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National Measurement System

NMS Collage

The NMS section of this website and subpages has now transitioned to

The content is now available as a detailed guide about the NMS and a series of publications on the following links:

A guide to the national measurement system

NMS science programme reports

NMS economic impact reports

The future operation of NPL has also transitioned as a series of publications and announcements brought together on the following link:

Future operation of NPL

The current NMO website is due to close in April 2014 and our new corporate landing page of will become

The National Measurement System (NMS) is responsible for stimulating good measurement practice and enabling business to make accurate and traceable measurements, for the benefit of the nation. This is delivered through maintaining and developing the measurement infrastructure, representing the UK position internationally, enabling fair and safe competition, and providing support for innovation. The NMS is delivered through the national measurement institutes.

Good measurement practice results in a better quality of life, through improved trade and consumer protection, a healthier environment and more effective health and safety measures. It also improves the competitiveness of business both at home and in export. The NMS invests approximately £55m a year in maintaining and improving measurement in the UK.

Find out how measurement plays a vital role in our lives and our economy, and how the NMS Products and Services could help your business.

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Our mission

To provide policy support to Ministers on measurement issues and a measurement infrastructure which enables innovation and growth, promotes trade and facilitates fair competition and the protection of consumers, health and the environment.


NMO is committed to effective consultation which is targeted at and easily accessible to those with a clear interest in the policy in question.

Visit the NMO consultations section of our website.