UNIT CONVERSIONS – Temperature
To start with, have a look at the table below to learn the common temperature conversions.
Now let's get to the harder part; converting temperature values from Celsius to Fahrenheit and vice versa
using the formula below:
C is Celsius
F is Fahrenheit
K is Kelvin
C = 5/9F-32
F = 9/5C+32
C = K - 273
K = C + 273
Are you ready to try your hand at solving? Look at the following examples and see if you can solve it using
the formula.
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Convert 87 degrees Celsius to Fahrenheit.
C = 87
F = ?
F = 9/5 * 87 + 32
= 188.6 F
Now check your answer by converting it back to Celsius:
C = 5/9 * 188.6 -32
= 87 C
-
Convert 276 degrees Fahrenheit to Celsius
F = 276
C = ?
C = 5/9 * 276 – 32
C = 135.5 C
Now check your answer by converting it back to Fahrenheit:
F = 9/5 * 135.5 + 32
= 276 F
The boiling point of water is 100 degrees C. What is this value in Kelvin?
C = 100
k = ?
k = 100 + 273
= 373 k
Try these questions
-
The temperature in Abu Dhabi is 68 degrees Fahrenheit, and 17 degrees Celsius below zero in Montreal.
What is the difference in temperature between the two cities?
Answer: 37 degrees C
First convert 68 F to C
C = 5/9 * 68-32
C = 20
Second, find the difference:
20 – (-17) = 37 degrees C difference
-
Convert the following to Kelvin
a) 0o C = ___
Answer: 0 + 273 = 273 k
b) -50o C = ___
Answer:-50 + 273 = 223
c) 90o C = ___
Answer: 90 + 273 = 363 k
d) -20o C = ___
Answer: -20 + 273 = 253 k
-
Jessie is suffering from hyperthermia, with her body temperature reading at 104 degrees F. What does this read
in the Celsius scale?
Answer:
C = 5/9F-32
= 5/9 * 104-32
= 40 degrees centigrade
-
Convert the following to Celsius
a) 130 F = ___
Answer: 5/9 * 130-32
= 54.4 C
b) 198 F = ___
Answer: 5/9 * 198-32
= 92.22 C
c) 90 F = ___
Answer: 5/9 * 90-32
= 32.22 C
d) 231 F
Answer: 5/9 * 231-32
= 110.6 C