Slovak Institute of Metrology (SMU) is Slovakia's national metrology institution that carries out activities within competences of a state administration body, scientific, research, norm-setting activities as well as direct services related to submission of units, physical and technical quantities´ scales and certificated reference materials. In compliance with long-term mission the main attention is oriented to handle tasks to develop, improve and maintain national etalons and to harmonize their quality with etalons of the other national metrology institutions. An important part of institute’s activities is made by metrology services which are provided on high professional level. 

The SMU provides the uniformity and correctness of measurement of physical and technical quantities by using the measurement standards, the verified and calibrated measuring instruments and certified reference materials respectively.

The SMU activities cover the following: competence of the body of state administration, scientific-research activities,
normative activities, metrological services related to transfer of the unit of physical quantities and to a production of reference materials.

The SMU provides obligatory tasks of Slovakia resulting from the EU membership, from memberships in international metrological organizations e. g. BIPM, CIPM, OIML, EUROMET, COOMET and from the international agreements and contracts.