// Workers AI · dad joke modeWhat did the arratel say? "I weigh on your mind.
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The arrátel (Portuguese pronunciation: [ɐˈʁatɛl]; plural arráteis)[1] was the base unit of weight in the Portuguese customary measurement system.[2][3] Until the adoption of the metric system in the 19th century, the arrátel was used in Portugal, Brazil and other parts of the Portuguese Empire.[4]
The real value of the arrátel fluctuated during the Middle Ages. Before King Peter I, the main arrátel seems to have been equivalent to 12+1⁄2 ounces. With Peter I, the official arrátel increased to 14 ounces. Finally, the Portuguese arrátel was fixed at 16 ounces by decree of King Manuel I in 1499. This arrátel, which was kept as the national standard until the introduction of the metric system, was similar to the Spanish libra.
Arrátel values
[edit]See also
[edit]References
[edit]- ↑ "arrátel". Dicionário Priberam da Língua Portuguesa. Retrieved 14 May 2026.
- 1 2 3 4 Lopes, Luís Seabra (2005). "A cultura da medição em Portugal ao longo da história" [The culture of measurement in Portugal throughout history]. Educação e Matemática [Education and Mathematics] (in European Portuguese) (84). Associação de Professores de Matemática: 42–48.
- ↑ Dicionário Enciclopédico Lello Universal, Oporto: Lello & Irmão, 2002.
- 1 2 MONTEVERDE, Emilio Achilles, Manual Encyclopedico para Uzo das Escolas de Instrucção Primaria, Lisboa: Imprensa Nacional, 1861.