Scimago Journal & Country Rank


Country United Kingdom  - SIR icon SIR Ranking of United 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.


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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)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
Engineering (miscellaneous)2017Q1

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)19990.576
Cites / Doc. (4 years)20000.819
Cites / Doc. (4 years)20010.734
Cites / Doc. (4 years)20020.623
Cites / Doc. (4 years)20031.086
Cites / Doc. (4 years)20041.251
Cites / Doc. (4 years)20052.158
Cites / Doc. (4 years)20061.796
Cites / Doc. (4 years)20071.959
Cites / Doc. (4 years)20081.620
Cites / Doc. (4 years)20091.873
Cites / Doc. (4 years)20101.803
Cites / Doc. (4 years)20111.761
Cites / Doc. (4 years)20122.143
Cites / Doc. (4 years)20131.915
Cites / Doc. (4 years)20142.647
Cites / Doc. (4 years)20152.291
Cites / Doc. (4 years)20162.293
Cites / Doc. (4 years)20171.790
Cites / Doc. (3 years)19990.576
Cites / Doc. (3 years)20000.898
Cites / Doc. (3 years)20010.708
Cites / Doc. (3 years)20020.656
Cites / Doc. (3 years)20031.244
Cites / Doc. (3 years)20041.494
Cites / Doc. (3 years)20052.185
Cites / Doc. (3 years)20061.761
Cites / Doc. (3 years)20071.948
Cites / Doc. (3 years)20081.652
Cites / Doc. (3 years)20092.064
Cites / Doc. (3 years)20101.722
Cites / Doc. (3 years)20111.836
Cites / Doc. (3 years)20122.091
Cites / Doc. (3 years)20132.070
Cites / Doc. (3 years)20142.716
Cites / Doc. (3 years)20152.200
Cites / Doc. (3 years)20162.538
Cites / Doc. (3 years)20171.718
Cites / Doc. (2 years)19990.680
Cites / Doc. (2 years)20000.863
Cites / Doc. (2 years)20010.631
Cites / Doc. (2 years)20020.720
Cites / Doc. (2 years)20031.262
Cites / Doc. (2 years)20041.503
Cites / Doc. (2 years)20052.240
Cites / Doc. (2 years)20061.548
Cites / Doc. (2 years)20071.947
Cites / Doc. (2 years)20081.878
Cites / Doc. (2 years)20091.712
Cites / Doc. (2 years)20101.794
Cites / Doc. (2 years)20111.780
Cites / Doc. (2 years)20122.344
Cites / Doc. (2 years)20132.020
Cites / Doc. (2 years)20142.617
Cites / Doc. (2 years)20152.251
Cites / Doc. (2 years)20162.424
Cites / Doc. (2 years)20171.693
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 Cites2000135
Self Cites200146
Self Cites200249
Self Cites200395
Self Cites200477
Self Cites200585
Self Cites2006169
Self Cites2007145
Self Cites2008126
Self Cites2009139
Self Cites2010121
Self Cites201192
Self Cites2012126
Self Cites2013112
Self Cites2014214
Self Cites2015202
Self Cites2016217
Self Cites2017256
Total Cites1999144
Total Cites2000246
Total Cites2001238
Total Cites2002183
Total Cites2003306
Total Cites2004357
Total Cites2005568
Total Cites2006611
Total Cites2007715
Total Cites2008636
Total Cites2009706
Total Cites2010575
Total Cites2011584
Total Cites2012646
Total Cites2013681
Total Cites2014861
Total Cites2015880
Total Cites20161023
Total Cites2017866
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 document19990.448
External Cites per document20000.405
External Cites per document20010.571
External Cites per document20020.480
External Cites per document20030.858
External Cites per document20041.172
External Cites per document20051.858
External Cites per document20061.274
External Cites per document20071.553
External Cites per document20081.325
External Cites per document20091.658
External Cites per document20101.359
External Cites per document20111.547
External Cites per document20121.683
External Cites per document20131.729
External Cites per document20142.041
External Cites per document20151.695
External Cites per document20162.000
External Cites per document20171.210
Cites per document19990.576
Cites per document20000.898
Cites per document20010.708
Cites per document20020.656
Cites per document20031.244
Cites per document20041.494
Cites per document20052.185
Cites per document20061.761
Cites per document20071.948
Cites per document20081.652
Cites per document20092.064
Cites per document20101.722
Cites per document20111.836
Cites per document20122.091
Cites per document20132.070
Cites per document20142.716
Cites per document20152.200
Cites per document20162.538
Cites per document20171.718
% 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 documents201610
Non-citable documents201712
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 documents2011318
Citable documents2012309
Citable documents2013329
Citable documents2014317
Citable documents2015400
Citable documents2016403
Citable documents2017504
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 documents1999166
Uncited documents2000148
Uncited documents2001198
Uncited documents2002184
Uncited documents2003128
Uncited documents2004129
Uncited documents2005105
Uncited documents2006167
Uncited documents2007147
Uncited documents2008188
Uncited documents2009127
Uncited documents2010136
Uncited documents2011128
Uncited documents2012120
Uncited documents2013117
Uncited documents201492
Uncited documents2015169
Uncited documents2016150
Uncited documents2017241
Cited documents199985
Cited documents2000126
Cited documents2001140
Cited documents2002103
Cited documents2003133
Cited documents2004129
Cited documents2005171
Cited documents2006192
Cited documents2007231
Cited documents2008209
Cited documents2009226
Cited documents2010207
Cited documents2011197
Cited documents2012201
Cited documents2013224
Cited documents2014236
Cited documents2015239
Cited documents2016263
Cited documents2017275
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