Convert Temperatures Here

BTW...13 celcius is 53.6 farenheit

John

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"If you think THIS is fantastic...wait until you see the full effect with the HIMP!"
- Chief Inspector Clouseau.

Actually it's been about 32.7777777(etc) degrees celcius here lately.

To convert from Celsius to Fahrenheit:

First scale the measurement by multiplying by 9/5

Second, adjust the base of the measurement by adding 32.

To convert from Fahrenheit to Celsius, do the reverse:

First, adjust the base of the measurement by subtracting 32.

Second, scale the measurement by multiplying by 5/9.

That is, f = 9/5 * c + 32

and c = (f - 32) * 5/9

Kelvin is the same scale as Celsius except that the base is 273.15 different. To convert to Kelvin, first convert to Celsius if not already Celsius, then add 273.15. The Kelvin scale is based on absolute zero, the temperature representing complete absence of heat. If you have a Kelvin measurement, subtract 273.15 and you'll have Celsius.

Another way to remember conversion between Fahrenheit and Celsius is just remember the two most important temperatures related to water:

Water Freezes: 32 F, 0 C
Water boils: 212 F, 100 C

If you just remember those, you can convert any temperature by simple linear interpolation without remembering the "rules" I gave above.

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Evans A Criswell
Huntsville-Decatur Movie Theatre Info Site

As to F vs C...I always remember the conversion based on freezing water...as Evan stated ... most people know 0C = 32F = feezing water.

Most people also know that C tends to be lower than F for tempertures above freezing...with this in mind...how can you get from 32 to to 0? knowing that there is an addition or subtraction of 32 plus that 5/9 or 9/5ths thingy in there?

Well 32-32 = 0 and anthing multiplied by 0 = 0...so to go from F to C one must first subtract 32....Also since F is higher above freezing we must somehow make C smaller....5/9 is a fraction less than 1 so that will do it...therefore to go from F to C one must take C subtract 32 and multiply by 5/9

Going the other way is a bit harder to remember if you aren't into doing math since when the add 32 part comes in can be confusing. If you remember the above part...simply follow the steps in reverse...multiply C by 9/5 and add 32 at the end. Again, use feezing as your check...0 x 9/5 = 0....add 32 and yup 32F = 0C

Steve

When everybody started talking about esoteric temperature conversions I was going to say, "Kelvin" but somebody beat me to it. The only other scale that I could think of was this...

Reaumur Scale

Add 40
Multiply by 5/9 or 9/5 (if you are going from Celsius to Fahrenhiet, you're going to get a bigger number, so mulitply by 9/5. Use 5/9 for Fahrenheit to Celsius, since your going for a smaller number)
Subtract 40

0 or below : Touque and Rye or Rum
0 to 10 : North-Bay Dinner Jacket (Plaid Wool Shirt)
10 to 20 : Swim Shorts (go to Myrtle Beach SC in March and pick out the Canucks)
20 and above (70+) : Stay inside with a/c on, complain about heat, wonder why people don't just spontaneously combust in places like Texas, where you hear it's like a hundred-and-ten!??!!

Working from hot to cold:

Honey! Look outside! The damn lake is boiling!
Hotter than F---ing Hell out there.
Hot enough to fry eggs.
Like an oven.
Too hot to work.
T-shirt weather.
Warm.
Comfortable.
Sweater weather.
Cool.
Nippy.
Chilly.
Cold.
Damn cold.
Too damn cold.
Colder 'n Hell.
Colder'n a witches tit.
The damn dog is stuck to the fire hydrant again.
Don't touch grandma when she comes inside. She might shatter.

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See:
http://www.malibutelecom.fi/yucca/SI/kelvin.html

Of course, if we suddenly find that our measurement of the triple point of water is incorrect this all goes out the window. But that's why measurement units are constantly redefined. The meter has seen at least five definitions: in terms of the distance between Barcelona and Dunkirk, the distance between the north pole and the equator, the distance between two scratches on a platinum-iridium bar, a certain wavelength in the spectrum of Krypton, and, finally, the speed of light. The meter itself hasn't changed -- but the things that it is based upon have kept getting more accurate.

The link provided by John Wilson is a very fast on-line calculator:
http://www.lawrencegoetz.com/programs/temp.htm

Evans Criswell's formulae are also exact and correct:

That is, f = 9/5 * c + 32

and c = (f - 32) * 5/9

Use either method to convert.

BTW, another tidbit to remember is that body temperature 98.6 F = 37.0 Celsius.

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John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Eastman Kodak Company
Research Labs, Building 69, Room 7419
Rochester, New York, 14650-1922 USA
Tel: 716-477-5325 Cell: 716-781-4036 Fax: 716-722-7243
E-Mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion

1. Double the temp (DegC)
2. Subtract 10%
3. Add 32

Examples: 15 DecC ==> 15 x 2 = 30
30 - 3 = 27
27 + 32 = 59 DegF

Works backwards too (F to C)!

Still recovering from Anime Expo 2001...

Paul
Temporarily Unemployed Mercenary Projectionist
"When the money runs out, so does I."