Fahrenheit to Celsius

Archive for August, 2010

A Fahrenheit to Centigrade chart is used to compare the values of the two temperature scales. Some thermometers display the Fahrenheit and Centigrade side by side. Note that Centigrade and Celsius is the same thing. Centigrade is the old name of Celsius.

Vital scale Comparisons

Absolute zero: ?273.15 “C / ?459.67 “F
Temperature of dry ice: ?78 “C / ?108.4 “F
Ice melting point: 0 “C / 32 “F
Normal human body temperature: 37.0 “C / 98.6 “F
Boiling point of water: 99.9839 “C / 211.9710 “F

Fahrenheit to Centigrade Guide

F C
1.0 -17.2
10.0 -12.2
20.0 -6.7
30.0 -1.1
40.0 4.4
50.0 10.0
60.0 15.6
70.0 21.1
80.0 26.7
90.0 32.2
100.0 37.8
110.0 43.3
120.0 48.9
130.0 54.4
140.0 60.0
150.0 65.6
160.0 71.1
170.0 76.7
180.0 82.2
190.0 87.8
200.0 93.3

Centigrade to Fahrenheit Guide

Aside from the Fahrenheit to Centigrade chart, a guide for Centigrade and Fahrenheit is also necessary.

C F
0 32.0
10 50.0
0 68.0
30 86.0
40 104.0
50 122.0
60 140.0
70 158.0
80 176
90 194.0
100 212.0

Converters and Calculators

Temperature converters and calculators are used to compare the temperature differences. Most online websites perform the conversion on the fly. Just enter the figure you want to convert and click a button. You can also do the calculations yourself easily.

To go from Centigrade to Fahrenheit, multiply the Celsius degrees by 9 and divide by 5. Add 32 to the result and you have the Fahrenheit total. To switch from F to C, remove 32 from F, divide by 9 and multiply the remaining number by 5.

Another way to convert the temperature is by using the F=1.8C+32 formula. In this case the F points to the Fahrenheit number and C to the Centigrade degree number. If you want to switch from F to C, use the following formula: 50=1.8C+32.

In this example, 50 F is used. Substitute with other degrees as needed. Deduct 32 from the figures so you end up with 18=1.8C. The last step is to divide it by 1.8. To change C to F, put in 5 or any other C degree number. You will end up with F=1.8(5)+32. The result is 41 F.

These calculations may seem complicated but they are really very simple to do. Once you get sued to the process, it will be very easy to change and switch temperatures back and forth. Of course 6you can always use the online calculators and converters. Those calculators are free, so you don’t have to worry about paying for using the utility.

These Fahrenheit to Centigrade charts are very handy as it is very likely the Fahrenheit and Centigrade will both still be used for a long time. But by having these charts with you, problems will be avoided when it comes to assessing these figures.

Fahrenheit to Celsius conversions are necessary because both temperature scales are used. The Fahrenheit is used widely in the United States while Celsius is employed in Europe and Southeast Asia.

Using Online Temperature Converters

This is by far the easiest method. Go to a search engine and look up “temperature converters”. When you get to the site, enter the Fahrenheit (F) figures in the appropriate field. Press the “calculate” button. Its equivalent in Celsius (C) will appear. Usually these sites will have another calculator to do the reverse.

Other Ways to Convert the Figures

Here is another way to find the Celsius equivalent of Fahrenheit. Select the Fahrenheit degrees and deduct 32 from the figure. Divide the remaining number by 9. Multiply the result. The result is the degree in Celsius.

To change Celsius to Fahrenheit, choose a Celsius reading you want to convert. Multiply this figure by 9. Take the total and divide it by 5. The final step is to add 32 to the total.

Other Fahrenheit to Celsius Conversion Techniques

Another way to change Celsius to Fahrenheit is this method. Look up the degrees in Celsius and multiply it by 1.8. Add 32 to the result. This is the Fahrenheit equivalent.

Here is another method. Write down F=1.8C+32. C denotes the degrees in Celsius and F the degrees in Fahrenheit. Fill the value (F or C). Assuming you want to convert 50 F to C. Put the number 50 for F. you will get 50=1.8C+32.

Deduct 32 from the sides and the result will be 18=1.8C. Divide the sides by 1.8. C-10 so the result will be 10 C.
Here is another illustration. To change 5 C to F, put in 5 for C and you will have F=1.8(5)+32. F=41 degrees so the answer is 41 F.

Some Facts about Celsius and Fahrenheit

The Fahrenheit was created in 1724 by Daniel Fahrenheit, a Dutch scientist. According to some accounts, Fahrenheit came by the 0 degrees by using measurement from the point where similar amounts of water and salt combine and melt.

The Celsius was invented by the Swede Anders Celsius in 1742. Originally his scale was called Centigrade but it was later changed to Celsius.

The availability of free Fahrenheit to Celsius conversions on the Net has made it easier for people to make comparisons between the two. Because these two systems are used widely, knowledge of how to do these conversions has become essential.

A Fahrenheit to Celsius converter is a tool used to find the Celsius equivalent of degrees in Fahrenheit. These converters can come in the form of calculators, computer programs or online conversion utilities.

Using web Based Calculators

These are freely available on the Web. You can find several of these using Google. While their designs may vary somewhat, operation is very easy. Type the Fahrenheit degrees in the field labeled “Fahrenheit” or F. Click the “calculate” button.

The equivalent in Celsius will be displayed. To change Celsius to Fahrenheit, input the Celsius figure in the C or Celsius box and press the “calculate” button. The degrees in Fahrenheit will be displayed.

Other Ways to Perform Temperature Conversions

To find the F equivalent of C, note the C figure you want to change. Multiply this figure by 9. When you find the result, divide it by the number five and add 32 to the figure. Now you have the degrees in Fahrenheit.

To switch from Fahrenheit to Celsius, remove 32 from the F degrees you want to convert. After dividing the figure by 9, multiply the numbers by 5. The result will be the degrees in Celsius.
Besides knowing how to use Fahrenheit to Celsius converters, knowing something of these scales’ origin may also prove helpful.

Origin of Celsius

This scale determines heat and cold from 0 (freezing point) to 100 degrees (the boiling point). It was created by Anders Celsius, an astronomer, in 1742. Celsius termed his scale centigrade. But in 1954, scientists agreed to change the name to Celsius.

However the term Centigrade is still occasionally used. It should be noted that in Anders’ invention, zero was designated as the boiling point and 100 the freezing point. After Anders’ death however, the setting was reversed. This setup is still being used today.

Use of the Fahrenheit

The Fahrenheit has been in use since the early 1700s, but it has been superseded by the Celsius in most nations except for the US and a few other countries.

In the United States, Fahrenheit is still employed for cooking, weather and other non-scientific applications. Canada also displays temperature in Celsius and Fahrenheit. However, the weather is always stated in Celsius.

As you can see, Fahrenheit to Celsius converters are needed because both scales are still utilized in countries. Fortunately, these converters have made the task easier. Now with a simple click of the mouse you can get the figures right away.

Fahrenheit Centigrade calculators are tools employed for the conversion of Fahrenheit to Centigrade and Centigrade to Fahrenheit. Note: Centigrade is the same as Celsius. It has been officially known as Celsius since 1954, although Centigrade is still used in some countries like the UK.

How to Use Online Calculators

Go online and look for a temperature calculator. You can find several using a search engine. When you find one, type the F or C numbers you want to convert. Click “convert to F” or “convert to C” and the results will be displayed.

Other Ways to do Temperature Conversions

To change Centigrade (C) to Fahrenheit (F), use the following method. Get the Celsius degree number you want to convert and multiply by 9 and divide the result by five. When you get the total, add 32 to it. If you want to switch from F to C, subtract 32 from F, divide it by 9 and multiply the resulting figure by five.

Another way to convert C to F is multiply by 1.8 the degrees in C. After adding 32 to the result, you will have the F degrees.

Fahrenheit Centigrade Calculator and Guide

40.6 C = 105.1 F
40.4 C = 104.7 F
40.2 C = 104.3 F
40.0 C = 104.0 F
39.8 C = 103.7 F
39.4 C = 102.9 F
39.0 C = 102.6 F
38.8 C = 101.8 F
38.4 C = 101.2 F
38.0 C = 100.4 F
37.8 C = 100.1 F
37.6 C = 99.7 F
37.4 C = 99.3 F
37.2 C = 99.0 F
37.0 C = 98.6 F (normal body temperature)

Water boiling point: 211.9710 “F / 99.9839 “C
Approximate ice melting point: 32 “F / 0 “C
Dry ice temperature: ?108.4 “F / ?78 “C
Liquid nitrogen temperature: ?302.53 “F / ?185.85 “C
Absolute zero: ?459.67 “F / ?273.15 “C

Tips

Online temperature converters often let you convert C and F into Kelvin (K) too. Kelvin is a temperature scale used mainly in scientific applications. The process is the same as that of C to F and F to C conversion.

Just enter the C or F number and click “convert to K”. Conversion to other temperature scales is also available. Like the F to C and C to F, the F to K, K to F, C to K and K to C have chats available as well.

These Fahrenheit Centigrade calculators have it made it much easier to compare temperatures. For students, scientists and people who travel to different places, these calculators are extremely important and valuable.

A Kelvin to Fahrenheit calculator takes the difficulty out of converting these different temperature scales. You just go to a search engine and go to one of those free sites that perform temperature conversions. The following shows how these sites work.

How Online Conversion Calculators Work

Once you get there, you will see two fields, one marked K (Kelvin) and F (Fahrenheit). Enter the Kelvin degree number you want to convert in the K field or box. Click “calculate”, “convert” or something like it.

The results in Fahrenheit will be displayed. If you want to change F into K, enter the Fahrenheit numbers in the F field. Click the appropriate button and the result will be displayed.

If you don’t want to use a Kelvin to Fahrenheit calculator and instead want to do it yourself, just multiply the K figure by 9/5. Deduct 459.7 from the result. The resulting number is the Fahrenheit equivalent.

History of the Fahrenheit

This scale was invented by the German scientist Daniel Gabriel Fahrenheit in 1724. He was also the man responsible for the creation of the mercury and alcohol thermometers. He developed the Fahrenheit scale due to his need to work with various temperatures.

When you use the F scale, the melting point of frozen water is 32 degrees. The boiling point is set at 212 degrees. Between them is 180 degrees.

Historians are aware of the scale used by the scientist. However, it is still unclear as to how he ultimately created the scale. There are several theories. One of them is that he used 0 as the lowest point.

This figure, along with his own body temperature which was 100 degrees, became the benchmarks of the new scale. Fahrenheit segregated this into a dozen parts. This was soon changed into eight, resulting in the 96 degree separation.

Facts about the Kelvin

The K is utilized by many scientists for their various scientific endeavors. The lowest point in the Kelvin scale is 0, equal to -273.15 C. This scale was developed by William Thomson in the 19th century. He would create the scale at Glasgow University. This scale was invented because he needed a system that would allow him to assess absolute values quickly.

The need to use a Kelvin to Fahrenheit calculator isn’t limited to scientists. Students may also need them for various projects. You will never know when the need to change temperatures will occur so it is better to be aware of them now.

Unless you have a Fahrenheit to Celsius baking chart, it can be hard to follow bake recipes. Some of them use F and others C. Also, not all of them provide the C and F equivalents in the recipes. For reference you can use the following.

Oven Temperature Guide

225 F = 105 C (very cool); gas mark is 1/4
250 F = 120 C; gas mark 1/2
275 F = 130 C; gas mark 1 (cool)
300 F = 150 C; gas mark 2
325 F = 165 C; gas mark 3 (very moderate)
350 F = 180 C; gas mark 4 (moderate)
375 F = 190 C; gas mark 5
400 F = 200 C; gas mark 6 (moderately hot)
425 F = 220 C; gas mark 7 (Hot)
450 F = 230 C; gas mark 8
475 F = 245 C; gas mark 9 (very hot)

Temperature Converter

Aside from offering Fahrenheit to Celsius baking chart, there are also converters on the Net. To use these converters, enter the figures in the Fahrenheit or Celsius field. Click convert and you will get the appropriate figures.

Digital Thermometers

These are used to monitor the temperature of the food as it is being baked or cooked. Many of these thermometers have Celsius and Fahrenheit degrees so you can assess the figures easily. These are considered essential for cooking and baking today.

Celsius and Fahrenheit Differences

The biggest differences are the boiling and freezing points. Both use water for the freezing and boiling pint, but the values are different. The effect is that the other temperature readings vary too.

The freezing point in Fahrenheit is 32 degrees and for Celsius it is 0. The boiling point in the Celsius scale is 100 and for Fahrenheit it is 212. The freezing and boiling points are easier to remember in Celsius.

That is the reason why the Celsius temperature scale is preferred, but in the US Fahrenheit is still utilized. To change Celsius to Fahrenheit, add 32 to C and multiply it by 1.8. To change Fahrenheit to Celsius, deduct 32 and divide the number by 1.8.

You can also use online calculators to make the conversions.To use these converters, just enter the figure you want to change and click the “covert” button. The results will be displayed immediately.

The Fahrenheit to Celsius baking charts are not just for novice cooks but also for long time cooks as well. With a chart in hand, mistakes in the kitchen will be avoided.

To convert Celsius into Kelvin, the formula is K=C+273.15. C stands for Celsius and K for Kelvin. The 273.15 is used because absolute zero in Kelvin is equal to 273.15 degrees below the freezing in Celsius.

An Example

Choose the degrees you want to change. Suppose you want to change 30 degrees Celsius. The formula would then be K=30+273.15. Now you just have to perform some mathematical calculations. In this example, 30+273.15=303.15. That is the Kelvin equivalent of the Celsius scale.

Calculating by Hand

Remember that an increment of K is the same as an increment of C. That is why 0 K is equivalent to -273.15 C. 1 K = -272.15 C, K = -271.15 C and so on. To change 3 K to C, the proceeding formula may be used: Celsius = [K] -273.15 Celsius = [3]-273.15 Celsius = 3-273.15 Celsius = -270.15.

Using Computer Software

You can use computer programs to change Celsius into Kelvin and vice versa. To make the conversion using Microsoft Excel, utilize this formula: Cell A1=”K”Cell B1=”C”Cell A2= Kelvin MeasurementCell B2=CONVERT(A2,A1,B1)

Add 273.15

However, the simplest method for many is just adding 273.15. To convert 99.9 C (the point when water boils) the following equation is used: [K] = Celsius + 273.15[K] = [99.98] + 273.15[K] = 373.13.

Facts about the Kelvin Temperature Scale

It is the standard used by the Standard International (SI) units for science. Majority of scientific examinations are conducted in Kelvin. The Kelvin temperature scale is preferred by scientists because they are set on gas properties. This makes them more accurate than Celsius.

Unlike common everyday applications, scientific studies and examinations require the most accurate temperature scale possible. While Celsius can also be used for some scientific calculation, it is more limited because the basis is boiling and freezing points of water.

The Kelvin on the other hand, measures heat energy. O K or -273.15 C is the state in which no energy can be found in a substance. For this reason it is known as the absolute zero.

The idea of the Kelvin came from the scientist William Thomson around the 19th century. The idea evolved from his need to gauge absolute zero temperatures, something that could not be done with the scales at the time.

It doesn’t take a lot of skills to convert Celsius into Kelvin and vice versa. Although the Kelvin isn’t used much in everyday applications, it is still something that bears knowing.

Most countries nowadays use the Celsius temperature scale when referring to different degrees of temperature. It is used in weather forecasting, cooking, and even by doctors and nurses when referring to body temperatures. However, those who are engaged in scientific fields and in engineering will also become familiar with a unit of measure called Kelvin. At times, one may find the need to convert from Celsius to Kelvin.

Differentiating the Two Temperature Scales

One of the first things we all need to establish between these two units of measuring temperatures is the fact that both are quite similar. The big difference between Kelvin and Celsius is that Kelvin is based on absolute zero while Celsius is based on the water freezing point. You should expect the temperatures that Kelvin describes is far below the freezing point denoted by Celsius.

Converting from Celsius to Kelvin

Given the fact that both these two units of temperature measurement are virtually similar, you will only have to account for the difference between these two units. Thus, the formula to convert Celsius to Kelvin will be as follows:

K = C + 273.15

The symbol “K” refers to Kelvin while the symbol for Celsius is “C”. You might be wondering where the value 273.15 is taken from. This number is derived from absolute zero, which is the base for Kelvin as stated earlier. This simply means that absolute zero is 273.15 degrees below the freezing point depicted by Celsius.

Sample Calculation

As a bit of an example, let’s say you want to convert 32 degrees Celsius into Kelvin. Following the formula given above, all you have to do is to add 273.15 to 32 degrees Celsius. The result will be 305.15 Kelvin, which is pretty simple. Turning things around, converting from Kelvin to Celsius will be just as easy. All you have to do is to deduct the said base for Kelvin in order to arrive at your Celsius degrees.

Application of the Two Systems of Measurement

Applications in both engineering and science will usually have both Kelvin and Celsius used simultaneously. Though of course you should also expect to find conversions from Celsius to Kelvin as you go over different articles in these said two fields of study. In the scientific world, using both Celsius and Kelvin at the same time is pretty much widespread.

You can consider using both or either of these two units of measurement. Both of these may be used to express temperatures or temperature intervals. The only thing one needs to put in mind is that there will be nothing colder than 0 Kelvin.

It is a fact that there are countries in the world that still make use of the Fahrenheit temperature scale. In fact, you can still find many recipes that measure oven temperature in this scale. If you’re unsure as to how hot or cold a temperature is using this scale, then you will have to convert Fahrenheit to Celsius.

Converting Fahrenheit to Celsius Using Tools

There are a lot of different tools at your fingertips that can be quite helpful when converting from one scale to the other. There are simple online temperature scale converters and there are detailed and multifunctional calculators out there. All you need is your trusty computer and a working Internet connection.

You can look up these online temperature conversion sites via a search engine. Open the page and then you’ll be asked to input the temperature in Fahrenheit you want to convert. Some sites do not only convert to Celsius from Fahrenheit. In fact, other sites can also calculate the value of other temperature scales for you. After putting in the temperature in Fahrenheit, all you need to do is to hit enter and then the results will be displayed.

Now that is a very convenient way to convert Fahrenheit into Celsius. However, if you just are too much of in a hurry you can use a search engine like Google to look for the equivalent of a temperature in Fahrenheit to another temperature scale. To use a search engine, enter the amount you want to convert and then add the phrase Fahrenheit to Celsius and hit enter. The result will be displayed in the next page.

There are other tools you can use in case you don’t have access to a computer or you don’t have a way to connect to the Internet. Some mobile devices like cell phones have temperature converters. You can also install this kind of software to your PDA. These can be very helpful in case you want to avoid doing the math or aren’t familiar with the needed conversion formula.

Converting Temperatures Manually

No one has to dread manually converting Fahrenheit degrees into Celsius since the process is relatively easy. There are only three steps one has to follow in order to convert Fahrenheit to Celsius. First step is to deduct 32 degrees from the original Fahrenheit temperature you want to convert. After that, you should divide what’s left by nine. The last step is to multiply the result by five and the result is the temperature in Celsius.

The Need to Convert Celsius to Fahrenheit

Most of the countries in the world today may use of the Celsius temperature scale. This sometimes prompts us ask why we even have to bother with temperature scale conversions if almost everyone. The answer is quite simple, whenever you need to use it then you will have to convert it. In case you travel to or read a document from countries that make use of the Fahrenheit temperature scale, then you will be obliged to convert from one to the other.

Differentiating Celsius from Fahrenheit

The Celsius temperature scale has become a standard in most countries in the world when describing the current temperature. This temperature scale was at one time called degrees centigrade, which basically divides the entire scale into 100. This temperature scale was named after Anders Celsius who was able to develop a scale that is quite like it prior to his death. This scale is part of the metric system, which is a system of measurement adopted by the larger portion of the world.

On the other hand, even though most of the countries all over the world have dropped the use of the Fahrenheit scale, some countries persist in its usage. The United States, in particular, persists in its usage, though it also uses the Celsius scale and other units of measuring temperature. This scale was named after Daniel Fahrenheit who also proposed its usage in 1724.

Convert Celsius to Fahrenheit

The easiest way to convert Celsius to Fahrenheit is to use a computer. You can search for temperature converters on the Internet and use these resources. Once you open a page for one these temperature converters or calculators, all you need to do is to enter the temperature in Celsius and the converter will change it to Fahrenheit.

You can even use a search engine like Google to do the conversions. On a search bar, type the amount of degrees Celsius you want, like 100 Celsius for example. Next add the phrase ‘to Fahrenheit’ to the amount that you typed on the search bar. Then finally hit enter to display temperature converted to Fahrenheit, which is 212 degrees Fahrenheit in our example.

Convert Celsius to Fahrenheit Manually

You don’t always have a connection to the Internet, which sometimes necessitates making conversions manually. The steps to convert from degrees Celsius temperatures to Fahrenheit will only take a wee bit of arithmetic. The first step is to multiply the temperature in Celsius by 1.8. After that add 32 degrees and your final result is now in degrees Fahrenheit.