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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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  • Pick and mix lollies on display.
    National Measurement Institute

    Ensuring consumers get what they pay for

    The latest report from the National Measurement Institute (NMI) looks at trade measurement activities in sectors affecting cost of living, such as bread, baked goods and fuel.
  • Fresh vegetables sold by weight in a supermarket
    National Measurement Institute

    Shaping Australia's measurement system

    Bill Loizides leads legal metrology at the National Measurement Institute (NMI). His insights detail how NMI is redefining legal measurement frameworks in a digitising world.
  • A glass of beer at a bar
    National Measurement Institute

    Raise your glass to getting a full pour

    Trade measurement inspectors from the National Measurement Institute (NMI) are auditing licensed premises from 20 to 24 October 2025.