also: カし
Fahrenheit
Abbreviation of カ氏温度 (Fahrenheit temperature). Used in scientific and everyday contexts to refer to the Fahrenheit scale.
In the United States, temperatures are often expressed in Fahrenheit.
100 degrees Fahrenheit is about 37.8 degrees Celsius.
カ氏 denotes the Fahrenheit scale, whereas セ氏 denotes Celsius; the two are easily mixed up because both use the character 氏 in a similar abbreviated form.
Standard kanji spelling for Fahrenheit.
Katakana spelling for the initial, matching the reading カし. Used in technical contexts.
From 華 (abbreviation of 華倫海, an old transliteration of Fahrenheit) + 氏 (Mr./suffix for a person). The reading かし is the on'yomi of 華氏.