4/1/2023 0 Comments Calculator f celsius![]() This is very closely related to the concept of thermal energy and means that heat is just another expression of kinetic energy. ![]() What this means is that the higher the temperature of something, the higher the particles velocity a.k.a.the molecules that make up that something vibrate faster. There is no need to worry, however, because when we dig deeper into what is temperature, the answer is fairly simple: temperature is speed, or rather the momentum of the atoms and molecules that make up a material. To do this we have to turn to physics, in particular to thermodynamics and statistical physics, which is like thermodynamics meets quantum physics. We all know what is hot or cold, but temperature? Temperature is much harder to define without getting technical, which is precisely why we will get technical. −31☏ is within the one-degree range from (and is equal to) the true value of −31☏.It is always hard to come up with a good definition for everyday terms, but with temperature, it is notoriously difficult.90☏ is within the one-degree range from the true value of 89.6☌.Įxample #2 (Temperatures Lower than 10☌):.If the original temperature is below 10☌, add instead of subtracting.Įxample #1 (Temperatures Higher than 10☌): Subtract the sum you remembered earlier.Multiply (the original temperature) by two.If the original temperature is below 10☌, use the higher nearest multiple, not lower. For each five degrees from 10☌ (up to the lower nearest multiple of ten), remember one (sum the ones in your head but do not use this sum yet).The method for reverse conversion seems a bit trickier but is not really it. −10.5☌ is (almost) within the one-degree range from the true value of −9.4☌.25.5☌ is within the one-degree range from the true value of 25.6☌.Įxample #2 (Temperatures Lower than 50☏):.Add one for each: 60, 70, 80 Gives 81.Now you have degrees Celsius plus–minus one degree.Įxample #1 (Temperatures Higher than 50☏):.If the original temperature is below 50☏, use the lower nearest multiple, not higher, and subtract instead of adding. For each ten degrees from 50☏ (up to the higher nearest multiple of ten), add one. ![]() In addition to the Subtract-Thirty-Divide-by-Two rule (for Fahrenheit-to-Celsius conversion), also memorize that 50☏ is 10☌ then you are ready for conversion. ⚠️ So here goes a warning: The method below is generally unsuitable for body temperatures. For body temperatures, you would usually want to memorize critical temperature points instead both for Fahrenheit and Celsius (e.g., using a chart like this one ).īy contrast, the method is perfect for rapid conversion of air temperatures in everyday life. The method outlined below is only slightly computationally heavier than the crude one but has the precision range of around one degree. The crude method is imprecise with error as high as a dozen degrees at extreme outdoor temperatures. Now you have degrees Fahrenheit plus–minus several degrees.Vice versa for reverse Celsius-to-Fahrenheit conversion: ![]()
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