Welcome - BIPM

What is the BIPM? part 1

The BIPM is...

the international organization established by the Metre Convention in 1875, through which Member States act together on matters related to measurement science and measurement standards

the home of the International System of Units (SI) and the international reference time scale (UTC).

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News

SAVE THE DATE

We are looking forward to welcoming you to Paris and Versailles, or online, for a series of special events on 20, 21 and 22 May 2025 to celebrate the 150th anniversary of the signing of the Metre Convention.

NMI Directors’ Workshop Highlights AI as a Key Topic for Metrology

One of the most popular sessions at the workshop was the intersection of AI and metrology, focusing on how precise measurement can enhance the control and quality of AI systems.

BIPM Concludes First Young Metrologists Programme: A Vision for 2050+

The BIPM has proudly concluded its first-ever Young Metrologists’ 2050+ Vision programme, a milestone initiative designed to capture and inspire innovative ideas from the next generation of metrology leaders.

New Pilot Study Enhances Accuracy of AC Voltage Comparisons

The BIPM and NIST have successfully conducted a new pilot study, marking a significant advancement in the accuracy and reliability of ac voltage comparisons. This achievement represents a major step forward for on-site comparisons of ac voltages.

SUBMIT YOUR POSTER: Competition for 150 Years of the Metre Convention!

We are excited to announce an open call for poster submissions on key metrology challenges, as part of the 150th anniversary of the Metre Convention.

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Job vacancies

Current vacancies

Director of the BIPM

Executive Secretary of the JCRB - Two-year secondment

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Reports and announcements

Young Metrologists' 2050+ Vision

Decisions of Session III of the 113th meeting of the CIPM

Report of Session II of the 113th meeting of the CIPM (2024)

Report of the 26th meeting of the CCU (2024)

Report of the 29th meeting of the CCQM (2024)

Annual Review Supplement - Activities of the BIPM Departments 2023

BIPM Annual Review 2023/2024

What is the BIPM? part 2

Our mission and objectives

The BIPM's vision is to be universally recognized as the world focus for the international system of measurement.

The BIPM's mission is to work with the National Metrology Institutes of its Member States, the Regional Metrology Organizations and strategic partners world-wide and to use its international and impartial status to promote and advance the global comparability of measurements for:

Scientific discovery and innovation
Industrial manufacturing and international trade
Improving the quality of life and sustaining the global environment.

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