Celsius to Fahrenheit Converter (°C to °F)

Type a value in degrees Celsius to see it in degrees Fahrenheit instantly.

25 °C = 77 °F

Formula: °F = °C × 9/5 + 32

25 °C = 77 °F

Open in the full converter to compare with other temperature units.

How to convert degrees Celsius to degrees Fahrenheit

Multiply by 1.8, then add 32.

°F = °C × 9/5 + 32

Example: 25 °C × 9/5 + 32 = 45 + 32 = 77 °F

A rough mental shortcut is "double it and add 30": 20 °C → 70 °F (exact: 68 °F). It drifts at the extremes, so use the exact formula for cooking and medicine.

−40 is the one temperature where both scales agree: −40 °C = −40 °F.

°C to °F conversion table

Celsius (°C)Fahrenheit (°F)
−40 °C−40 °F
−30 °C−22 °F
−20 °C−4 °F
−10 °C14 °F
−5 °C23 °F
0 °C32 °F
5 °C41 °F
10 °C50 °F
15 °C59 °F
18 °C64.4 °F
20 °C68 °F
21 °C69.8 °F
22 °C71.6 °F
25 °C77 °F
30 °C86 °F
35 °C95 °F
36.6 °C97.88 °F
37 °C98.6 °F
38 °C100.4 °F
40 °C104 °F
50 °C122 °F
60 °C140 °F
100 °C212 °F
160 °C320 °F
180 °C356 °F
200 °C392 °F
220 °C428 °F
250 °C482 °F

About the units

Degree Celsius (°C)

The Celsius scale puts the freezing point of water at 0 °C and the boiling point at 100 °C at standard pressure. One Celsius degree is the same size as one kelvin.

Degree Fahrenheit (°F)

On the Fahrenheit scale water freezes at 32 °F and boils at 212 °F, so one Fahrenheit degree is 5/9 of a Celsius degree. It is used for weather and cooking in the United States.

Frequently asked questions

How do I convert degrees Celsius to degrees Fahrenheit?

Use the formula °F = °C × 9/5 + 32. Multiply by 1.8, then add 32. For example, 25 °C × 9/5 + 32 = 45 + 32 = 77 °F.

What is 37 °C in Fahrenheit?

37 °C is 98.6 °F, the traditional value for normal human body temperature.

At what temperature are Celsius and Fahrenheit equal?

At −40 degrees. −40 °C is exactly −40 °F.

Related conversions

Background reading: Temperature Scales.