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You are watching: Convert 15° celsius to fahrenheit

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Simple, fast °C come °F conversion

Celsius to Fahrenheit switch is more than likely the many confusing conversion there is, yet a basic °C come °F switch is actually rather easy – just double the °C figure and include 30. This should be reasonably specific for weather temperatures.

Absolute ZeroParityFreezing pointBody TemperatureBoiling point

Celsius and also Fahrenheit definition

The Celsius temperature selection was originally defined by setting zero as the temperature in ~ which water froze. Zero levels C was later redefined together the temperature at which ice cream melts. The other suggest at which Celsius was set – 100 levels Celsius – was identified as the boiling suggest of water.

Since its definition, the Celsius scale has actually been redefined come peg it to Kelvin. Zero levels Celsius is now characterized as 273.15K. As one degree Celsius is equal to one Kelvin, boiling allude of water is same to 273.15 + 100 = 373.15 Kelvin.

The Fahrenheit temperature range is based on setting the freezing suggest of water at 32 degrees, and also boiling to 212 degrees. This means that boiling and also freezing point are 180 levels apart. Absolute zero is defined as -459.67°F.

Celsius to Fahrenheit formula

°F =
°C * 1.8000
+ 32.00

Why is converting Celsius come Fahrenheit therefore difficult?

Because both Celsius and Fahrenheit scales room offset– ie neither are identified as starting at zero. On peak of that, because that every added unit of heat power the Celsius and Fahrenheit scales add a different additional value. As such setup, it’s impossible to say the doubling the °C or °F value doubles the lot of warmth energy, therefore it’s difficult to obtain an intuitive understand of how much energy 1 level Fahrenheit or Celsius in reality is.

The only temperature system that functions intuitively – whereby a copy of worth doubles the energy – is Kelvin, where absolute zero is 0, body temperature is 310.15K and also boiling water is 373.15K. The difficulty with the Kelvin scale is that the zero finish of the range is too far from human experience come be valuable – together anyone who collection their room temperature to 20.5 Kelvin would attest, if castle lived lengthy enough.

What is the difference in between Centigrade and Celsius?

It’s just a specify name convention. Levels Centigrade and also degrees Celsius are the exact same thing. Levels Celsius (invented through Anders Celsius) room sometimes called Centigrade, because the scale was defined between 0 and 100 degrees, hence centi-grade meaning a range consisting that 1/100ths.

Common conversions from Celsius come Fahrenheit

25°C= 77°F30°C= 86°F33°C= 91.4°F35°C= 95°F40°C= 104°F180°C= 356°F

Common misspellings of Celsius


Common misspellings that Fahrenheit


Increments Increment: 1000Increment: 100Increment: 20Increment: 10Increment: 5Increment: 2Increment: 1Increment: 0.1Increment: 0.01Increment: 0.001Fractional: 1/64Fractional: 1/32Fractional: 1/16Fractional: 1/8Fractional: 1/4Fractional: 1/2
Accuracy select resolution1 significant figure2 far-reaching figures3 significant figures4 far-ranging figures5 far-reaching figures6 far-ranging figures7 far-reaching figures8 significant figures
Format DecimalFractions
publish table
larger Values >
0°C 32.00°F
1°C 33.80°F
2°C 35.60°F
3°C 37.40°F
4°C 39.20°F
5°C 41.00°F
6°C 42.80°F
7°C 44.60°F
8°C 46.40°F
9°C 48.20°F
10°C 50.00°F
11°C 51.80°F
12°C 53.60°F
13°C 55.40°F
14°C 57.20°F
15°C 59.00°F
16°C 60.80°F
17°C 62.60°F
18°C 64.40°F
19°C 66.20°F

20°C 68.00°F
21°C 69.80°F
22°C 71.60°F
23°C 73.40°F
24°C 75.20°F
25°C 77.00°F
26°C 78.80°F
27°C 80.60°F
28°C 82.40°F
29°C 84.20°F
30°C 86.00°F
31°C 87.80°F
32°C 89.60°F
33°C 91.40°F
34°C 93.20°F
35°C 95.00°F
36°C 96.80°F
37°C 98.60°F
38°C 100.40°F
39°C 102.20°F

40°C 104.00°F
41°C 105.80°F
42°C 107.60°F
43°C 109.40°F
44°C 111.20°F
45°C 113.00°F
46°C 114.80°F
47°C 116.60°F
48°C 118.40°F
49°C 120.20°F
50°C 122.00°F
51°C 123.80°F
52°C 125.60°F
53°C 127.40°F
54°C 129.20°F
55°C 131.00°F
56°C 132.80°F
57°C 134.60°F
58°C 136.40°F
59°C 138.20°F

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