F-number

Quality:

F-number - ratio of the focal length to the diameter of the entrance pupil. Article "F-number" in English Wikipedia has 71.2 points for quality (as of July 1, 2025). The article contains 39 references and 20 sections.

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

In June 2025 the article "F-number" was edited by 2 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article "F-number", its content was written by 383 registered users of English Wikipedia and edited by 888 registered Wikipedia users in all languages.

The article is cited 998 times in English Wikipedia and cited 3953 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #69 in January 2003
• Global: #347 in January 2003

The highest popularity rank from 2008:

• Local (English): #3956 in January 2011
• Global: #8104 in January 2011

There are 29 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	Hebrew (he) יחס מיקוד		83.148
2	English (en) F-number		71.2349
3	Greek (el) Αριθμός διαφράγματος ανοίγματος		51.2784
4	French (fr) Ouverture (photographie)		43.0904
5	Malay (ms) Nombor f (fotografi)		26.7044
6	Tamil (ta) குவிய விகிதம்		26.0519
7	Armenian (hy) Հարաբերական անցք		25.512
8	Chinese (zh) 焦比		25.1867
9	Indonesian (id) Bukaan (fotografi)		25.1592
10	Russian (ru) Относительное отверстие		25.0881

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

#	Language	Popularity award	Relative popularity
1	English (en) F-number		9 986 744
2	Japanese (ja) F値		1 477 828
3	Spanish (es) Número f (óptica)		785 503
4	French (fr) Ouverture (photographie)		604 334
5	Russian (ru) Относительное отверстие		480 900
6	Chinese (zh) 焦比		279 659
7	Italian (it) Rapporto focale		243 941
8	Dutch (nl) Diafragmagetal		196 492
9	Korean (ko) F 값		150 958
10	Indonesian (id) Bukaan (fotografi)		80 130

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) F-number		19 651
2	Japanese (ja) F値		2 056
3	French (fr) Ouverture (photographie)		1 184
4	Chinese (zh) 焦比		911
5	Spanish (es) Número f (óptica)		856
6	Russian (ru) Относительное отверстие		490
7	Italian (it) Rapporto focale		428
8	Korean (ko) F 값		264
9	Dutch (nl) Diafragmagetal		233
10	Hebrew (he) יחס מיקוד		189

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

#	Language	AI award	Relative AI
1	English (en) F-number		383
2	French (fr) Ouverture (photographie)		75
3	Russian (ru) Относительное отверстие		57
4	Dutch (nl) Diafragmagetal		50
5	Spanish (es) Número f (óptica)		41
6	Italian (it) Rapporto focale		35
7	Japanese (ja) F値		32
8	Chinese (zh) 焦比		27
9	Korean (ko) F 값		17
10	Czech (cs) Clonové číslo		15

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) F-number		2
2	Spanish (es) Número f (óptica)		2
3	Japanese (ja) F値		1
4	Arabic (ar) عدد البؤرة		0
5	Bulgarian (bg) Относителна апертура		0
6	Catalan (ca) Nombre f		0
7	Czech (cs) Clonové číslo		0
8	Greek (el) Αριθμός διαφράγματος ανοίγματος		0
9	Esperanto (eo) Relativa truo de objektivo		0
10	Basque (eu) F zenbakia (optika)		0

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

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

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