華氏(Fahrenheit)係一個表示溫度嘅系統(符號 ℉),喺美國好常用,而華氏度就係用來表示華氏比例裏面嘅其中一個距離,係一個度量衡。呢個度量衡可以用嚟表達一個確實嘅溫度,亦都可以表示兩個溫度之間嘅距離。華氏呢個名係取自德國科學家華倫海特(Daniel Gabriel Fahrenheit)嘅姓。
華氏溫標嘅規定係響標準大氣壓下,冰嘅熔點為32℉,水嘅沸點為212℉,中間有180等分,每等分為華氏1度,要轉換華氏溫度同攝氏溫度,可以用以下公式:
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