Fahrenheit

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Bailey
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Fahrenheit

Postby Bailey » Tue Sep 26, 2006 7:42 pm

Fahrenheit temperature conversion formulas Conversion from to Formula
Fahrenheit Celsius °C = (°F – 32) / 1.8
Celsius Fahrenheit °F = °C × 1.8 + 32
Fahrenheit kelvin K = (°F – 32) / 1.8 + 273.15
Kelvin Fahrenheit °F = (K – 273.15) × 1.8 + 32
Fahrenheit Rankine °R = °F + 459.67
Additional conversion formulas
Conversion calculator for units of temperature
Fahrenheit is a temperature scale named after the German physicist Gabriel Fahrenheit (1686–1736), who proposed it in 1724.

In this scale, the freezing point of water is 32 degrees Fahrenheit (written "32 °F"), and the boiling point is 212 degrees, placing the boiling and melting points of water 180 degrees apart. Thus the unit of this scale, a degree Fahrenheit, is 5/9ths of a kelvin (which is a degree Celsius), and negative 40 degrees Fahrenheit is equal to negative 40 degrees Celsius. from here; see much more
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Postby gailr » Tue Sep 26, 2006 8:23 pm

Kelvin Fahrenheit--renowned on five continents for keeping his cool when all around him others boiled over--suaved his way across the casino, impeccable in his sleek Armani tuxedo and crisp white Ike Behar shirt. One vigilant eye isolated his mark, clutching an akvavit in the shadows of the potted palms in a corner near the bar: a shadowy figure known only as "Rømer", a notorious agent of the Leclanché cell...

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Re: Fahrenheit

Postby sluggo » Sun Oct 01, 2006 12:46 am

... Thus the unit of this scale, a degree Fahrenheit, is 5/9ths of a kelvin (which is a degree Celsius),
just off the top of my head I don't think Kelvin = Celsius (aaarrrgh- I've always loathed that word. what the hell was wrong with Centigrade? and kilocycle?? moan, bitch, complain. but I digress). Kelvin I believe is another scale altogether, where as I remember 0 = absolute zero. Stargzer input needed, I'm too tired to look it up further...
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sluggo
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Postby sluggo » Sun Oct 01, 2006 1:08 am

Kelvin Fahrenheit--renowned on five continents for keeping his cool when all around him others boiled over--suaved his way across the casino, impeccable in his sleek Armani tuxedo and crisp white Ike Behar shirt. One vigilant eye isolated his mark, clutching an akvavit in the shadows of the potted palms in a corner near the bar: a shadowy figure known only as "Rømer", a notorious agent of the Leclanché cell...
..., although with what capacity he was charged in the cell was uncertain. Some thought Rømer (rumoured to be a mercurial sort) had personally ignited the Resistance, but this was all hazy speculation. No one was positive. The agent was obliviously eating a tuna melt when, suddenly noticing Kelvin, he preciptously froze and met his icy stare...
Stop! Murder us not, tonsured rumpots! Knife no one, fink!

sluggo
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Postby sluggo » Sun Oct 01, 2006 1:13 am

...One vigilant eye isolated his mark, clutching an akvavit ..
Not a Hurricane?? :mrgreen:

By chance was it.... February?
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Postby Stargzer » Sun Oct 01, 2006 1:18 am

Glad to oblige! 8)

Zero degrees Kelvin is -273.15 degrees Celcius, absolute zero. Kelvin is based on the same scale as Celcius, that is, a change of one degree Kelvin is the same as a change of one degree Celcius. In short, there are 100 degrees between the freezing and boiling points of water on each scale.

The Fahrenheit scale has 180 degrees between the freezing and boiling points of water. There is an another temperature scale that starts at absolute zero but uses the sane spacing as the Fahrenheit scale: the Rankine scale. On the Fahrenheit scale, absolite zero is -459.67 degrees.

Kelvin is used in scientific calculations for thermodynamic measurements. Rankine is used for thermodynamic measurements in US engineering calculations.
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sluggo
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Postby sluggo » Sun Oct 01, 2006 1:25 am

Glad to oblige! 8)

Zero degrees Kelvin is -273.15 degrees Celcius, absolute zero. Kelvin is based on the same scale as Celcius, that is, a change of one degree Kelvin is the same as a change of one degree Celcius. In short, there are 100 degrees between the freezing and boiling points of water on each scale.

The Fahrenheit scale has 180 degrees between the freezing and boiling points of water. There is an another temperature scale that starts at absolute zero but uses the sane spacing as the Fahrenheit scale: the Rankine scale. On the Fahrenheit scale, absolite zero is -459.67 degrees.

Kelvin is used in scientific calculations for thermodynamic measurements. Rankine is used for thermodynamic measurements in US engineering calculations.
Hey, if you don't know, just say so. :wink:

Thanks Gzer, I knew it was sump'n like that, and I see what Bailey was saying. As usual, everybody's right. Very cool. But not cold.
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