Celsius to Fahrenheit Converter
Quickly convert any temperature from Celsius to Fahrenheit using the exact formula °F = °C × 9/5 + 32. This converter also displays the equivalent in Kelvin and Rankine for scientific applications.
The Celsius and Fahrenheit scales are the two most widely used temperature systems in the world. Celsius is the standard in most countries and in science, while Fahrenheit is primarily used in the United States. The conversion formula is: °F = °C × 9/5 + 32. The 9/5 factor accounts for the different degree sizes, and the +32 offset accounts for the different zero points.
Common Celsius to Fahrenheit Conversions:
| Celsius | Fahrenheit | Description |
|---|---|---|
| -40°C | -40°F | Scales intersect |
| -18°C | 0°F | Fahrenheit zero |
| 0°C | 32°F | Water freezes |
| 20°C | 68°F | Room temperature |
| 37°C | 98.6°F | Body temperature |
| 100°C | 212°F | Water boils |
| 180°C | 356°F | Baking temperature |
Quick Mental Math Shortcut: Double the Celsius value and add 30. This gives a rough estimate (e.g., 25°C ≈ 80°F, actual is 77°F). For exact results, always use the 9/5 + 32 formula or this converter.