Annulus (mathematics)

Annulus - geometric surface defined by two concentric circles. Article "Annulus (mathematics)" in English Wikipedia has 19.5 points for quality (as of July 1, 2025). The article contains 1 references and 5 sections.

This article has the best quality in Russian Wikipedia. However, this article is the most popular in English version.

Since the creation of article "Annulus (mathematics)", its content was written by 82 registered users of English Wikipedia and edited by 454 registered Wikipedia users in all languages.

The article is cited 345 times in English Wikipedia and cited 1283 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #17622 in March 2004
• Global: #25770 in October 2008

The highest popularity rank from 2008:

• Local (English): #69634 in August 2017
• Global: #64824 in May 2012

There are 30 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Russian (ru) Кольцо (геометрия)		48.0902
2	Greek (el) Δακτύλιος (μαθηματικά)		36.787
3	German (de) Kreisring		35.2713
4	Vietnamese (vi) Hình vành khăn		23.3501
5	Polish (pl) Pierścień kołowy		20.8795
6	Swedish (sv) Cirkelring		20.0878
7	English (en) Annulus (mathematics)		19.5339
8	Indonesian (id) Anulus (matematika)		18.1521
9	Finnish (fi) Annulus		14.9964
10	Arabic (ar) حلقة (هندسة رياضية)		12.7153

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Annulus (mathematics)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Annulus (mathematics)		1 297 725
2	Spanish (es) Corona circular		792 419
3	German (de) Kreisring		426 188
4	Italian (it) Corona circolare		260 885
5	Russian (ru) Кольцо (геометрия)		112 977
6	Polish (pl) Pierścień kołowy		101 880
7	Japanese (ja) アニュラス		88 912
8	Portuguese (pt) Coroa circular		81 435
9	French (fr) Couronne (géométrie)		61 056
10	Czech (cs) Mezikruží		54 803

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Annulus (mathematics)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Annulus (mathematics)		4 424
2	German (de) Kreisring		684
3	Japanese (ja) アニュラス		621
4	Spanish (es) Corona circular		557
5	Vietnamese (vi) Hình vành khăn		337
6	Russian (ru) Кольцо (геометрия)		309
7	Chinese (zh) 环形		258
8	French (fr) Couronne (géométrie)		235
9	Italian (it) Corona circolare		182
10	Czech (cs) Mezikruží		134

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Annulus (mathematics)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Annulus (mathematics)		82
2	German (de) Kreisring		66
3	Italian (it) Corona circolare		46
4	Spanish (es) Corona circular		40
5	Russian (ru) Кольцо (геометрия)		27
6	French (fr) Couronne (géométrie)		25
7	Hebrew (he) טבעת (גאומטריה)		16
8	Dutch (nl) Cirkelring		16
9	Polish (pl) Pierścień kołowy		14
10	Czech (cs) Mezikruží		13

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Annulus (mathematics)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Greek (el) Δακτύλιος (μαθηματικά)		2
2	Spanish (es) Corona circular		1
3	Arabic (ar) حلقة (هندسة رياضية)		0
4	Catalan (ca) Corona circular		0
5	Czech (cs) Mezikruží		0
6	Danish (da) Annulus (matematik)		0
7	German (de) Kreisring		0
8	English (en) Annulus (mathematics)		0
9	Esperanto (eo) Ringo (geometrio)		0
10	Estonian (et) Rõngas		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Annulus (mathematics)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Annulus (mathematics)		345
2	Chinese (zh) 环形		145
3	Arabic (ar) حلقة (هندسة رياضية)		84
4	Polish (pl) Pierścień kołowy		71
5	Italian (it) Corona circolare		69
6	Russian (ru) Кольцо (геометрия)		64
7	Japanese (ja) アニュラス		58
8	German (de) Kreisring		57
9	Spanish (es) Corona circular		52
10	Greek (el) Δακτύλιος (μαθηματικά)		48

More...

#	Language	Value
ar	Arabic حلقة (هندسة رياضية)
ca	Catalan Corona circular
cs	Czech Mezikruží
da	Danish Annulus (matematik)
de	German Kreisring
el	Greek Δακτύλιος (μαθηματικά)
en	English Annulus (mathematics)
eo	Esperanto Ringo (geometrio)
es	Spanish Corona circular
et	Estonian Rõngas
eu	Basque Koroa zirkular
fa	Persian طوق (ریاضیات)
fi	Finnish Annulus
fr	French Couronne (géométrie)
he	Hebrew טבעת (גאומטריה)
hy	Armenian Օղակ (երկրաչափություն)
id	Indonesian Anulus (matematika)
it	Italian Corona circolare
ja	Japanese アニュラス
nl	Dutch Cirkelring
pl	Polish Pierścień kołowy
pt	Portuguese Coroa circular
ro	Romanian Coroană circulară
ru	Russian Кольцо (геометрия)
sl	Slovenian Kolobar
sv	Swedish Cirkelring
ta	Tamil வட்டவலையம்
uk	Ukrainian Кільце (геометрія)
vi	Vietnamese Hình vành khăn
zh	Chinese 环形

Best Rank

English: #69634 08.2017

Global: #64824 05.2012

Best Rank

English: #17622 03.2004

Global: #25770 10.2008

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information