and referenced.

Why is my Turnitin similarity so high?

A high percentage could mean that you are in presence of a serious case of plagiarism or it could also be due to another reason: sometimes it can happen that the same document is uploaded on the database more than once (i.e. a thesis draft and the final version of the same thesis).

Is turnitin 35 similarity bad?

Turnitin similarity score is considered bad if it is beyond 30% on the originality report, and the matching content is not cited and referenced. If you have a report you deem as bad, you need to remove the plagiarism.

What percentage of Turnitin is acceptable?

What is Acceptable Turnitin Similarity Percentage or Score? If you want to make sure that your content is not rejected due to plagiarism, you should keep your turnitin percentage nearly 20% to 30%. Turnitin score of 20% is ideal score and is acceptable almost everywhere.

What does red mean on Turnitin?

orange (50-74% similarity index) red (75-100% similarity index) clock (Turnitin report is still pending)

What does purple mean on Turnitin?

What does purple mean in Turnitin? One great way to use these various highlights is to color-code your feedback—for example, blue may be constructive feedback, green can be positive reinforcement, yellow can be be comments on composition, pink may be comments on format, and purple can be comments on grammar. …

Does Turnitin detect paraphrasing?

Turnitin does not flag essays that include plagiarized ideas or concepts, nor can it detect paraphrasing that dramatically changes the wording of an original source while maintaining that source's organization.

How do I reduce similarity on Turnitin?

5 ways How to Reduce Similarity on Turnitin
  1. Cite your sources to avoid plagiarism.
  2. Use Quotation marks to reduce similarity.
  3. Avoid too many quotes.
  4. Paraphrase thoroughly to remove plagiarism.
  5. Avoid copying word-to-word.

What does 15 similarity mean on Turnitin?

Your similarity score shows you what percentage of your text is found within sources in the comparison database. For example, if your score is 15%, then 15% of the content you wrote is unoriginal, as it matches text in the database.

Is 25 percent on Turnitin bad?

The acceptable Turnitin percentage is anything below 25% in the similarity report. A Turnitin plagiarism score of 25% and below shows that your paper is original. It also shows that your work is underpinned by enough sources, especially when well-cited and referenced.

What does 20 similarity mean on Turnitin?

A student may have used Turnitin to submit drafts of the same paper, meaning their final draft has resulted in a score of 100%. A student has copied and pasted a chunk of text into their paper, due to a lack of knowledge on the topic they are covering. Their similarity score is 20%.

How reliable is Turnitin?

Turnitin is the most reliable similarity index checker. One can always be sure of the percentage similarity in their work and do not have to worry about cases of unacceptable plagiarism rate.

Is turnitin 23 bad?

Green indicates matches between 1% and 24% and is the most common. While a Green score might suggest the document is OK, it is simply an indication of the amount of matched text, so potentially, up to 24% of the document could still have been copied without referencing. Yellow –25% – 49% matching text.

Can turnitin detect images 2021?

Turnitin does not check pictures or detect images and screenshots. This is because the algorithm is designed to detect text that is highlightable, and the text in the image file cannot be highlighted. At the same time, Turnitin does not support images within its allowed types of files.

What is a bad Unicheck score?

Because of this, you can generally follow these guidelines: A score higher than 10% is troublesome. A score between 5% and 10% it is not bad per se. A score around 5% is reasonable.

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Is turnitin 18 percent similarity bad?