What is the Celsius to Fahrenheit?
Weather in Pakistan is reported in Celsius, but many thermometers, medical leaflets and American recipes use Fahrenheit. This converter goes both ways and also shows Kelvin, the scientific unit.
Fever is usually defined as 38 °C (100.4 °F) or higher. Oven temperatures in recipes are often 180 °C, which is 356 °F. For other units use the Unit Converter.
How to use the Celsius to Fahrenheit
- Type the value in °C into the box.
- Read the answer in °F instantly; extra units are shown below it.
- Click °F → °C to convert the other way.
- Use the conversion table for common values.
Formula
°F = °C × 9/5 + 32 · °C = (°F − 32) × 5/9 · K = °C + 273.15
Example
37 °C × 9/5 + 32 = 98.6 °F. A hot Lahore day of 45 °C is 113 °F.
°C to °F conversion chart
| Celsius | Fahrenheit |
|---|---|
| −40 °C | −40 °F |
| 0 °C | 32 °F (water freezes) |
| 20 °C | 68 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F (body) |
| 38 °C | 100.4 °F (fever) |
| 45 °C | 113 °F |
| 100 °C | 212 °F (water boils) |
| 180 °C | 356 °F (oven) |
When do you need to convert °C to °F?
- Reading a digital thermometer set to Fahrenheit.
- Following American recipes and oven settings.
- Understanding weather reports from the USA.
- Science and physics homework that mixes temperature scales.
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Frequently asked questions
How do I convert Celsius to Fahrenheit?
Multiply by 9, divide by 5 and add 32. 25 °C → 77 °F.
How do I convert Fahrenheit to Celsius?
Subtract 32, multiply by 5 and divide by 9. 100 °F → 37.8 °C.
What is normal body temperature in Fahrenheit?
About 98.6 °F (37 °C), although 97–99 °F is normal for most people.
At what temperature are Celsius and Fahrenheit equal?
At −40 degrees.
What is 0 Kelvin?
Absolute zero, −273.15 °C or −459.67 °F.
Is the Celsius to Fahrenheit free to use?
Yes. The Celsius to Fahrenheit on Custom Converter is completely free, with no sign-up, no daily limit and no watermark.
Does the Celsius to Fahrenheit work on mobile phones?
Yes. It is built mobile-first and works on Android phones, iPhones, tablets and computers in any modern browser, with no app to install.