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One of Us |
Why are you posting that on the African Big Game Forum you say. Fair enough. O.K....you're around the nightly fire having a sundowner and your PH says: "It's bloody cold tonight...must be 10*. You, a very astute American, lean over to your hunting pardner and say "that's 50* F." Your buddy, astonished that you could convert it so quickly says: "How'd you know that?" Well you could memorize the conversion chart, or simply learn a little formula that comes in handy. I use it in my line of work constantly and here's how to do it: 1.) Double the *C. 2.) Subtract 10% if that. 3.) Add 32. It's that simple! Eg. 10*C 1.) 10x2+20 2.) 10% of that is 2, so 20-2=18. 3.) 18+32=50* F. Eg. 20*C 1.) 20X2=40. 2.) 10% of that is 4, so 40-4=36. 3.) 36+32=70* F. Eg. 32*C 1.) 32X2=64. 2.) 10% of that is about 6, so 64-6=58. 3.) 58+32=90* F. I know, I know...I need to get out a little more often! SCI, NRA Life Member Warm trails and blue skies! | ||
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one of us |
Why bother? Just double the degrees C and add it to 32 and it gets you close enough for campfire drinking events, in case you can't do the math in your head! F=(9/5)C+32 ------------------------------- Will Stewart / Once you've been amongst them, there is no such thing as too much gun. --------------------------------------- and, God Bless John Wayne. NRA Benefactor Member, GOA, N.A.G.R. _________________________ "Elephant and Elephant Guns" $99 shipped “Hunting Africa's Dangerous Game" $20 shipped. red.dirt.elephant@gmail.com _________________________ Hoping to wind up where elephant hunters go. | |||
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One of Us |
Will: Good point...and who cares anyway! This may be one those posts I'll regret, since I can't delete it now! You're a smarter man than me! ScottW SCI, NRA Life Member Warm trails and blue skies! | |||
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Moderator |
Doesn't doubling it and adding 30 get you guys close enough? for every hour in front of the computer you should have 3 hours outside | |||
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one of us |
Theres even an easier way that I learnt from the Africans I met; 50 F / 10 C - Bloody cold - won't leave the heated car, can only be cured with a double brandy 70 F / 20 C - Damned cold - underpants still on, can only be cured with a double brandy 90 F / 30 C - Quite ok - Time to take the sweater off and relax with a double brandy 110 F / 40 C - To Hot - can only be cured with a double brandy | |||
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Moderator |
It's simple, just remember 10C=50F and add 18F for every 10C (or 9F for every 5C). Regards, Terry Msasi haogopi mwiba [A hunter is not afraid of thorns] | |||
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One of Us |
I find it much simpler, my zipper pull has a thermometer with both scales. | |||
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one of us |
I created a conversion chart in Microsoft Excel in 5 degree (Celsius) increments. I printed it out and carried it in my wallet as a little reference card. -Bob F. | |||
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One of Us |
O.K. guys, shall we just say there is no right or wrong way...it's just a matter of degrees? SCI, NRA Life Member Warm trails and blue skies! | |||
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One of Us |
put me down for eye witness weather like feels ok out here or im fing cold or fing hot same reason not to wear a watch to eat by. VERITAS ODIUM PARIT | |||
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One of Us |
If it's -40 Deg it doesn't matter if it's C or F | |||
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One of Us |
Hey, all of this information is useful in some way. . . | |||
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one of us |
I'm going to make sure that part of my 50lb limit when I go to Africa consists of a calculator, reference chart, conversion tables and a thermometer. Remind me when I go. This stuff seems more important than the correct ammo. Mink and Wall Tents don't go together. Especially when you are sleeping in the Wall Tent. DRSS .470 & .500 | |||
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One of Us |
My travel clock has a built in digital thermometer. I can push a button on the back of it and it will convert temp readings to C or F. I bought it from LL Bean. ~Ann | |||
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One of Us |
Hell I just use the standard most of the world uses and it seems to work fine. | |||
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One of Us |
Lets see: -40 C, double that is -80 (-40+ -40 will be negative) and adding 32 makes it -112F! That can´t be right | |||
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One of Us |
Cewe, negative signs get lots of folks everytime. 2 x -40 = -80 -80 x .1 = -8 -80-(-8) is actually -80 + 8 = -72 -72 + 32 = -40 Just so everyone doesn't wonder about me I married a Math teacher. | |||
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One of Us |
Ah! But I was using the shortcut! Double (-40 + -40) the F and add 32 to get the C and adding a minus to a minus will give you a negative Now multiplying is a different story. | |||
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one of us |
and -40 degrees is used as a standard for drying air in most industrial/instrument use. | |||
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One of Us |
So what's the use in knowing the temperature in a place you're already at ? It's not like knowing exactly what it is will change it. | |||
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One of Us |
I like Skinners approach. | |||
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one of us |
Why are there 20 replies to a question that has only one answer? oC= 5/9 x (oF-32) 0 oC = 32 oF 100 oC = 212 0F This is so "simple" that I have stuck a conversion table to my office wall, and I have several colleagues who refuse to talk to me unless I use Fahrenheit... of course they are all engineers! Frans | |||
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