*Article* **The Storage within Digital Calibration Certificates of Uncertainty Information Obtained Using a Monte Carlo Method**

**Ian Smith 1,\*, Yuhui Luo <sup>1</sup> and Daniel Hutzschenreuter <sup>2</sup>**

	- **\*** Correspondence: ian.smith@npl.co.uk

**Abstract:** Supplement 1 to the 'Guide to the expression of uncertainty of measurement' describes a Monte Carlo method as a general numerical approach to uncertainty evaluation. Application of the approach typically delivers a large number of values of the output quantity of interest from which summary information such as an estimate of the quantity, its associated standard uncertainty, and a coverage interval for the quantity can be obtained and reported. This paper considers the use of a Monte Carlo method for uncertainty evaluation in calibration, using two examples to demonstrate how so-called 'digital calibration certificates' can allow the complete set of results of a Monte Carlo calculation to be reported.

**Keywords:** digital calibration certificate; DCC; machine-readable; data communication; uncertainty; Monte Carlo method; MCM
