Kleinin pullo

Quality:

Klein bottle - type of non-orientable surface. Article “Kleinin pullo” in Finnish Wikipedia has 17.9 points for quality (as of July 1, 2026). The article contains 2 references and 2 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Finnish) language version.

Since the creation of article “Kleinin pullo”, its content was written by 22 registered users of Finnish Wikipedia and edited by 1154 registered Wikipedia users in all languages.

The article is cited 8 times in Finnish Wikipedia and cited 1139 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Finnish): #2287 in February 2020
• Global: #1335 in February 2002

The highest popularity rank from 2008:

• Local (Finnish): #3307 in April 2024
• Global: #13508 in May 2014

There are 38 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, 2026 (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	English (en) Klein bottle		58.9152
2	Romanian (ro) Sticla lui Klein		39.3842
3	Persian (fa) بطری کلاین		37.3757
4	Vietnamese (vi) Chai Klein		34.5265
5	Tamil (ta) கிளெய்ன் புட்டி		34.168
6	Esperanto (eo) Botelo de Klein		32.806
7	Slovenian (sl) Kleinova steklenica		32.5602
8	Catalan (ca) Ampolla de Klein		32.4059
9	Simple English (simple) Klein bottle		29.6453
10	French (fr) Bouteille de Klein		29.1549

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

#	Language	Popularity award	Relative popularity
1	English (en) Klein bottle		5 048 176
2	Russian (ru) Бутылка Клейна		1 444 247
3	Japanese (ja) クラインの壺		1 168 570
4	German (de) Kleinsche Flasche		753 442
5	Chinese (zh) 克莱因瓶		653 648
6	Spanish (es) Botella de Klein		577 689
7	French (fr) Bouteille de Klein		503 126
8	Polish (pl) Butelka Kleina		333 439
9	Italian (it) Bottiglia di Klein		298 567
10	Korean (ko) 클라인 병		146 572

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

#	Language	Popularity award	Relative popularity
1	English (en) Klein bottle		14 872
2	Russian (ru) Бутылка Клейна		2 850
3	Japanese (ja) クラインの壺		2 508
4	German (de) Kleinsche Flasche		2 283
5	Chinese (zh) 克莱因瓶		1 389
6	French (fr) Bouteille de Klein		1 233
7	Spanish (es) Botella de Klein		1 226
8	Italian (it) Bottiglia di Klein		1 183
9	Polish (pl) Butelka Kleina		1 060
10	Czech (cs) Kleinova láhev		335

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

#	Language	AI award	Relative AI
1	English (en) Klein bottle		296
2	German (de) Kleinsche Flasche		115
3	French (fr) Bouteille de Klein		95
4	Russian (ru) Бутылка Клейна		78
5	Japanese (ja) クラインの壺		58
6	Italian (it) Bottiglia di Klein		54
7	Polish (pl) Butelka Kleina		43
8	Chinese (zh) 克莱因瓶		40
9	Spanish (es) Botella de Klein		37
10	Swedish (sv) Kleinflaska		32

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

#	Language	AI award	Relative AI
1	English (en) Klein bottle		3
2	Arabic (ar) قارورة كلاين		1
3	Azerbaijani (az) Kleyn şüşəsi		0
4	Bulgarian (bg) Бутилка на Клайн		0
5	Catalan (ca) Ampolla de Klein		0
6	Czech (cs) Kleinova láhev		0
7	Danish (da) Kleinflaske		0
8	German (de) Kleinsche Flasche		0
9	Greek (el) Φιάλη του Κλάιν		0
10	Esperanto (eo) Botelo de Klein		0

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Finnish Wikipedia the most popular articles on that day were: Kongon demokraattinen tasavalta, Senegal, Erling Braut Haaland, Kongon tasavalta, Harry Kane, Jalkapallon maailmanmestaruuskilpailut 2026, Jalkapallon maailmanmestaruuskilpailut, Romelu Lukaku, Kylian Mbappé, Norsunluurannikko.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information