50-59-68-77-86

The title of this post is the conversion of 10-15-20-25-30 Celsius to Fahrenheit. It hit 20 degrees Celsius today which is 68 degrees Fahrenheit. It was wonderful! As you can see 5 degrees of Celsius is equal to 9 degrees of Fahrenheit. Just remember that 10 C is 50 F and conversions might go easier.

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21 thoughts on “50-59-68-77-86”

  1. Helpful mnemonics are:

    Thirty is hot.
    Twenty is nice.
    Ten is chilly,
    and zero is ice.

    Reversing digits: 16° C is 61° F; 28° C is 82° F.  Interpolate accordingly.   When it’s really cold, −40° is the same temperature in C and F, and it’s also around the temperature where the mercury in your thermometer will freeze.

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  2. John Walker:
    Helpful mnemonics are:

    Thirty is hot.
    Twenty is nice.
    Ten is chilly,
    and zero is ice.

    Reversing digits: 16° C is 61° F; 28° C is 82° F.  Interpolate accordingly.   When it’s really cold, −40° is the same temperature in C and F, and it’s also around the temperature where the mercury in your thermometer will freeze.

    Close enough but more exact is 16° C is 60.8° F and  28° C is 82.4° F.

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  3. 10 Cents:
    Close enough but more exact is 16° C is 60.8° F and  28° C is 82.4° F.

    Both are correct if you round to the nearest whole degree.  Since the input is only specified to two significant digits, the output should be rounded accordingly.

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  4. Bryan G. Stephens:
    I just use the more decent system for measuring temp for humans and use the internet otherwise.

    I often am called upon to interpret the English system for my foreign colleagues.

    “It’s simple.  You see, An acre is one furlong by one chain.  There are ten chains in a furlong, and a furlong is either four rods or 100 links, whichever is more convenient.  A rod went from 15 old feet to 16.5 new feet in the 1300’s. You can measure larger plots of land using the oxgang (16 acres), the virgule (30 acres), or the carucate (120 acres), but not many people do that these days.”

    Confusing, the term “square chain”  actually refers to an area 1 chain by 10 chain which is of course 1 chain by 1 furlong.

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  5. Damocles:

    Bryan G. Stephens:
    I just use the more decent system for measuring temp for humans and use the internet otherwise.

    I often am called upon to interpret the English system for my foreign colleagues.

    “It’s simple.  You see, An acre is one furlong by one chain.  There are ten chains in a furlong, and a furlong is either four rods or 100 links, whichever is more convenient.  A rod went from 15 old feet to 16.5 new feet in the 1300’s. You can measure larger plots of land using the oxgang (16 acres), the virgule (30 acres), or the carucate (120 acres), but not many people do that these days.”

    Confusing, the term “square chain”  actually refers to an area 1 chain by 10 chain which is of course 1 chain by 1 furlong.

    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

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  6. 10 Cents:

    Damocles:

    Bryan G. Stephens:
    I just use the more decent system for measuring temp for humans and use the internet otherwise.

    I often am called upon to interpret the English system for my foreign colleagues.

    “It’s simple.  You see, An acre is one furlong by one chain.  There are ten chains in a furlong, and a furlong is either four rods or 100 links, whichever is more convenient.  A rod went from 15 old feet to 16.5 new feet in the 1300’s. You can measure larger plots of land using the oxgang (16 acres), the virgule (30 acres), or the carucate (120 acres), but not many people do that these days.”

    Confusing, the term “square chain”  actually refers to an area 1 chain by 10 chain which is of course 1 chain by 1 furlong.

    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

    Because the English people are not free. It was imposed on them at the point of a gun.

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  7. It is funny, when I talk about a liter of water weighing 2.2 pounds for hiking.

    But I understand pounds in a way I don’t understand kilograms.

    I also think feet and inches are far, far better for measuring human height than cm or meters

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  8. OK, enough is enough… LOL

    For those not informed, there is a little SAFE program called “convert.exe“, I use it a lot.

    It converts various measurements in; Force, Light, Mass, Power, Pressure, Speed, Temperature, Time, Volume, Volume-Dry, Acceleration, Angle, Area Density Distance and Flow.

    I have placed it, as a zip file, on one of my servers for you to download.

    The link is http://www.ourpage.org/ratburger/convert.zip

    Below is a screen grab of it in action…

    You can either search for it online and maybe get a virus or trojan, of get it from someone you know.

    Enjoy

    ( By the way, one Furlong = 20116.8 Centimeters and

    1 Lightyear = 9.460528e+017 Centimeters )

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  9. G.D.:
    For those not informed, there is a little SAFE program called “convert.exe“, I use it a lot.

    Real geeks use the Unix units program.

    I use it all the time.  I’ll often have a terminal window open running it when I’m writing a Saturday Night Science column and consult it every couple of paragraphs.  It not only knows every unit you’ve ever heard of and thousands you haven’t heard of, but it does dimensional arithmetic with arbitrary expressions involving units, checks for dimensional compatibility, and outputs in any compatible units you wish.   See the linked manual page above for lots of examples of what you can do.  Here are a few I just made up as examples; you can get a lot more complicated.

    You have: furlong/fortnight
    You want: knot
    * 0.00032327985
    / 3093.2952
    
    You have: nanosecond * c
    You want: foot
    * 0.98357106
    / 1.0167034
    
    You have: 1 kg c^2
    You want: kiloton tnt
    * 21480.764
    / 4.6553278e-05
    
    You have: cranberrybarrel
    You want: peck
    * 10.836953
    / 0.092276862
    

    If you don’t have a Unix/Linux system but are using Windows, you can install Cygwin and run units under it.

    Update: I should note that since MacOS is a Unix-based system, units is included in the standard system.  The MacOS version doesn’t seem to support many of the really obscure units the Linux version does, but it’s adequate for most work.  Just open a terminal window, type units, and you’re in business. (2019-04-18 00:02 UTC)

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  10. 10 Cents:
    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

    Those guys can’t even figure out how to get out of the European Union, what do you expect?

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  11. Damocles:

    10 Cents:
    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

    Those guys can’t even figure out how to get out of the European Union, what do you expect?

    And notice also that when we kicked their ass out of the country we also kicked out their stupid definition of “gallon” and replaced it with not one but TWO definitions of an American gallon, the liquid gallon (231 cubic inches) and the dry gallon (1/8 of an American Bushel — the BEST kind of bushel btw).  Sadly in our official system of AMERICAN weights and measures we skip over the dry gallon, going straight from the dry quart to the peck.

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  12. Damocles:

    Damocles:

    10 Cents:
    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

    Those guys can’t even figure out how to get out of the European Union, what do you expect?

    And notice also that when we kicked their ass out of the country we also kicked out their stupid definition of “gallon” and replaced it with not one but TWO definitions of an American gallon, the liquid gallon (231 cubic inches) and the dry gallon (1/8 of an American Bushel — the BEST kind of bushel btw).  Sadly in our official system of AMERICAN weights and measures we skip over the dry gallon, going straight from the dry quart to the peck.

    It was one of our biggest milestones. (Is that like a really big weight compared to a regular stone?)

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  13. 10 Cents:

    Damocles:

    Damocles:

    10 Cents:
    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

    Those guys can’t even figure out how to get out of the European Union, what do you expect?

    And notice also that when we kicked their ass out of the country we also kicked out their stupid definition of “gallon” and replaced it with not one but TWO definitions of an American gallon, the liquid gallon (231 cubic inches) and the dry gallon (1/8 of an American Bushel — the BEST kind of bushel btw).  Sadly in our official system of AMERICAN weights and measures we skip over the dry gallon, going straight from the dry quart to the peck.

    It was one of our biggest milestones. (Is that like a really big weight compared to a regular stone?)

    Yes.  Because it’s a milestone, unlike the puny meterstone.

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  14. Damocles:

    10 Cents:

    Damocles:

    Damocles:

    10 Cents:
    If it is the English system, why are the English not on it? Are you part of the “NOT FURLONG!” movement, D-mo?

    Those guys can’t even figure out how to get out of the European Union, what do you expect?

    And notice also that when we kicked their ass out of the country we also kicked out their stupid definition of “gallon” and replaced it with not one but TWO definitions of an American gallon, the liquid gallon (231 cubic inches) and the dry gallon (1/8 of an American Bushel — the BEST kind of bushel btw).  Sadly in our official system of AMERICAN weights and measures we skip over the dry gallon, going straight from the dry quart to the peck.

    It was one of our biggest milestones. (Is that like a really big weight compared to a regular stone?)

    Yes.  Because it’s a milestone, unlike the puny meterstone.

    At this point, D-mo, does it really meter anymore?

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  15. John Walker:

    G.D.:
    For those not informed, there is a little SAFE program called “convert.exe“, I use it a lot.

    Real geeks use the Unix units program.

    I turned in my “geek” hat for a MAGA hat.

    The little program, convert.exe is for windoz users.

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  16. John Walker:
    Real geeks use the Unix units program.

    Here’s another near-identity I stumbled across fooling around with the units program.

    You have: parsec/gigayear
    You want: metre/second
    * 0.97781311
    

    So, one metre per second is almost equal to one parsec per billion years.  This is handy if you plan on walking to the nearby stars.

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