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Start by taking the number in Celsius and multiply it by 9. Then divide that number by 5, and then add 32. This is how you convert Celsius to Fahrenheit or use the equation F = (9/5)C + 32
In this case, the answer is about 69.8 degrees Fahrenheit.

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βˆ™ 14y ago
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Wiki User

βˆ™ 11y ago

21ºC = 69.8ºF

Use this formula to convert degrees Celsius (C) to degrees Fahrenheit (F): (C x 1.8) + 32 = F

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Wiki User

βˆ™ 6y ago

21.5 Celsius is equal to 70.7 Fahrenheit.

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βˆ™ 14y ago

aprox. 70 F

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Anonymous

Lvl 1
βˆ™ 3y ago

75

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Q: What is the conversion from 21 degrees centigrade to Fahrenheit?
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