Celsius to Fahrenheit Converter
Convert a temperature between °C, °F, and K.
Inputs
Celsius (°C)
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Frequently asked questions
- How do you convert Celsius to Fahrenheit?
- °F = (°C × 9/5) + 32. Example: 25°C → 77°F.
- How do you convert Fahrenheit to Celsius?
- °C = (°F − 32) × 5/9. Example: 68°F → 20°C.
- What is the Kelvin relationship?
- K = °C + 273.15. Absolute zero is 0 K (−273.15°C).
- Which scale does science prefer?
- Kelvin for absolute temperature; Celsius for everyday lab notes; Fahrenheit is still common in the US.