Temperature Converter
Convert temperature values between Celsius, Fahrenheit, and Kelvin.
Processed in your browserA simpler way to use the temperature converter
Convert Celsius, Fahrenheit, and Kelvin using their linear relationships. Inputs below absolute zero are rejected. Small floating-point differences are rounded for display.
How it works
- Enter a temperature.
- Select its scale and the destination scale.
- Convert or swap the scales.
Your data stays with you.
Your file and form inputs don’t leave your device. This tool works locally in your browser. We only save recently opened tool names and optional feedback on this device.
What does Temperature Converter do?
Convert temperature values between Celsius, Fahrenheit, and Kelvin.
- Cost and account
- Free to use. No account required.
- Processing
- In this browser
- Device requirements
- Desktop, tablet or phone with a supported modern browser; file and memory limits still apply.
Example
Input: 0 degrees Celsius to Fahrenheit.
Result: 32 degrees Fahrenheit.
Frequently asked questions
Can I enter a negative temperature?
Yes for Celsius and Fahrenheit, as long as it is at or above absolute zero: −273.15 °C or −459.67 °F. Kelvin must be nonnegative.
Do I need an account?
No account or payment is required. File processing depends on browser capabilities and device memory; any tool-specific limits appear beside the inputs.