Free Celsius to Fahrenheit Converter
Convert Celsius to Fahrenheit and back as you type, using °F = °C × 9/5 + 32.
Kelvin is included, and a table shows common temperatures.
- Runs locally
- Enter °C
- Read °F
- Switch to Kelvin
- Free
- No sign-up
- Runs in your browser
- No watermark
25 °C = 77 °F
| °C | °F |
|---|---|
| 1 | 33.8 |
| 2 | 35.6 |
| 5 | 41 |
| 10 | 50 |
| 20 | 68 |
| 50 | 122 |
| 100 | 212 |
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Use cases
Where it helps
Quick answers
Open the page and get a result without installing an app.
Any computer
It works in a current browser on Windows, macOS, Linux or ChromeOS.
Nothing to clean up
Close the tab when you are done. PoYo keeps no copy.
Three steps
How to use Free Celsius to Fahrenheit Converter
Enter °C
Negative values work too.
Read °F
°F = °C × 9/5 + 32.
Switch to Kelvin
Pick K from the unit list.
Features
What this tool includes
Runs locally
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Enter °C
Negative values work too.
Read °F
°F = °C × 9/5 + 32.
Switch to Kelvin
Pick K from the unit list.
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Free Celsius to Fahrenheit Converter FAQ
Do I need an account?
No. Open the page and use it.
Is what I enter sent anywhere?
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Does it cost anything?
No. It is free and does not use PoYo credits.
Can I use it on my phone?
Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.
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Convert Celsius to Fahrenheit and back as you type, using °F = °C × 9/5 + 32. Kelvin is included, and a table shows common temperatures.