BIPM - GUM Supplements

The fundamental reference document, the Guide to the Expression of Uncertainty in Measurement (GUM), can be purchased from ISO.

JCGM Working Group 1 (JCGM-WG1) is producing a series of Supplements to the GUM. The first of these supplements, Supplement 1, has been approved and is available for download as a PDF file. Printed copies are available for purchase from ISO.

	Evaluation of measurement data – An introduction to the "Guide to the expression of uncertainty in measurement" and related documents
	Evaluation of measurement data – Supplement 1 to the "Guide to the expression of uncertainty in measurement" – Propagation of distributions using a Monte Carlo method
	Evaluation of measurement data – The role of measurement uncertainty in conformity assessment
	Evaluation of measurement data – Concepts and basic principles
	Evaluation of measurement data – Supplement 2 to the "Guide to the expression of uncertainty in measurement" – Models with any number of output quantities

The following documents are at an early stage of preparation:

	Evaluation of measurement data – Supplement 3 to the "Guide to the expression of uncertainty in measurement" – Modelling
	Evaluation of measurement data – Applications of the least-squares method