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Temperature Converter
Convert temperature between Celsius, Fahrenheit, Kelvin, and Rankine. Instant temperature unit converter with formulas.
°C
Celsius
100 °C
Fahrenheit
212 °F
Kelvin
373.15 K
°F = (°C × 9/5) + 32 | K = °C + 273.15
Boiling: 100°C = 212°F = 373.15K | Freezing: 0°C = 32°F = 273.15K
How to Use the Temperature Converter
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia, Europe. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
How do you convert Celsius to Fahrenheit?
°F = (°C × 9/5) + 32. So 100°C = 212°F (boiling point of water). 0°C = 32°F (freezing point).