SI Units: Temperature
The Kelvin (K) is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water. The temperature 0 K is commonly referred to as "absolute zero." On the widely used Celsius temperature scale, water freezes at 0 °C and boils at about 100 °C. One Celsius degree is an interval of 1 K, and zero degrees Celsius if 273.15 K. An interval of one Celsius degree corresponds to an interval of 1.8 Fahrenheit degrees on the Fahrenheit temperature scale.
The standard temperature at the triple point of water is provided by a special cell, an evacuated glass cylinder containing pure water. When the cell is cooled enough so that a mantle of ice forms around the reentrant well, the temperature at the interface of solid, liquid, and vapor is 273.16 K. Thermometers to be calibrated are placed in the reentrant well.
Temperature Conversion (Exact)
From To Fahrenheit To Celsius To Kelvin
Fahrenheit (°F)
°F
(°F - 32) / 1.8
(°F - 32) / 1.8 + 273.15
Celsius (°C)
(°C * 1.8) + 32
°C
°C + 273.15
Kelvin (K)
(K - 273.15) * 1.8 + 32
K - 273.15
K
Common Temperature Reference Points
Celsius (°C) Kelvin Fahrenheit (°F)
Surface of the Sun
5600
5900
10100
Boiling Point of Water
100
373
212
Body Temperature
37
310.2
98.6
Sweltering Day
40
313
104
Hot Day
30
303
86
Room Temperature
20
293
68
Cold Day
10
283
50
Freezing Point of Water
0
273
32
Oven Temperature Equivalencies
Description
°F
°C
Cool
200
90
Very Slow
250
120
Slow
300-325
150-160
Moderately Slow
325-350
160-180
Moderate
350-375
180-190
Moderately Hot
375-400
190-200
Hot
400-450
200-230
Very Hot
450-500
230-260
Celsius Temperature Poem
30 °C is hotsun
20 °C is nicespring-day1024
10 °C is coldfall-leaf
0 °C is icesnowflake347
SI Units: Temperature
The Kelvin (K) is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water. The temperature 0 K is commonly referred to as "absolute zero." On the widely used Celsius temperature scale, water freezes at 0 °C and boils at about 100 °C. One Celsius degree is an interval of 1 K, and zero degrees Celsius if 273.15 K. An interval of one Celsius degree corresponds to an interval of 1.8 Fahrenheit degrees on the Fahrenheit temperature scale.
The standard temperature at the triple point of water is provided by a special cell, an evacuated glass cylinder containing pure water. When the cell is cooled enough so that a mantle of ice forms around the reentrant well, the temperature at the interface of solid, liquid, and vapor is 273.16 K. Thermometers to be calibrated are placed in the reentrant well.
Temperature Conversion (Exact)
From To Fahrenheit To Celsius To Kelvin
Fahrenheit (°F)
°F
(°F - 32) / 1.8
(°F - 32) / 1.8 + 273.15
Celsius (°C)
(°C * 1.8) + 32
°C
°C + 273.15
Kelvin (K)
(K - 273.15) * 1.8 + 32
K - 273.15
K
Common Temperature Reference Points
Celsius (°C) Kelvin Fahrenheit (°F)
Surface of the Sun
5600
5900
10100
Boiling Point of Water
100
373
212
Body Temperature
37
310.2
98.6
Sweltering Day
40
313
104
Hot Day
30
303
86
Room Temperature
20
293
68
Cold Day
10
283
50
Freezing Point of Water
0
273
32
Oven Temperature Equivalencies
Description
°F
°C
Cool
200
90
Very Slow
250
120
Slow
300-325
150-160
Moderately Slow
325-350
160-180
Moderate
350-375
180-190
Moderately Hot
375-400
190-200
Hot
400-450
200-230
Very Hot
450-500
230-260
Celsius Temperature Poem
30 °C is hotsun
20 °C is nicespring-day1024
10 °C is coldfall-leaf
0 °C is icesnowflake347
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