Conservation of mass

Quality:

Conservation of mass - scientific law that a closed system's mass remains constant. Article “Conservation of mass” in Simple English Wikipedia has 17.4 points for quality (as of July 1, 2026). The article contains 3 references and 3 sections.

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

In June 2026 the article “Conservation of mass” was edited by 1 authors in Simple English Wikipedia (4179^th place) and written by 9 authors in all languages.

Since the creation of article “Conservation of mass”, its content was written by 32 registered users of Simple English Wikipedia (6351^st place) and edited by 2046 registered Wikipedia users in all languages.

The article is cited 30 times in Simple English Wikipedia and cited 2256 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #80 in March 2016
• Global: #1635 in September 2009

The highest popularity rank from 2008:

• Local (Simple English): #494 in October 2015
• Global: #5188 in September 2009

There are 48 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	Catalan (ca) Llei de conservació de la massa		50.3647
2	Spanish (es) Ley de conservación de la materia		41.8434
3	English (en) Conservation of mass		33.7753
4	Serbian (sr) Zakon o održanju mase		32.4249
5	Persian (fa) پایستگی جرم		31.6329
6	German (de) Massenerhaltungssatz		30.4673
7	Polish (pl) Prawo zachowania masy		29.9948
8	Russian (ru) Закон сохранения массы		25.4679
9	Tamil (ta) திணிவுக் காப்பு விதி		23.609
10	Lithuanian (lt) Masių tvermės dėsnis		23.478

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

#	Language	Popularity award	Relative popularity
1	Spanish (es) Ley de conservación de la materia		8 752 594
2	English (en) Conservation of mass		5 947 604
3	Portuguese (pt) Conservação da massa		1 056 824
4	Japanese (ja) 質量保存の法則		984 578
5	Russian (ru) Закон сохранения массы		889 644
6	Indonesian (id) Hukum kekekalan massa		765 803
7	Italian (it) Legge della conservazione della massa (fisica)		668 962
8	French (fr) Conservation de la masse		563 134
9	German (de) Massenerhaltungssatz		477 655
10	Turkish (tr) Kütlenin korunumu yasası		452 603

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) Conservation of mass		6 053
2	Spanish (es) Ley de conservación de la materia		2 930
3	Japanese (ja) 質量保存の法則		1 676
4	Italian (it) Legge della conservazione della massa (fisica)		806
5	Russian (ru) Закон сохранения массы		804
6	Chinese (zh) 质量守恒定律		793
7	French (fr) Conservation de la masse		561
8	German (de) Massenerhaltungssatz		542
9	Korean (ko) 질량 보존 법칙		389
10	Portuguese (pt) Conservação da massa		365

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

#	Language	AI award	Relative AI
1	English (en) Conservation of mass		560
2	Spanish (es) Ley de conservación de la materia		196
3	German (de) Massenerhaltungssatz		151
4	French (fr) Conservation de la masse		92
5	Italian (it) Legge della conservazione della massa (fisica)		85
6	Russian (ru) Закон сохранения массы		75
7	Portuguese (pt) Conservação da massa		57
8	Vietnamese (vi) Định luật bảo toàn khối lượng		54
9	Hebrew (he) חוק שימור החומר		53
10	Turkish (tr) Kütlenin korunumu yasası		53

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	Spanish (es) Ley de conservación de la materia		2
2	Serbian (sr) Zakon o održanju mase		2
3	Catalan (ca) Llei de conservació de la massa		1
4	Persian (fa) پایستگی جرم		1
5	Simple English (simple) Conservation of mass		1
6	Tamil (ta) திணிவுக் காப்பு விதி		1
7	Uzbek (uz) Massalar saqlanish qonuni		1
8	Arabic (ar) قانون حفظ الكتلة		0
9	Belarusian (be) Закон захавання масы		0
10	Bulgarian (bg) Закон за запазване на масата		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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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