Invar

Invar - alloy of nickel and iron with low coefficient of thermal expansion. Article “Invar” in Catalan Wikipedia has 23.5 points for quality (as of July 1, 2026). The article contains 3 references and 2 sections.

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

Since the creation of article “Invar”, its content was written by 7 registered users of Catalan Wikipedia and edited by 617 registered Wikipedia users in all languages.

The article is cited 10 times in Catalan Wikipedia and cited 448 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Catalan): #4125 in July 2017
• Global: #11543 in April 2005

The highest popularity rank from 2008:

• Local (Catalan): #11632 in November 2025
• Global: #78518 in September 2014

There are 33 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) Invar		38.3055
2	Dutch (nl) Invar		34.7415
3	Spanish (es) Invar		32.7966
4	Croatian (hr) Invar		30.714
5	Chinese (zh) 不變鋼		30.4399
6	Japanese (ja) インバー		29.4349
7	Hebrew (he) אינבר		28.1523
8	Tamil (ta) இன்வார்		28.1334
9	Polish (pl) Inwar		27.0018
10	Serbo-Croatian (sh) Invar		26.4577

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

The most popular language versions of the article "Invar" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Invar		1 153 114
2	German (de) Invar		386 752
3	Japanese (ja) インバー		385 022
4	Russian (ru) Инвар		280 951
5	French (fr) Invar		218 966
6	Spanish (es) Invar		124 442
7	Dutch (nl) Invar		122 889
8	Polish (pl) Inwar		108 874
9	Italian (it) Invar		82 953
10	Chinese (zh) 不變鋼		60 878

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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 "Invar" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Invar		2 852
2	Russian (ru) Инвар		693
3	Japanese (ja) インバー		677
4	German (de) Invar		582
5	French (fr) Invar		508
6	Chinese (zh) 不變鋼		305
7	Polish (pl) Inwar		179
8	Italian (it) Invar		129
9	Spanish (es) Invar		113
10	Dutch (nl) Invar		92

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

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

#	Language	AI award	Relative AI
1	English (en) Invar		101
2	German (de) Invar		78
3	Dutch (nl) Invar		77
4	French (fr) Invar		65
5	Italian (it) Invar		39
6	Russian (ru) Инвар		32
7	Japanese (ja) インバー		26
8	Spanish (es) Invar		23
9	Finnish (fi) Invarteräs		22
10	Polish (pl) Inwar		17

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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 "Invar" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Croatian (hr) Invar		1
2	Uzbek (uz) Invar		1
3	Arabic (ar) إنفار		0
4	Belarusian (be) Інвар		0
5	Bulgarian (bg) Инвар		0
6	Catalan (ca) Invar		0
7	Czech (cs) Invar		0
8	German (de) Invar		0
9	Greek (el) Ινβάρ		0
10	English (en) Invar		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 "Invar" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Invar		70
2	French (fr) Invar		46
3	German (de) Invar		41
4	Japanese (ja) インバー		39
5	Spanish (es) Invar		34
6	Russian (ru) Инвар		31
7	Italian (it) Invar		16
8	Dutch (nl) Invar		16
9	Polish (pl) Inwar		15
10	Ukrainian (uk) Інвар		15

More...

#	Language	Value
ar	Arabic إنفار
be	Belarusian Інвар
bg	Bulgarian Инвар
ca	Catalan Invar
cs	Czech Invar
de	German Invar
el	Greek Ινβάρ
en	English Invar
eo	Esperanto Invaro
es	Spanish Invar
et	Estonian Invar
eu	Basque Invar
fa	Persian اینوار
fi	Finnish Invarteräs
fr	French Invar
he	Hebrew אינבר
hr	Croatian Invar
it	Italian Invar
ja	Japanese インバー
ko	Korean 인바
nl	Dutch Invar
pl	Polish Inwar
pt	Portuguese Invar
ro	Romanian Invar
ru	Russian Инвар
sh	Serbo-Croatian Invar
sk	Slovak Invar
sv	Swedish Invar
ta	Tamil இன்வார்
tr	Turkish İnvar
uk	Ukrainian Інвар
uz	Uzbek Invar
zh	Chinese 不變鋼

Best Rank

Catalan: #11632 11.2025

Global: #78518 09.2014

Best Rank

Catalan: #4125 07.2017

Global: #11543 04.2005

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 Catalan Wikipedia the most popular articles on that day were: República Democràtica del Congo, Rafael Yuste i Abel, Juan Fernández Benítez, Pere Casacuberta Camps, Rudi García, Marcel Lefebvre, Michael Olise, Marta Montaner Santomà, Vito Quiles, Fèlix el gat.

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