What is 100 Degrees Fahrenheit in Celsius?Temperature measurement is an essential part of our daily lives; it also impacts everything related to weather forecasts, from climate studies to the clothes we wear and the food we cook. We mainly use three primary temperature scales in our daily lives or in academic sectors; Fahrenheit, Celsius, and Kelvin. While Fahrenheit is commonly used in the United States and a few other countries, Celsius and Kelvin are used worldwide, i.e., according to international standards. In this article, we will explore the conversion of Fahrenheit to Celsius and viceversa, and also learn about "What is 100 degrees Fahrenheit in Celsius?" We will also understand the mathematical relationship between these scales and know the applications with a conclusion at the end. History of Fahrenheit and CelsiusThe Fahrenheit scale was developed by a PolishGerman physicist in the early 18^{th} century, Daniel Gabriel Fahrenheit. He introduced the Fahrenheit scale in 1724, and Daniel Fahrenheit used three referral points: first one, the freezing point of brine at 0 degrees Fahrenheit; the average human body temperature, which is around 98.6 degrees Fahrenheit; and a reference point which he obtained from a mixture of water and ammonium chloride. At starting, that scale had 12 degrees between the freezing and boiling point of water. Note: The average human body temperature we usually measure is 98.6 degrees Fahrenheit.On the other hand, the Celsius scale was created by Swedish astronomer Anders Celsius in the year 1742. At first (initially), the scale was different from what it is now, as now we know 0 degrees Celsius as the freezing point of water and 100 degrees Celsius as the boiling point of water; but at that time, 0 degrees Celsius was represented as the boiling point and 100 degrees as the freezing point of water was represented on that scale. But later on, the Swedish botanist Carl Linnaeus improved the scale as we know and use it today; Celsius's scale was based on the freezing and boiling points of water that make it different from Fahrenheit's original reference points. Note: As the Celsius scale originally consisted of indicators between 0 to 100 degrees, the Celsius scale was also known as "Centigrade." The word centigrade means something divided into hundred (100) parts or hundreds (100) parts.KelvinWe have also heard about the temperaturemeasuring unit called "Kelvin," which is mainly used in science laboratories or academic fields; someone who is a science student or works in a laboratory is quite familiar with this unit. On the one hand, Fahrenheit and Celsius are scales that are used to indicate temperature, but on the other hand, Kelvin is a bit different from both of these scales. It is named after Lord Kelvin; we can say that Kelvin is a standard scientific unit used to measure temperature; for example, we can understand that Kelvin is similar to a Kilogram of temperature, as a kilogram is for weight and a meter for distance. We do not write "0 degrees Kelvin" as we always write "0 degrees Celsius or Fahrenheit." Note: The symbol of Kelvin is "K"Why are We Using these Scales?The use of different temperature scales all around the world can be understood by studying historical reasons and regional preferences. The Fahrenheit scale, primarily used in the United States of America, is preferred by some for its finer gradation in temperature in typical humaninhabited climates; it provides more detailed data for temperature fluctuations, especially in the range that covers daily weather conditions. On the other hand, the Celsius scale is preferred by scientists and also for a better understanding of temperature worldwide; it is based on the fundamental properties of water, making it more consistent with scientific principles. Additionally, the Celsius scale is comparatively easier to use in the calculation because of its nature of base10. Converting 100 Degrees Fahrenheit into CelsiusThere are two methods to convert Fahrenheit to Celsius:
1. By Estimated FormulaThis formula is used to approximate Celsius well when we convert the scale from Fahrenheit to Celsius. In this case, subtract thirty (30) from the given temperature and then divide the outcome by two (2); the result will approximate the value of the resulting scale in Celsius. {Fahrenheit temp. [F]  30} / 2 = (result) Celsius temp. As we have to convert 100 degrees Fahrenheit into Celsius, we will do it in the following steps: Step 1. In this step, we will subtract thirty (30) from hundred (100) degrees Fahrenheit. i.e., 100  30 = 70 Step 2. In this step, we will divide the result by seventy (70) and two (2). = 70 / 2 = 35 So, we have an approx. Value, i.e., 35 degrees Celsius, is approxconversion of 100 degrees Fahrenheit into Celsius. 2. By Exact FormulaThis formula is used to get the exact value of Celsius when we convert Fahrenheit into Celsius. The formula is subtracting thirtytwo (32) from the given temperature value in Fahrenheit and dividing the result by one point eight (1.8) or multiplying the result by 5/9; the outcome will give us an exact value of the resulting scale in Celsius. {Fahrenheit temp. [F]  32} / 1.8 = (result) Celsius temp. As we have to convert 100 degrees Fahrenheit into Celsius, we will do it in the following steps: Step 1. In this step, we will subtract thirtytwo (32) from hundred (100) degrees Fahrenheit. i.e., 100  32 = 68 Step 2. In this step, we will divide the result, which is sixtyeight (68), by (1.8). = 68 / 1.8 = 37.78 Or In this step, we will multiply the result, sixtyeight (68), by (5/9). = 68 / 0.55556 = 37.78 So, we have an exact value, i.e., 37.78 degrees Celsius is the exact conversion of 100 degrees Fahrenheit into Celsius. Converting Celsius to FahrenheitFrom the above formulas, we can convert Celsius to Fahrenheit also. We have to multiply one point eight (1.8) by the given temperature in Celsius, then add 32 to the result; the outcome will give us the converted value of Fahrenheit. Formula: (C * 1.8) + 32 = F Let's take an example of converting 0 degrees Celsius into Fahrenheit: Step 1. In this step, we will multiply 0 degrees Celsius by one point eight (1.8). i.e., (0 * 1.8) = 0 Step 2. In this step, we will add thirtytwo to the above result. 0 + 32 = 32 degrees Fahrenheit So, 0 degrees Celsius is equal to 32 degrees of Fahrenheit. Applications and ImplicationsUnderstanding temperature conversions is essential for various reasons that are mentioned below:
Some Examples of ConversionIn this session, we will understand some solved examples of converting Fahrenheit into Celsius and Celsius into Fahrenheit: Q. Convert ninetyeight point six (98.6) degrees Fahrenheit into Celsius. Solution: As we have to convert 98.6 degrees Fahrenheit into Celsius, we will do it in the following steps: Step 1. This step will subtract thirtytwo (32) from 98.6 degrees Fahrenheit. i.e., 98.6  32 = 66.6 Step 2. In this step, we will divide the result, which is 66.6, by two (1.8). = 66.6 / 1.8 = 37 So, we have an exact value, i.e., 37 degrees Celsius is the exact conversion of 98.6 degrees Fahrenheit into Celsius. We all know that 98.6 degrees Fahrenheit is the average body temperature of a human; in Celsius, it is 37 degrees Celsius. Q. Convert hundred (100) degrees Celsius into Fahrenheit. Solution: To solve this, we have to multiply one point eight (1.8) by the given temperature in Celsius and add 32 to the result; the outcome will give us the converted value of Fahrenheit. Formula: (C * 1.8) + 32 = F Let's convert 100 degrees Celsius into Fahrenheit: Step 1. In this step, we will multiply 100 degrees Celsius by one point eight (1.8). i.e., (100 * 1.8) = 180 Step 2. In this step, we will add thirtytwo to the above result. = 180 + 32 = 212 degrees Fahrenheit So, 100 degrees Celsius is equal to 212 degrees of Fahrenheit. As we know, the boiling point of water is 100 degrees Celsius; in Fahrenheit, it is 212 degrees Fahrenheit. ConclusionTemperature scales play an essential role in our daily lives, affecting everything from climate studies to cooking. While the Fahrenheit scale is used in certain countries and appreciated for its informative representation of weather changes, the Celsius scale is the international standard for its scientific accuracy and is easy to use. Converting temperatures between these scales is a simple process, but it holds significant implications for global communication, scientific research, and everyday activities; understanding the conversion formula and the reasons behind the use of each scale allows us to appreciate the diversity and complexity of temperature measurement systems worldwide.
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