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Celsius to Fahrenheit Converter

Convert degrees Celsius (°C) to degrees Fahrenheit (°F), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter a temperature, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

About valueA number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
About toThe unit you want the answer in. Swap exchanges the two units.
Result
Result
33.8 °F
kelvins
274.15 K
degrees Rankine
493.47 °R
degrees Delisle
148.5 °De
degrees Newton
0.33 °N

1 °C = 33.8 °F

Show the working
  1. 1 °C = 274.15 K
  2. 274.15 K = 33.8 °F

How to convert celsius to fahrenheit

These scales have different zero points as well as different degree sizes, so the conversion adds or subtracts an offset as well as multiplying.

Worked example:

100 °C = 373.15 K
373.15 K = 212 °F

Celsius to fahrenheit table

CelsiusFahrenheit
-40 °C-40 °F
-20 °C-4 °F
-10 °C14 °F
0 °C32 °F
1 °C33.8 °F
2 °C35.6 °F
3 °C37.4 °F
4 °C39.2 °F
5 °C41 °F
6 °C42.8 °F
7 °C44.6 °F
8 °C46.4 °F
9 °C48.2 °F
10 °C50 °F
11 °C51.8 °F
12 °C53.6 °F
13 °C55.4 °F
14 °C57.2 °F
15 °C59 °F
16 °C60.8 °F
17 °C62.6 °F
18 °C64.4 °F
19 °C66.2 °F
20 °C68 °F
21 °C69.8 °F
22 °C71.6 °F
23 °C73.4 °F
24 °C75.2 °F
25 °C77 °F
26 °C78.8 °F
27 °C80.6 °F
28 °C82.4 °F
29 °C84.2 °F
30 °C86 °F
31 °C87.8 °F
32 °C89.6 °F
33 °C91.4 °F
34 °C93.2 °F
35 °C95 °F
36 °C96.8 °F
37 °C98.6 °F
38 °C100.4 °F
38.7 °C101.66 °F
39 °C102.2 °F
39.5 °C103.1 °F
40 °C104 °F
41 °C105.8 °F
42 °C107.6 °F
43 °C109.4 °F
44 °C111.2 °F
45 °C113 °F
50 °C122 °F
60 °C140 °F
70 °C158 °F
80 °C176 °F
90 °C194 °F
100 °C212 °F
150 °C302 °F
200 °C392 °F
230 °C446 °F
250 °C482 °F
300 °C572 °F

About the units

Celsius (°C)
Degrees Celsius, a metric unit. Definition: BIPM SI Brochure (t/°C = T/K − 273.15).
Fahrenheit (°F)
Degrees Fahrenheit, a US customary unit. Definition: NIST SP 811 Appendix B.8 (T/K = (t/°F + 459.67)/1.8).

Formula version 0.1.0Reviewed