Temperature Converter
Convert a temperature between Celsius, Fahrenheit and Kelvin. Enter one value and see the other two scales. Calculated on your device.
- Runs entirely in your browser
- No sign-up, no watermark
- Free and unlimited
🔒 Your file stays on your device
How to use Temperature Converter
- 1
Open Temperature Converter and fill in the fields.
- 2
Pick any options that apply.
- 3
Read the result straight away — it recalculates as you type.
What you get
- Celsius, Fahrenheit and Kelvin
- Enter one, see the other two
- Handles negative values
What happens to your files
This tool runs entirely in your browser. The file you choose is read into memory, processed on your device, and offered back as a download. Nothing is uploaded and nothing is kept once you leave the page.
There is no account, no email, no watermark and no daily limit. Come back whenever you need it.
Frequently asked questions
- What formula does it use?
- °F = °C × 9/5 + 32, and K = °C + 273.15. The input is converted to Celsius first, then out to the other scales.