Scimago Journal & Country Rank


CountryUnited Kingdom
H Index
Subject Area and CategoryEngineering
Engineering (miscellaneous)
PublisherInstitute of Physics Publishing
Publication typeJournals
Scope Published 6 times per year, Metrologia covers the fundamentals of measurements, particularly those dealing with the seven base units of the International System of Units (metre, kilogram, second, ampere, kelvin, candela, mole) or proposals to replace them. The journal also publishes papers that contribute to the solution of difficult measurement problems and improve the accuracy of derived units and constants that are of fundamental importance to physics. In addition to regular papers, the journal publishes review articles, issues devoted to single topics of timely interest and occasional conference proceedings. Letters to the Editor and Short Communications (generally three pages or less) are also considered. (source)

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Engineering (miscellaneous)1997Q1
Engineering (miscellaneous)1998Q1
Engineering (miscellaneous)1999Q1
Engineering (miscellaneous)2000Q1
Engineering (miscellaneous)2001Q1
Engineering (miscellaneous)2002Q1
Engineering (miscellaneous)2003Q1
Engineering (miscellaneous)2004Q1
Engineering (miscellaneous)2005Q1
Engineering (miscellaneous)2006Q1
Engineering (miscellaneous)2007Q1
Engineering (miscellaneous)2008Q1
Engineering (miscellaneous)2009Q1
Engineering (miscellaneous)2010Q1
Engineering (miscellaneous)2011Q1
Engineering (miscellaneous)2012Q1
Engineering (miscellaneous)2013Q1
Engineering (miscellaneous)2014Q1
Engineering (miscellaneous)2015Q1
Engineering (miscellaneous)2016Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.560
Cites / Doc. (4 years)20000.810
Cites / Doc. (4 years)20010.726
Cites / Doc. (4 years)20020.608
Cites / Doc. (4 years)20031.062
Cites / Doc. (4 years)20041.231
Cites / Doc. (4 years)20052.143
Cites / Doc. (4 years)20061.779
Cites / Doc. (4 years)20071.948
Cites / Doc. (4 years)20081.628
Cites / Doc. (4 years)20091.793
Cites / Doc. (4 years)20101.796
Cites / Doc. (4 years)20111.734
Cites / Doc. (4 years)20122.121
Cites / Doc. (4 years)20131.873
Cites / Doc. (4 years)20142.636
Cites / Doc. (4 years)20152.222
Cites / Doc. (4 years)20162.275
Cites / Doc. (3 years)19990.560
Cites / Doc. (3 years)20000.887
Cites / Doc. (3 years)20010.705
Cites / Doc. (3 years)20020.642
Cites / Doc. (3 years)20031.211
Cites / Doc. (3 years)20041.473
Cites / Doc. (3 years)20052.165
Cites / Doc. (3 years)20061.744
Cites / Doc. (3 years)20071.937
Cites / Doc. (3 years)20081.660
Cites / Doc. (3 years)20091.982
Cites / Doc. (3 years)20101.716
Cites / Doc. (3 years)20111.804
Cites / Doc. (3 years)20122.065
Cites / Doc. (3 years)20132.034
Cites / Doc. (3 years)20142.713
Cites / Doc. (3 years)20152.165
Cites / Doc. (3 years)20162.520
Cites / Doc. (2 years)19990.657
Cites / Doc. (2 years)20000.858
Cites / Doc. (2 years)20010.627
Cites / Doc. (2 years)20020.704
Cites / Doc. (2 years)20031.238
Cites / Doc. (2 years)20041.486
Cites / Doc. (2 years)20052.215
Cites / Doc. (2 years)20061.539
Cites / Doc. (2 years)20071.944
Cites / Doc. (2 years)20081.882
Cites / Doc. (2 years)20091.693
Cites / Doc. (2 years)20101.781
Cites / Doc. (2 years)20111.737
Cites / Doc. (2 years)20122.313
Cites / Doc. (2 years)20131.996
Cites / Doc. (2 years)20142.631
Cites / Doc. (2 years)20152.207
Cites / Doc. (2 years)20162.411
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites199932
Self Cites2000134
Self Cites200146
Self Cites200249
Self Cites200394
Self Cites200477
Self Cites200585
Self Cites2006167
Self Cites2007145
Self Cites2008126
Self Cites2009139
Self Cites2010120
Self Cites201190
Self Cites2012126
Self Cites2013112
Self Cites2014214
Self Cites2015200
Self Cites2016215
Total Cites1999140
Total Cites2000243
Total Cites2001237
Total Cites2002179
Total Cites2003298
Total Cites2004352
Total Cites2005563
Total Cites2006605
Total Cites2007711
Total Cites2008639
Total Cites2009678
Total Cites2010573
Total Cites2011572
Total Cites2012636
Total Cites2013667
Total Cites2014860
Total Cites2015866
Total Cites20161018
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19990.432
External Cites per document20000.398
External Cites per document20010.568
External Cites per document20020.466
External Cites per document20030.829
External Cites per document20041.151
External Cites per document20051.838
External Cites per document20061.262
External Cites per document20071.542
External Cites per document20081.332
External Cites per document20091.576
External Cites per document20101.356
External Cites per document20111.521
External Cites per document20121.656
External Cites per document20131.692
External Cites per document20142.038
External Cites per document20151.665
External Cites per document20161.988
Cites per document19990.560
Cites per document20000.887
Cites per document20010.705
Cites per document20020.642
Cites per document20031.211
Cites per document20041.473
Cites per document20052.165
Cites per document20061.744
Cites per document20071.937
Cites per document20081.660
Cites per document20091.982
Cites per document20101.716
Cites per document20111.804
Cites per document20122.065
Cites per document20132.034
Cites per document20142.713
Cites per document20152.165
Cites per document20162.520
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19991
Non-citable documents20000
Non-citable documents20012
Non-citable documents20028
Non-citable documents200315
Non-citable documents200419
Non-citable documents200516
Non-citable documents200612
Non-citable documents200711
Non-citable documents200812
Non-citable documents200911
Non-citable documents20109
Non-citable documents20117
Non-citable documents201212
Non-citable documents201312
Non-citable documents201411
Non-citable documents20158
Non-citable documents20169
Citable documents1999250
Citable documents2000274
Citable documents2001336
Citable documents2002279
Citable documents2003246
Citable documents2004239
Citable documents2005260
Citable documents2006347
Citable documents2007367
Citable documents2008385
Citable documents2009342
Citable documents2010334
Citable documents2011317
Citable documents2012308
Citable documents2013328
Citable documents2014317
Citable documents2015400
Citable documents2016404
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999169
Uncited documents2000149
Uncited documents2001199
Uncited documents2002185
Uncited documents2003128
Uncited documents2004129
Uncited documents2005105
Uncited documents2006170
Uncited documents2007148
Uncited documents2008187
Uncited documents2009128
Uncited documents2010136
Uncited documents2011128
Uncited documents2012121
Uncited documents2013120
Uncited documents201496
Uncited documents2015171
Uncited documents2016154
Cited documents199982
Cited documents2000125
Cited documents2001139
Cited documents2002102
Cited documents2003133
Cited documents2004129
Cited documents2005171
Cited documents2006189
Cited documents2007230
Cited documents2008210
Cited documents2009225
Cited documents2010207
Cited documents2011196
Cited documents2012199
Cited documents2013220
Cited documents2014232
Cited documents2015237
Cited documents2016259
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