JCGM 100 - 2008 - Evaluation of measurement data - Guide to the expression of uncertainty in measurement

Sep 11, 2026

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JCGM 100:2008 provides a guide for evaluating measurement data and expressing uncertainty in measurement. It specifies official-version and translation requirements, including how translations must preserve the original formulae and units format and include mandated copyright and permission statements. The document details reproduction and commercial-use conditions, emphasizing that the JCGM and its member organizations protect international copyrights and do not assume liability for translation relevance, accuracy, completeness, or resulting damage.

LanguageEnglish

CategoryGeneral

FormatPDF

Pages134

Reading Time47 min

AccessFree to download

Preliminary

Contents Page

Copyrights

Official versions and translations

Reproduction

Disclaimer

JCGM 100:2008 GUM 1995 with minor corrections Evaluation of measurement data—Guide to the expression of uncertainty in measurement Évaluation des données de mesure—Guide pour l’expression de l’incertitude de mesure First edition September 2008 Document produced by Working Group 1 of the Joint Committee for Guides in Metrology (JCGM/WG 1) . Copyright of this document is shared jointly by the JCGM member organizations (BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML) . Document produit par le Groupe de travail 1 du Comité commun pour les guides en métrologie (JCGM/WG 1) . Les droits d’auteur relatifs à ce document sont la propriété conjointe des organisations membres du JCGM (BIPM, CEI, IFCC, ILAC, ISO, UICPA, UIPPA et OIML) . Copyrights Even if the electronic version of the 2008 edition of the GUM is available free of charge on the BIPM’s website ([www.bipm.org](www.bipm.org)), copyright of this document is shared jointly by the JCGM member organizations, and all respective logos and emblems are vested in them and are internationally protected. Third parties cannot rewrite or re-brand, issue or sell copies to the public, broadcast or use on-line this edition of the GUM. For all commercial use, reproduction or translation of this document and/or of the logos, emblems, publications or other creations contained therein, the prior written permission of the Director of the BIPM must be obtained. Droits d’auteur Même si une version électronique de l’édition 2008 du GUM peut être téléchargée gratuitement sur le site internet du BIPM ([www.bipm.org](www.bipm.org)), les droits d’auteur relatifs à ce document sont la propriété conjointe des organisations membres du JCGM et l’ensemble de leurs logos et emblèmes respectifsleur appartiennent et font l’objet d’une protection internationale. Les tiers ne peuvent réécrire ou modifier, distribuer ou vendre des copies au public, diffuser ou mettre en ligne, l’édition 2008 du GUM. Tout usage commercial, reproduction ou traduction de ce document et/ou des logos, emblèmes et/ou publications qu’il comporte, doit recevoirl’autorisation écrite préalable du directeur du BIPM. September 2008 JCGM 100:2008 GUM 1995 with minor corrections Evaluation of measurement data—Guide to the expression of uncertainty in measurement Évaluation des données de mesure—Guide pour l'expression de l'incertitude de mesure First edition 2008 Corrected version 2010 Copyright of this JCGM guidance document is shared jointly by the JCGM member organizations (BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML) . Copyright Even if electronic versions are available free of charge on the website of one or more of the JCGM member organizations, economic and moral copyrights related to all JCGM publications are internationally protected. The JCGM does not, without its written authorisation, permit third parties to rewrite or re-brand issues, to sell copies to the public, or to broadcast or use on-line its publications. Equally, the JCGM also objects to distortion, augmentation or mutilation of its publications, including its titles, slogans and logos, and those of its member organizations. Official versions and translations The only official versions of documents are those published by the JCGM, in their original languages. The JCGM’s publications may be translated into languages other than those in which the documents were originally published by the JCGM. Permission must be obtained from the JCGM before a translation can be made. All translations should respect the original and official format of the formulae and units (without any conversion to other formulae or units), and contain the following statement (to be translated into the chosen language): All JCGM’s products are internationally protected by copyright. This translation of the original JCGM document has been produced with the permission of the JCGM. The JCGM retains full internationally protected copyright on the design

FAQs

What is the purpose of JCGM 100:2008?

It provides guidance for evaluating measurement data and for the expression of uncertainty in measurement.

How are official versions and translations handled?

Only versions published by JCGM in the original languages are official; translations require prior permission and must preserve the original formulae and unit format while including a specific statement.

What are the rules for reproducing or using the document commercially?

Reproduction requires written permission granted by JCGM and must include a required permission statement; commercial use, reproduction, or translation also requires prior written permission from the BIPM Director.

Sep 11, 2026

Upload by Himbo