Scale factor (cosmology)

Scale factor - parameter which characterizes the expansion of the universe. Article "Scale factor (cosmology)" in English Wikipedia has 30.9 points for quality (as of July 1, 2025). The article contains 16 references and 9 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

Since the creation of article "Scale factor (cosmology)", its content was written by 95 registered users of English Wikipedia and edited by 242 registered Wikipedia users in all languages.

The article is cited 105 times in English Wikipedia and cited 379 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #44042 in March 2013
• Global: #7635 in March 2003

The highest popularity rank from 2008:

• Local (English): #118068 in April 2015
• Global: #181384 in April 2015

There are 19 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	English (en) Scale factor (cosmology)		30.8547
2	Slovenian (sl) Skalirni faktor (kozmologija)		29.2769
3	Catalan (ca) Factor d'escala		27.4254
4	Portuguese (pt) Fator de escala (cosmologia)		24.8952
5	Italian (it) Fattore di scala		23.992
6	Chinese (zh) 宇宙標度因子		20.8929
7	Persian (fa) فاکتور مقیاس		16.3593
8	French (fr) Facteur d'échelle		13.7442
9	Swedish (sv) Skalfaktor		13.7228
10	Japanese (ja) スケール因子 (宇宙論)		12.7474

More...

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

The most popular language versions of the article "Scale factor (cosmology)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Scale factor (cosmology)		897 720
2	French (fr) Facteur d'échelle		53 847
3	German (de) Skalenfaktor		50 187
4	Polish (pl) Czynnik skali		26 799
5	Chinese (zh) 宇宙標度因子		18 965
6	Japanese (ja) スケール因子 (宇宙論)		17 012
7	Korean (ko) 척도인자		16 437
8	Arabic (ar) عامل تحجيم		8 970
9	Hebrew (he) פרמטר הסקלה של היקום		8 657
10	Swedish (sv) Skalfaktor		8 418

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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 "Scale factor (cosmology)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Scale factor (cosmology)		4 707
2	French (fr) Facteur d'échelle		249
3	German (de) Skalenfaktor		157
4	Chinese (zh) 宇宙標度因子		146
5	Italian (it) Fattore di scala		131
6	Japanese (ja) スケール因子 (宇宙論)		113
7	Korean (ko) 척도인자		65
8	Portuguese (pt) Fator de escala (cosmologia)		58
9	Russian (ru) Масштабный коэффициент (космология)		58
10	Polish (pl) Czynnik skali		48

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Scale factor (cosmology)		95
2	German (de) Skalenfaktor		25
3	French (fr) Facteur d'échelle		24
4	Polish (pl) Czynnik skali		13
5	Chinese (zh) 宇宙標度因子		12
6	Hebrew (he) פרמטר הסקלה של היקום		11
7	Italian (it) Fattore di scala		9
8	Arabic (ar) عامل تحجيم		7
9	Catalan (ca) Factor d'escala		7
10	Finnish (fi) Skaalatekijä		7

More...

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

Language versions of the article "Scale factor (cosmology)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) عامل تحجيم		0
2	Catalan (ca) Factor d'escala		0
3	German (de) Skalenfaktor		0
4	English (en) Scale factor (cosmology)		0
5	Esperanto (eo) Universa skala faktoro		0
6	Persian (fa) فاکتور مقیاس		0
7	Finnish (fi) Skaalatekijä		0
8	French (fr) Facteur d'échelle		0
9	Hebrew (he) פרמטר הסקלה של היקום		0
10	Italian (it) Fattore di scala		0

More...

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

Language versions of the article "Scale factor (cosmology)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Scale factor (cosmology)		105
2	French (fr) Facteur d'échelle		50
3	Arabic (ar) عامل تحجيم		26
4	Korean (ko) 척도인자		26
5	Catalan (ca) Factor d'escala		24
6	Chinese (zh) 宇宙標度因子		22
7	Persian (fa) فاکتور مقیاس		18
8	German (de) Skalenfaktor		16
9	Italian (it) Fattore di scala		13
10	Japanese (ja) スケール因子 (宇宙論)		13

More...

#	Language	Value
ar	Arabic عامل تحجيم
ca	Catalan Factor d'escala
de	German Skalenfaktor
en	English Scale factor (cosmology)
eo	Esperanto Universa skala faktoro
fa	Persian فاکتور مقیاس
fi	Finnish Skaalatekijä
fr	French Facteur d'échelle
he	Hebrew פרמטר הסקלה של היקום
it	Italian Fattore di scala
ja	Japanese スケール因子 (宇宙論)
ko	Korean 척도인자
pl	Polish Czynnik skali
pt	Portuguese Fator de escala (cosmologia)
ru	Russian Масштабный коэффициент (космология)
sl	Slovenian Skalirni faktor (kozmologija)
sv	Swedish Skalfaktor
uk	Ukrainian Космологічний масштабний фактор
zh	Chinese 宇宙標度因子

Best Rank

English: #118068 04.2015

Global: #181384 04.2015

Best Rank

English: #44042 03.2013

Global: #7635 03.2003

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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