Kalman filter

Quality:

Kalman filter - algorithm that estimates unknowns from a series of measurements over time. Article “Kalman filter” in English Wikipedia has 67.8 points for quality (as of July 1, 2025). The article contains 105 references and 46 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 7.54 points.

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

In June 2025 the article “Kalman filter” was edited by 1 authors in English Wikipedia and written by 6 authors in all languages.

Since the creation of article “Kalman filter”, its content was written by 448 registered users of English Wikipedia and edited by 1188 registered Wikipedia users in all languages.

The article is cited 312 times in English Wikipedia and cited 1158 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1479 in February 2005
• Global: #4810 in February 2005

The highest popularity rank from 2008:

• Local (English): #8185 in April 2015
• Global: #12938 in April 2015

There are 32 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) Kalman filter		67.8392
2	Ukrainian (uk) Фільтр Калмана		53.1753
3	German (de) Kalman-Filter		51.5463
4	Persian (fa) فیلتر کالمان		50.8322
5	Chinese (zh) 卡尔曼滤波		47.7519
6	Estonian (et) Kalmani filter		39.9287
7	Russian (ru) Фильтр Калмана		35.5012
8	Portuguese (pt) Filtro de Kalman		32.15
9	Korean (ko) 칼만 필터		28.4415
10	Swedish (sv) Kalmanfilter		26.1247

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

#	Language	Popularity award	Relative popularity
1	English (en) Kalman filter		10 434 600
2	German (de) Kalman-Filter		1 228 996
3	Chinese (zh) 卡尔曼滤波		899 203
4	Japanese (ja) カルマンフィルター		871 836
5	Russian (ru) Фильтр Калмана		686 218
6	French (fr) Filtre de Kalman		617 886
7	Spanish (es) Filtro de Kalman		378 840
8	Korean (ko) 칼만 필터		293 273
9	Italian (it) Filtro di Kalman		291 234
10	Polish (pl) Filtr Kalmana		227 042

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) Kalman filter		43 301
2	German (de) Kalman-Filter		4 296
3	Chinese (zh) 卡尔曼滤波		3 246
4	French (fr) Filtre de Kalman		3 033
5	Russian (ru) Фильтр Калмана		2 813
6	Japanese (ja) カルマンフィルター		2 248
7	Spanish (es) Filtro de Kalman		1 218
8	Italian (it) Filtro di Kalman		1 141
9	Korean (ko) 칼만 필터		972
10	Polish (pl) Filtr Kalmana		759

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

#	Language	AI award	Relative AI
1	English (en) Kalman filter		448
2	German (de) Kalman-Filter		127
3	French (fr) Filtre de Kalman		72
4	Italian (it) Filtro di Kalman		61
5	Chinese (zh) 卡尔曼滤波		52
6	Russian (ru) Фильтр Калмана		49
7	Persian (fa) فیلتر کالمان		38
8	Dutch (nl) Kalman-filter		36
9	Japanese (ja) カルマンフィルター		35
10	Polish (pl) Filtr Kalmana		31

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	German (de) Kalman-Filter		2
2	English (en) Kalman filter		1
3	Portuguese (pt) Filtro de Kalman		1
4	Serbian (sr) Kalmanov filter		1
5	Vietnamese (vi) Bộ lọc Kalman		1
6	Arabic (ar) مرشح كالمان		0
7	Catalan (ca) Filtre de Kalman		0
8	Czech (cs) Kálmánův filtr		0
9	Esperanto (eo) Filtrilo de Kalman		0
10	Spanish (es) Filtro de Kalman		0

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

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

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