National Measurement Institute

We are the national authority on measurement. We develop and maintain Australia’s measurement system. We deliver measurement policy, science and regulation for a fair, safe, healthy and competitive Australia.

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Trade measurement

Weights and measures in trade

Trade measurement laws apply to all retail and wholesale transactions where measurement determines price. Find information about selling specific goods.

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These awards highlight outstanding achievement in measurement science at all career levels and sectors, celebrating Australian research and innovation.

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Latest news and case studies

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Jul 2026 National Measurement Institute

From fuel pumps to livestock feed: NMI puts fair measures in focus

Explore NMI’s 2026–27 legal metrology priorities to see the main areas our inspectors will focus on this year.
Jul 2026 National Measurement Institute

National Measurement Institute donates fuel trolleys to Pacific Island nations

Gift to Pacific Islands Forum Secretariat builds capacity and economic resilience across the region.
Jun 2026 National Measurement Institute

70 years of trusted chemical testing Australians rely on

The National Measurement Institute’s (NMI) NATA-accredited chemical laboratories demonstrate Australia’s highest standards for accuracy and reliability.