- The metric system is the primary and the official weighing system used in Australia and is adopted worldwide for scientific experiments, measurement, and everyday usage.
- In the metric system, the base unit of mass is the kilogram. Other metric units commonly used for weighing include milligrams, grams, tonnes, etc.
2. Imperial system:
- Australia officially transitioned to the metric system in 1970s, phasing out the imperial system's weight measurements. However, traces of legacy systems remain due to its prevalence for years before switching to metrics.
- In the imperial system, pounds as unit is used to measure large or heavier products while for lightweight products ounces as unit is used.