National Physical Laboratory

National Physical Laboratory

The National Physical Laboratory is the national measurement standards laboratory of the United Kingdom. It sets and maintains physical standards for British industry. Founded in 1900, the NPL is one of the oldest metrology institutes in the world. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for National Physical Laboratory, United Kingdom, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

36%


Total
Publications

9.4K


Total Open
Publications

3.4K


Total
Citations

236K


Open Access
Percentage

36%


Total
Publications

9.4K


Total Open
Publications

3.4K


Total
Citations

236K

Wikipedia

Website

download

Breakdown

14% 14% 7% 65%

Publisher Open

14%

Both

14%

Other Platform Open

7%

Closed

65%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

050100150200250300350400450500550Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

42%OA Journal

OA Journal 42%

1.1K

Hybrid 38%

985

No Guarantees 20%

498

Other Platform Open

Institution 57%

1.1K

Domain 27%

538

Preprint 21%

419

Other Internet 16%

322

Public 3%

59

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
532
arXiv
Preprint
396
DOI
Other Internet
271
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
224
Elsevier - Scopus
Institution
159
U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
154
IRIS Istituto Nazionale di Ricerca Metrologica - CINECA IRIS Institutional Research Information System
Institution
65
University of Nottingham - Repository@Nottingham
Institution
54
DANS - Data Archiving and Networked Services
Institution
51
Unknown Repository
Other Internet
48
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Data updated 18 August 2025

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