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A number of units of measurement were used in Uruguay to measure quantities. Metric system was optional in Uruguay since 1866, and has been compulsory since 1894.[1][2]
The older system was the Spanish (Castilian) system with some modification.[1][3]
One libra was equal to 460 g (1.014286 lb).[3]
One fanega was equal to 274 L (7.776 bushels).[3]