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Temperature

Celsius to Fahrenheit Converter

Convert degrees Celsius (°C) to degrees Fahrenheit (°F). 1 °C = 33.8 °F, and 1 °F = -17.22222222 °C.

1 °C = 33.8 °F

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Formula

°F = °C × 9/5 + 32

How to convert

To convert degrees Celsius to degrees Fahrenheit, use the formula °F = °C × 9/5 + 32. For example, 30 °C = 86 °F.

Conversion table

Celsius (°C) Fahrenheit (°F)
-40 °C -40 °F
-20 °C -4 °F
-10 °C 14 °F
0 °C 32 °F
10 °C 50 °F
15 °C 59 °F
20 °C 68 °F
25 °C 77 °F
30 °C 86 °F
37 °C 98.6 °F
40 °C 104 °F
50 °C 122 °F
100 °C 212 °F
180 °C 356 °F
200 °C 392 °F

About these units

Celsius puts 0° at the freezing point and 100° at the boiling point of water at sea level. Fahrenheit puts them at 32° and 212°, so one Celsius degree equals 1.8 Fahrenheit degrees. Kelvin uses Celsius-sized degrees but starts at absolute zero (−273.15 °C) and is written without a degree sign. Because the scales have different zero points, a temperature conversion adds or subtracts an offset as well as scaling.

FAQ

› How do I convert °C to °F?

1 °C = 33.8 °F. To convert, use the formula °F = °C × 9/5 + 32: 30 °C = 86 °F.

› What is 1 °F in °C?

1 °F = -17.22222222 °C. The reverse formula is °C = (°F − 32) × 5/9.

› At what temperature are Celsius and Fahrenheit equal?

At −40°: −40 °C is exactly −40 °F.

› What is normal body temperature?

About 37 °C, which is 98.6 °F or 310.15 K. Normal readings vary by about half a degree Celsius.