Fermi problem

en

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Fermi problem

Quality:

Fermi problem - estimation problem designed to teach dimensional analysis or approximation. Article “Fermi problem” in English Wikipedia has 18.5 points for quality (as of July 1, 2025). The article contains 6 references and 8 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 3.27 points.

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

Since the creation of article “Fermi problem”, its content was written by 131 registered users of English Wikipedia and edited by 348 registered Wikipedia users in all languages.

The article is cited 87 times in English Wikipedia and cited 235 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #1158 in December 2003
  • Global: #6814 in December 2003

The highest popularity rank from 2008:

  • Local (English): #13279 in February 2014
  • Global: #20557 in October 2014

There are 17 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Catalan (ca)
Problemes de Fermi
22.2871
2English (en)
Fermi problem
18.5333
3Portuguese (pt)
Problema de Fermi
15.9065
4Turkish (tr)
Fermi problemi
14.8908
5Thai (th)
ข้อปัญหาแฟร์มี
13.7793
6Hebrew (he)
בעיית פרמי
12.9899
7Arabic (ar)
مشكلة فيرمي
11.7586
8Japanese (ja)
フェルミ推定
11.3348
9Spanish (es)
Problema de Fermi
11.1183
10Persian (fa)
مسئله فرمی
9.4902
More...

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

Most popular in all the time

The most popular language versions of the article "Fermi problem" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Fermi problem
2 345 493
2Japanese (ja)
フェルミ推定
1 531 562
3German (de)
Fermi-Problem
341 379
4Spanish (es)
Problema de Fermi
200 846
5Chinese (zh)
费米问题
155 088
6Italian (it)
Problema di Fermi
95 313
7Korean (ko)
페르미 문제
76 868
8French (fr)
Estimation de Fermi
73 808
9Portuguese (pt)
Problema de Fermi
30 118
10Hebrew (he)
בעיית פרמי
20 638
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Fermi problem" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Fermi problem
7 585
2Japanese (ja)
フェルミ推定
4 601
3German (de)
Fermi-Problem
1 045
4Chinese (zh)
费米问题
581
5Spanish (es)
Problema de Fermi
347
6Italian (it)
Problema di Fermi
313
7French (fr)
Estimation de Fermi
302
8Korean (ko)
페르미 문제
122
9Portuguese (pt)
Problema de Fermi
119
10Hebrew (he)
בעיית פרמי
95
More...

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

The highest AI

Language versions of the article "Fermi problem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Fermi problem
131
2German (de)
Fermi-Problem
41
3Italian (it)
Problema di Fermi
25
4French (fr)
Estimation de Fermi
23
5Japanese (ja)
フェルミ推定
20
6Turkish (tr)
Fermi problemi
20
7Spanish (es)
Problema de Fermi
16
8Hebrew (he)
בעיית פרמי
15
9Chinese (zh)
费米问题
12
10Hindi (hi)
फर्मी का आकलन
9
More...

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

The highest AI in June 2025

Language versions of the article "Fermi problem" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
مشكلة فيرمي
0
2Catalan (ca)
Problemes de Fermi
0
3German (de)
Fermi-Problem
0
4English (en)
Fermi problem
0
5Spanish (es)
Problema de Fermi
0
6Persian (fa)
مسئله فرمی
0
7French (fr)
Estimation de Fermi
0
8Hebrew (he)
בעיית פרמי
0
9Hindi (hi)
फर्मी का आकलन
0
10Italian (it)
Problema di Fermi
0
More...

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

The highest CI

Language versions of the article "Fermi problem" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Fermi problem
87
2Chinese (zh)
费米问题
21
3Korean (ko)
페르미 문제
19
4Japanese (ja)
フェルミ推定
16
5Spanish (es)
Problema de Fermi
15
6Persian (fa)
مسئله فرمی
12
7Arabic (ar)
مشكلة فيرمي
11
8French (fr)
Estimation de Fermi
11
9German (de)
Fermi-Problem
8
10Italian (it)
Problema di Fermi
8
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
مشكلة فيرمي
caCatalan
Problemes de Fermi
deGerman
Fermi-Problem
enEnglish
Fermi problem
esSpanish
Problema de Fermi
faPersian
مسئله فرمی
frFrench
Estimation de Fermi
heHebrew
בעיית פרמי
hiHindi
फर्मी का आकलन
itItalian
Problema di Fermi
jaJapanese
フェルミ推定
koKorean
페르미 문제
ptPortuguese
Problema de Fermi
slSlovenian
Fermijev problem
thThai
ข้อปัญหาแฟร์มี
trTurkish
Fermi problemi
zhChinese
费米问题

Popularity rank trends

Best Rank English:
#13279
02.2014
Global:
#20557
10.2014

AI rank trends

Best Rank English:
#1158
12.2003
Global:
#6814
12.2003

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Fermi problem from Wikipedia articles about Enrico Fermi, Fermi paradox, Spherical cow, Back-of-the-envelope calculation and Drake equation. Whereas reading the article about Fermi problem people most often go to Wikipedia articles on Enrico Fermi, Drake equation, Fermi paradox, Back-of-the-envelope calculation and Spherical cow.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 12 August 2025

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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.

About WikiRank

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