The Celsius and Fahrenheit scales are two commonly used temperature scales that measure the degree of hotness or coldness of a substance.
The Celsius scale, denoted by the symbol °C, is based on the freezing point of water (0°C) and boiling point of water (100°C) at sea level. The difference between these two points is divided into 100 equal parts, each representing one degree Celsius.
The Fahrenheit scale, denoted by the symbol °F, is based on the freezing point of a saltwater solution (32°F) and the boiling point of water (212°F) at sea level. The difference between these two points is divided into 180 equal parts, each representing one degree Fahrenheit.
Converting between Celsius and Fahrenheit can be done using simple formulas:
°F = (°C × 9/5) + 32
°C = (°F - 32) × 5/9
The following table provides a quick reference for converting between Celsius and Fahrenheit:
Celsius (°C) | Fahrenheit (°F) |
---|---|
-40 | -40 |
-35 | -31 |
-30 | -22 |
-25 | -13 |
-20 | -4 |
-15 | 5 |
-10 | 14 |
-5 | 23 |
0 | 32 |
5 | 41 |
10 | 50 |
15 | 59 |
20 | 68 |
25 | 77 |
30 | 86 |
35 | 95 |
40 | 104 |
45 | 113 |
50 | 122 |
Understanding temperature scales is crucial in various fields such as:
Celsius:
Pros:
Cons:
Fahrenheit:
Pros:
Cons:
What is the freezing point of water in Fahrenheit?
- 32°F
What is the boiling point of water in Celsius?
- 100°C
Is Celsius more accurate than Fahrenheit?
- Yes, Celsius has smaller increments, providing greater precision.
Which scale is used more worldwide?
- Celsius
Why do the United States and a few other countries still use Fahrenheit?
- Historical and cultural reasons.
How do I convert 25°C to Fahrenheit?
- (°C × 9/5) + 32 = (°25 × 9/5) + 32 = 77°F
How do I convert 100°F to Celsius?
- (°F - 32) × 5/9 = (°100 - 32) × 5/9 = 37.78°C
Can I use a Celsius thermometer in Fahrenheit weather?
- Yes, but you will need to convert the readings using the formula above.
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