Litro
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Definição
Unidade métrica de volume igual a um decímetro cúbico (1 dm³ = 1.000 cm³ = 1.000 mL), aproximadamente 0,264 galões americanos ou 1,057 quartos líquidos americanos.
Explicação
The liter was redefined in 1964 as exactly 1 cubic decimeter after a brief period (1901–1964) when it was defined as the volume of 1 kg of water at maximum density. One liter of water has a mass of almost exactly 1 kilogram (0.999975 kg at 4°C). A standard water bottle is 500 mL (half a liter); a car fuel tank holds roughly 40–60 liters. The milliliter (mL) equals exactly 1 cubic centimeter (cc or cm³).
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RELATED TERMS
Prefixo Métrico
Um prefixo que indica um múltiplo ou fração decimal de uma unidade (quilo-, mega-, mili-, micro-, etc.).
Hectare
Unidade métrica de área igual a 10.000 metros quadrados ou 2,471 acres.
Bar
Unidade de pressão igual a 100.000 pascals, ligeiramente inferior à pressão atmosférica padrão.
Sistema Métrico
Sistema internacional de medição baseado em decimais, construído sobre sete unidades de base do SI, adotado oficialmente por todos os países exceto Estados Unidos, Myanmar e Libéria.
Sistema Decimal
Sistema de numeração em base 10 no qual cada valor posicional é dez vezes o valor imediatamente menor, formando a base matemática do sistema métrico.