Metric & Imperial Temperature Conversions
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin instantly with our free online temperature converter. No signup required.
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Temperature Conversion Guide
Temperature conversion is essential for science, cooking, weather forecasting, and travel. Whether you need to convert Celsius to Fahrenheit for a recipe or Kelvin for a science experiment, our converter provides instant, accurate results.
Celsius to Fahrenheit Formula
°F = (°C × 9/5) + 32
Example: 25°C = (25 × 1.8) + 32 = 77°F (comfortable room temperature)
Fahrenheit to Celsius Formula
°C = (°F - 32) × 5/9
Example: 77°F = (77 - 32) × 0.556 = 25°C
Kelvin Conversion
K = °C + 273.15
Kelvin is the SI unit of temperature used in science and engineering. Absolute zero is 0 K (−273.15°C).
Common Temperature Conversions
| Celsius | Fahrenheit | Description |
|---|---|---|
| 0°C | 32°F | Freezing point of water |
| 10°C | 50°F | Cold day |
| 20°C | 68°F | Comfortable room temperature |
| 25°C | 77°F | Warm room |
| 37°C | 98.6°F | Normal human body temperature |
| 100°C | 212°F | Boiling point of water |
Why Temperature Conversions Matter
- Cooking & Baking: Recipes use different temperature units depending on origin (US recipes use Fahrenheit, European recipes use Celsius)
- Weather: Understanding temperature in both scales helps when traveling or consuming international weather reports
- Science: Scientific calculations often require Kelvin (absolute temperature scale)
- Medicine: Body temperature is measured in Celsius in most countries, Fahrenheit in the US
- Industrial Applications: Engineering and manufacturing require precise temperature conversions