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For an exact conversion between degrees Fahrenheit and Celsius, and kelvins of a specific temperature point, the following formulas can be applied. Here, f is the value in degrees Fahrenheit, c the value in degrees Celsius, and k the value in kelvins: f °F to c °C: c = f − 32 / 1.8 c °C to f °F: f = c × 1.8 + 32
This is a collection of temperature conversion formulas and comparisons among eight different temperature scales, several of which have long been obsolete.. Temperatures on scales that either do not share a numeric zero or are nonlinearly related cannot correctly be mathematically equated (related using the symbol =), and thus temperatures on different scales are more correctly described as ...
Unlike the degree Fahrenheit and degree Celsius, the kelvin is no longer referred to or written as a degree (but was before 1967 [1] [2] [3]). The kelvin is the primary unit of temperature measurement in the physical sciences, but is often used in conjunction with the degree Celsius, which has the same magnitude. Other scales of temperature:
The degree Celsius (°C) can refer to a specific temperature on the Celsius scale as well as a unit to indicate a temperature interval (a difference between two temperatures). From 1744 until 1954, 0 °C was defined as the freezing point of water and 100 °C was defined as the boiling point of water, both at a pressure of one standard atmosphere.
At 24 °C (75 °F), a difference of 0.38 °C (0.68 °F) can be detected between the temperature of two rooms. [ 7 ] Owing to variations in humidity and (likely) clothing, recommendations for summer and winter may vary; a suggested [ by whom? ] typical range for summer is 23–25.5 °C (73–78 °F), with that for winter being 20–23.5 °C (68 ...
The temperature in the Potomac River was 34 degrees Fahrenheit as of 10 a.m. Wednesday, according to the National Weather Service, and at 8 feet deep in some parts, rescue efforts were difficult.
For a day when the temperature reached 7 degrees Fahrenheit (-14 Celsius) in Washington, “the medical people told them that exposed areas would freeze in less than five minutes, with wind-chill factors like this," Speakes said. Speakes waved off concerns for Reagan's own health as a man taking office a second time at nearly 74 years old.
Anders Celsius's original thermometer used a reversed scale, with 100 as the freezing point and 0 as the boiling point of water.. In 1742, Swedish astronomer Anders Celsius (1701–1744) created a temperature scale that was the reverse of the scale now known as "Celsius": 0 represented the boiling point of water, while 100 represented the freezing point of water. [5]