Member State: United States of America

The United States of America was one of the initial signatories of the Metre Convention (20 May 1875).
It ratified the Convention and became a Member State on 2 August 1878.
International recognition
BIPM services provided
Comparisons piloted by the BIPM
Calibration certificates issued by the BIPM
Search filter :
Calibration certificate No.44 (2019)
- US
- NIST
Calibration certificate No.24 (2015)
- US
Calibration certificate No.19 (2015)
- US
Calibration certificate No.55 (2014)
- US
- NIST
Calibration certificate No.54 (2014)
- US
- NIST
Calibration certificate No.53 (2014)
- US
- NIST
Calibration certificate No.47 (2013)
- US
CBKT
Nationals having participated in / benefited from the BIPM CBKT programme
Dr Ronaldo Minniti (NIST) - Participant
Dr Michael Mitch (NIST) - Participant
Dr Fiona Shiu - Participant
2022 - BIPM-SIM Training course: KCDB 2.0 (2022)
Dr Carlos Beauchamp (NIST) - Participant
Ms Sally Bruce (NIST) - Participant
Dr Tasshi Dennis (NIST) - Participant
Dr Ashley Green (NIST) - Participant
Dr Leonard Hanssen (NIST) - Participant
Dr Kimberly Harris (NIST) - Participant
Dr Claire M. Saundry (NIST) - Participant
Dr Meghan Shilling (NIST) - Participant
Mr Matthew Spidell (NIST) - Participant
Dr Catherine Cooksey (NIST) - Participant
Dr Douglas Olson (NIST) - Participant
KCDB 2.0 - TC Chairs in Chemistry and Biology (2022)
Dr Katrice Lippa (NIST) - Participant
Dr Cameron Miller (NIST) - Participant
Dr Weston Tew (NIST) - Participant
Dr Randall Wagner - Participant
2021 - BIPM-ILAC joint webinar: Mining KCDB 2.0 in the context of accreditation (2021)
Dr Helga Alexander - Participant
Dr Stephen Dale - Participant
Dr Erind Dollaku - Participant
Dr Ronnie Dunn - Participant
Dr Karen Garrity (NIST) - Participant
Dr Roger Geiger - Participant
Dr Jeff Guerrieri - Participant
Dr Jeff Gust - Participant
Dr Kari Harper - Participant
Dr Emil Hazarian - Participant
Dr Thomas Hettenhouser - Participant
Dr Devang Jhaveri - Participant
Dr Yakup Kalayci - Participant
Dr Anxhela Kanto - Participant
Dr Lisa R. Karam (NIST) - Participant
Dr Keith Klemm - Participant
Dr Robert Knake - Participant
Dr Emre Koyuncu - Participant
Ms Dana Leaman (NIST) - Participant
Dr Yeousong Lee - Participant
Dr Doug Leonard - Participant
Dr David Mayo - Participant
Dr Patrick McCullen - Participant
Dr Bob Miller - Participant
Dr Maria Nadal (NIST) - Participant
Dr Max Porter - Participant
Dr Patrick Sampson - Participant
Dr Titilayo Shodiya - Participant
Dr Bob Yencha - Participant
2021 - CBKT Webinar: Accelerating CARICOM engagement in the CIPM MRA (2021)
Mr Andrew Conn (NIST) - Participant
KCDB 2.0 - TC Chairs in General Physics and Ionizing Radiation (2020)
Dr Ronald Tosh (NIST) - Participant
Ms Jennifer Carney (NIST) - Participant
Dr John Molloy (NIST) - Participant
2019 - Optimizing the CIPM MRA (2019)
Dr Lizbeth Laureano-Perez (NIST) - Participant
2017 - Sound beginning in the CIPM MRA (2017)
Mr Jason Koehn - Lecturer
Dr Antonio Possolo (NIST) - Lecturer
2016 - Leaders of Tomorrow (2016)
Dr Barbara Goldstein (NIST) - Lecturer
Dr Gregory F. Strouse (NIST) - Lecturer
National institute having sponsored a BIPM CBKT initiative (in full or in part)
NIST
2016 - Leaders of Tomorrow
NIST
2017 - Sound beginning in the CIPM MRA