As of 17 August 2016, there are 58 Member States and 41 Associate States and Economies.
	List of Member States:   see Associate States and Economies   Argentina Indonesia Russian Federation Australia Iran (Islamic Republic of) Saudi Arabia Austria Iraq Serbia Belgium Ireland Singapore Brazil Israel Slovakia Bulgaria Italy Slovenia Canada Japan South Africa Chile Kazakhstan Spain China Kenya Sweden Colombia Korea (Republic of) Switzerland Croatia Lithuania Thailand Czech Republic Malaysia Tunisia Denmark Mexico Turkey Egypt Netherlands United Arab Emirates Finland New Zealand United Kingdom France Norway United States of America Germany Pakistan Uruguay Greece Poland Venezuela (Bolivarian Rep. of) Hungary Portugal   India Romania

Summary Notice of Contributions Calculating Member State contributions Procedure for a State to accede to the Metre Convention and become a Member State Basic texts The original signatories

Governance Text of the Metre Convention, other basic texts, and the BIPM Compendium Notice of Contributions CIPM publications Calculating Member State contributions

Meetings: NMI Directors and State Representatives