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.

Meet the 2026 award finalists

These researchers and innovators show how great measurement science can support safer products, better health, stronger industries and emerging technologies.

Latest news and case studies

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Aug 2026 National Measurement Institute

Australian measurement leaders recognised for real-world impact

Meet the 2026 Measurement Awards winners improving air quality, quantum technology, engineering and everyday measurement.
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.