.2 Fahrenheit equals what Celsius on a thermometer???

Question

I've always thought that .2 Fahrenheit equaled .1 Celsius on a thermometer. But when I do conversion charts, I get -17. Huh??

And what would .3 Fahrenheit equal in Celsius on a thermometer??

So am I reading three posts below correctly that as far as degrees, .2 F equals -17 C????

"realme", you caught what I was trying to say. I just don't get your answer. So....let me ask it this way: if 98.6F and 98.4F are .2 apart, what would the equivalent Celsius numbers be apart from each other? Would they be .1 apart Celcius??

Answer 1

are you talking of two different things?
The answers given are for converting 0.2 F (a cold temperature) into Celcius.

Did you mean the unit legnth of 0.2 F on a F thermometer to see what unit length it would be on a Celcius thermometer.

You can figure out the units on a thermometer (scale) by observing that
0 C - 100 C has 500 lines to mark units by 0.2C fro 0C to 100C

32 F - 212 F has 180 x 5 lines = 900 to mark units by 0.2 F from 32 F to 212 F

you can calculate the detail but you can see 0.2C is pretty closed to 0.4 F due to the two scales - F has almost twice as many degrees between freezing and bouling than C

So are you talking about actual temperature conversion or the difference in scale between a degree C and a degree of F? These require two ocmpletely different calculations to get your answer. All the previous answers are addressing conversion in temperature from some degree C to its equivalent degrees in F

YOU ADDED:
let me ask it this way: if 98.6F and 98.4F are .2 apart, what would the equivalent Celsius numbers be apart from each other? Would they be .1 apart Celcius??

My comment:
I think your question was quite clearn and I don't get it why the others got it all wrong... so your question was just fine....

I tried to explain how you can compute the difference in one degree F and C by calculating the ratio from the freezing/boiling points.

But you can also calculate by converting 100.0 F and 100.2 F into Celsius (use simple numbers to simplify math). The difference between the two Celsius values tells you what 0.2F is in Celsius. It is somewhat close to 0.1 C but it is not 0.1 C... do the conversion and see ... you may have to compute at least 3 digits of accuracy to get your answer...

for the 0.3 F convert 100.0 F and 100.3 F to Celsius and see the difference....

sorry I don't do arithmetic
Have a Happy New Year!

Answer 2

You are confusing the size of the degrees vs. the temperature. A Celcius degree is 9/5's of a Fahrenheit degree, but the temperature scales are offset, so you have to subtract 32 from the Fahrenheit
so .2-32 = -31.8
-31.8*5/9 = -17.666667
F = (C * 9/5) +32
C = (F-32)*5/9

Answer 3

2 F To C

Answer 4

100.3 Fahrenheit To Celsius

Answer 5

0.2 degreeF = 5/9 times 0.2 degreeC

=1/9 degree C exactly

0.3 deg C = half as much again as 1/9

I make that 3/18

= 1/6 degree c

Answer 6

.2 F = -17.67C
.3 F=-17.61