Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly. Fast, accurate, and free.
Temperature Conversion Formulas
- Celsius to Fahrenheit: (°C × 9/5) + 32 = °F
- Fahrenheit to Celsius: (°F − 32) × 5/9 = °C
- Celsius to Kelvin: °C + 273.15 = K
- Kelvin to Celsius: K − 273.15 = °C
Common Temperature Conversions
| Celsius | Fahrenheit | Kelvin |
|---|---|---|
| 0°C | 32°F | 273.15K |
| 100°C | 212°F | 373.15K |
| 37°C | 98.6°F | 310.15K |
Features
🌡️ 3 Temperature Scales
Convert between Celsius, Fahrenheit, and Kelvin instantly.
⚡ Real-time Conversion
Results update automatically as you type. No button clicking needed.
🎯 Accurate Results
Precise calculations using standard temperature conversion formulas.
💯 100% Free
Unlimited conversions, no registration, completely free to use.
🔒 Privacy First
All conversions happen in your browser. No data sent to servers.
📱 Works Offline
Once loaded, works without internet connection.
Frequently Asked Questions
What is the formula for Celsius to Fahrenheit?
The formula is: °F = (°C × 9/5) + 32. For example, 25°C = (25 × 9/5) + 32 = 77°F.
Why does Kelvin not use degrees?
Kelvin is an absolute temperature scale starting at absolute zero. It's written as "K" not "°K" because it's a fundamental unit, not a degree.
What temperature is the same in Celsius and Fahrenheit?
-40°C equals -40°F. This is the only temperature where both scales intersect.
Is this tool accurate for scientific use?
Yes! Our converter uses standard scientific formulas and provides accurate results suitable for most scientific and everyday applications.